添加删除、更新按钮的提示确认信息，以及DATAGRID的添加、插入、更新、删除操作。

using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Web;
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using System.Web.SessionState;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.HtmlControls;
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namespace DataGridDemoCS
13

{
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///
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/// MSDNDemo1 的摘要说明。
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///
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public class MSDNDemo1 : System.Web.UI.Page
18

{
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protected System.Web.UI.WebControls.DataGrid DataGrid1;
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protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
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protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
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protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;
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protected System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
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protected System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
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protected DataGridDemoCS.dsCustomers dsCustomers1;
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protected System.Data.SqlClient.SqlConnection sqlConnection1;
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private void Page_Load(object sender, System.EventArgs e)
29

{
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// 在此处放置用户代码以初始化页面
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if (!Page.IsPostBack)
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{
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bindData();
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}
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}
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void bindData()
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{
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sqlDataAdapter1.Fill(dsCustomers1);
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DataGrid1.DataBind();
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}
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#region Web 窗体设计器生成的代码
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override protected void OnInit(EventArgs e)
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{
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//
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// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
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//
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InitializeComponent();
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base.OnInit(e);
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}
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///
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/// 设计器支持所需的方法 - 不要使用代码编辑器修改
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/// 此方法的内容。
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///
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private void InitializeComponent()
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{
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this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
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this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
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this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
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this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
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this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
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this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
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this.dsCustomers1 = new DataGridDemoCS.dsCustomers();
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((System.ComponentModel.ISupportInitialize)(this.dsCustomers1)).BeginInit();
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this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
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this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
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this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
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this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
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this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
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//
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// sqlDataAdapter1
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//
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this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
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this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
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this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
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this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
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new System.Data.Common.DataTableMapping("Table", "Customers", new System.Data.Common.DataColumnMapping[] {
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new System.Data.Common.DataColumnMapping("CustomerID", "CustomerID"),
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new System.Data.Common.DataColumnMapping("CompanyName", "CompanyName"),
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new System.Data.Common.DataColumnMapping("ContactName", "ContactName"),
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new System.Data.Common.DataColumnMapping("ContactTitle", "ContactTitle"),
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new System.Data.Common.DataColumnMapping("Address", "Address"),
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new System.Data.Common.DataColumnMapping("City", "City"),
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new System.Data.Common.DataColumnMapping("Region", "Region"),
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new System.Data.Common.DataColumnMapping("PostalCode", "PostalCode"),
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new System.Data.Common.DataColumnMapping("Country", "Country"),
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new System.Data.Common.DataColumnMapping("Phone", "Phone"),
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new System.Data.Common.DataColumnMapping("Fax", "Fax")})});
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this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
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//
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// sqlDeleteCommand1
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//
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this.sqlDeleteCommand1.CommandText = @"DELETE FROM Customers WHERE (CustomerID = @Original_CustomerID) AND (Address = @Original_Address OR @Original_Address IS NULL AND Address IS NULL) AND (City = @Original_City OR @Original_City IS NULL AND City IS NULL) AND (CompanyName = @Original_CompanyName) AND (ContactName = @Original_ContactName OR @Original_ContactName IS NULL AND ContactName IS NULL) AND (ContactTitle = @Original_ContactTitle OR @Original_ContactTitle IS NULL AND ContactTitle IS NULL) AND (Country = @Original_Country OR @Original_Country IS NULL AND Country IS NULL) AND (Fax = @Original_Fax OR @Original_Fax IS NULL AND Fax IS NULL) AND (Phone = @Original_Phone OR @Original_Phone IS NULL AND Phone IS NULL) AND (PostalCode = @Original_PostalCode OR @Original_PostalCode IS NULL AND PostalCode IS NULL) AND (Region = @Original_Region OR @Original_Region IS NULL AND Region IS NULL)";
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this.sqlDeleteCommand1.Connection = this.sqlConnection1;
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CustomerID", System.Data.SqlDbType.NVarChar, 5, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CustomerID", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Address", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "City", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CompanyName", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactName", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactTitle", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Country", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Fax", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Phone", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "PostalCode", System.Data.DataRowVersion.Original, null));
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this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Region", System.Data.DataRowVersion.Original, null));
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//
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// sqlConnection1
112

//
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this.sqlConnection1.ConnectionString = "workstation id=\"FANCY-FAMILY\";packet size=4096;user id=sa;data source=\"FANCY-FAMI" +
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"LY\";persist security info=False;initial catalog=Northwind";
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//
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// sqlInsertCommand1
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//
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this.sqlInsertCommand1.CommandText = @"INSERT INTO Customers(CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax) VALUES (@CustomerID, @CompanyName, @ContactName, @ContactTitle, @Address, @City, @Region, @PostalCode, @Country, @Phone, @Fax); SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)";
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this.sqlInsertCommand1.Connection = this.sqlConnection1;
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NVarChar, 5, "CustomerID"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, "CompanyName"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, "ContactName"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, "ContactTitle"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, "Address"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, "City"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, "Region"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, "PostalCode"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, "Country"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, "Phone"));
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this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, "Fax"));
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//
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// sqlSelectCommand1
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//
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this.sqlSelectCommand1.CommandText = "SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region," +
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" PostalCode, Country, Phone, Fax FROM Customers";
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this.sqlSelectCommand1.Connection = this.sqlConnection1;
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//
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// sqlUpdateCommand1
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//
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this.sqlUpdateCommand1.CommandText = @"UPDATE Customers SET CustomerID = @CustomerID, CompanyName = @CompanyName, ContactName = @ContactName, ContactTitle = @ContactTitle, Address = @Address, City = @City, Region = @Region, PostalCode = @PostalCode, Country = @Country, Phone = @Phone, Fax = @Fax WHERE (CustomerID = @Original_CustomerID) AND (Address = @Original_Address OR @Original_Address IS NULL AND Address IS NULL) AND (City = @Original_City OR @Original_City IS NULL AND City IS NULL) AND (CompanyName = @Original_CompanyName) AND (ContactName = @Original_ContactName OR @Original_ContactName IS NULL AND ContactName IS NULL) AND (ContactTitle = @Original_ContactTitle OR @Original_ContactTitle IS NULL AND ContactTitle IS NULL) AND (Country = @Original_Country OR @Original_Country IS NULL AND Country IS NULL) AND (Fax = @Original_Fax OR @Original_Fax IS NULL AND Fax IS NULL) AND (Phone = @Original_Phone OR @Original_Phone IS NULL AND Phone IS NULL) AND (PostalCode = @Original_PostalCode OR @Original_PostalCode IS NULL AND PostalCode IS NULL) AND (Region = @Original_Region OR @Original_Region IS NULL AND Region IS NULL); SELECT CustomerID, CompanyName, ContactName, ContactTitle, Address, City, Region, PostalCode, Country, Phone, Fax FROM Customers WHERE (CustomerID = @CustomerID)";
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this.sqlUpdateCommand1.Connection = this.sqlConnection1;
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CustomerID", System.Data.SqlDbType.NVarChar, 5, "CustomerID"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@CompanyName", System.Data.SqlDbType.NVarChar, 40, "CompanyName"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactName", System.Data.SqlDbType.NVarChar, 30, "ContactName"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@ContactTitle", System.Data.SqlDbType.NVarChar, 30, "ContactTitle"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Address", System.Data.SqlDbType.NVarChar, 60, "Address"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@City", System.Data.SqlDbType.NVarChar, 15, "City"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Region", System.Data.SqlDbType.NVarChar, 15, "Region"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@PostalCode", System.Data.SqlDbType.NVarChar, 10, "PostalCode"));
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this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Country", System.Data.SqlDbType.NVarChar, 15, "Country"));
151

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Phone", System.Data.SqlDbType.NVarChar, 24, "Phone"));
152

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Fax", System.Data.SqlDbType.NVarChar, 24, "Fax"));
153

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CustomerID", System.Data.SqlDbType.NVarChar, 5, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CustomerID", System.Data.DataRowVersion.Original, null));
154

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Address", System.Data.SqlDbType.NVarChar, 60, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Address", System.Data.DataRowVersion.Original, null));
155

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_City", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "City", System.Data.DataRowVersion.Original, null));
156

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_CompanyName", System.Data.SqlDbType.NVarChar, 40, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "CompanyName", System.Data.DataRowVersion.Original, null));
157

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactName", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactName", System.Data.DataRowVersion.Original, null));
158

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_ContactTitle", System.Data.SqlDbType.NVarChar, 30, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "ContactTitle", System.Data.DataRowVersion.Original, null));
159

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Country", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Country", System.Data.DataRowVersion.Original, null));
160

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Fax", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Fax", System.Data.DataRowVersion.Original, null));
161

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Phone", System.Data.SqlDbType.NVarChar, 24, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Phone", System.Data.DataRowVersion.Original, null));
162

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_PostalCode", System.Data.SqlDbType.NVarChar, 10, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "PostalCode", System.Data.DataRowVersion.Original, null));
163

this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Region", System.Data.SqlDbType.NVarChar, 15, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Region", System.Data.DataRowVersion.Original, null));
164

//
165

// dsCustomers1
166

//
167

this.dsCustomers1.DataSetName = "dsCustomers";
168

this.dsCustomers1.Locale = new System.Globalization.CultureInfo("zh-CN");
169

this.Load += new System.EventHandler(this.Page_Load);
170

((System.ComponentModel.ISupportInitialize)(this.dsCustomers1)).EndInit();
171

172

}
173

#endregion
174

175

private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
176

{
177

DataGrid1.EditItemIndex=e.Item.ItemIndex;
178

bindData();
179

}
180

181

private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
182

{
183

string CustomerID=e.Item.Cells[1].Text;
184

string CompanyName=((TextBox)e.Item.Cells[2].Controls[0]).Text;
185

string ContactName=((TextBox)e.Item.Cells[3].Controls[0]).Text;
186

string ContactTitle=((TextBox)e.Item.Cells[4].Controls[0]).Text;
187

string Address=((TextBox)e.Item.Cells[5].Controls[0]).Text;
188

string City=((TextBox)e.Item.Cells[6].Controls[0]).Text;
189

string Region=((TextBox)e.Item.Cells[7].Controls[0]).Text;
190

string Country=((TextBox)e.Item.Cells[8].Controls[0]).Text;
191

sqlDataAdapter1.Fill(dsCustomers1);
192

dsCustomers.CustomersRow dr=dsCustomers1.Customers.FindByCustomerID(CustomerID);
193

dr.CompanyName=CompanyName;
194

dr.ContactName=ContactName;
195

dr.ContactTitle=ContactTitle;
196

dr.Address=Address;
197

dr.Region=Region;
198

dr.Country=Country;
199

sqlDataAdapter1.Update(dsCustomers1);
200

dsCustomers1.AcceptChanges();
201

DataGrid1.EditItemIndex=-1;
202

bindData();
203

}
204

205

private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
206

{
207

string CustomerID=e.Item.Cells[1].Text;
208

sqlDataAdapter1.Fill(dsCustomers1);
209

dsCustomers.CustomersRow dr=dsCustomers1.Customers.FindByCustomerID(CustomerID);
210

dr.Delete();
211

sqlDataAdapter1.Update(dsCustomers1);
212

dsCustomers1.AcceptChanges();
213

bindData();
214

}
215

216

private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
217

{
218

DataGrid1.EditItemIndex=-1;
219

bindData();
220

}
221

222

private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
223

{
224

if (e.Item.ItemType==ListItemType.Item || e.Item.ItemType==ListItemType.AlternatingItem)
225

{
226

LinkButton l=(LinkButton)e.Item.Cells[11].Controls[0];
227

DataRowView drv=(DataRowView)e.Item.DataItem;
228

l.Attributes.Add("onclick","javascript:return confirm('你确认要删除"+drv.Row.ItemArray[0]+"?');");
229

Label label=(Label)e.Item.FindControl("LblID");
230

label.Text=Convert.ToString(e.Item.ItemIndex+1);
231

}
232

}
233

234

235

}
236

}
237

posted on 2005-06-26 16:24 ByNow 阅读(705) 评论(0) 编辑收藏举报

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