[Ext.Net]GridPanel之存储过程分页Sql版本
1.分页存储过程
ALTER procedure [dbo].[AspNetPage]
@tblName varchar(1000), -- 表名
@SelectFieldName varchar(4000), -- 要显示的字段名(不要加select)
@strWhere varchar(4000), -- 查询条件(注意: 不要加 where)
@OrderFieldName varchar(255), -- 排序索引字段名
@PageSize int , -- 页大小
@PageIndex int = 1, -- 页码
@iRowCount int output, -- 返回记录总数
@OrderType bit = 0 -- 设置排序类型, 非 0 值则降序
AS
declare @strSQL varchar(4000) -- 主语句
declare @strTmp varchar(4000) -- 临时变量
declare @strOrder varchar(400) -- 排序类型
declare @strRowCount nvarchar(4000) -- 用于查询记录总数的语句
set @OrderFieldName=ltrim(rtrim(@OrderFieldName))
if @OrderType != 0
begin
set @strTmp = '<(select min'
set @strOrder = ' order by ' + @OrderFieldName +' desc'
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by ' + @OrderFieldName +' asc'
end
set @strSQL = 'select top ' + str(@PageSize) + @SelectFieldName+' from '
+ @tblName + ' where ' + @OrderFieldName + @strTmp + '('
+ right(@OrderFieldName,len(@OrderFieldName)-charindex('.',@OrderFieldName)) + ') from (select top ' + str((@PageIndex-1)*@PageSize)
+ @OrderFieldName + ' from ' + @tblName + @strOrder + ') as tblTmp)'
+ @strOrder
if @strWhere != ''
set @strSQL = 'select top ' + str(@PageSize) + @SelectFieldName+' from '
+ @tblName + ' where ' + @OrderFieldName + @strTmp + '('
+ right(@OrderFieldName,len(@OrderFieldName)-charindex('.',@OrderFieldName)) + ') from (select top ' + str((@PageIndex-1)*@PageSize)
+ @OrderFieldName + ' from ' + @tblName + ' where ' + @strWhere + ' '
+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder
if @PageIndex = 1
begin
set @strTmp = ''
if @strWhere != ''
set @strTmp = ' where ' + @strWhere
set @strSQL = 'select top ' + str(@PageSize) + @SelectFieldName+' from '
+ @tblName + @strTmp + ' ' + @strOrder
end
exec(@strSQL)
if @strWhere!=''
begin
set @strRowCount = 'select @iRowCount=count(*) from ' + @tblName+' where '+@strWhere
end
else
begin
set @strRowCount = 'select @iRowCount=count(*) from ' + @tblName
end
exec sp_executesql @strRowCount,N'@iRowCount int out',@iRowCount out
2.Store
<ext:Store ID="StoreFQC" runat="server" OnRefreshData="StoreFQC_RefreshData">
<Reader>
<ext:JsonReader>
<Fields>
<ext:RecordField Name="异常编号" Type="String" />
<ext:RecordField Name="入库日期" Type="String" />
<ext:RecordField Name="检验日期" Type="String" />
<ext:RecordField Name="时效" Type="String" />
<ext:RecordField Name="供应商编码" Type="String" />
<ext:RecordField Name="供应商简称" Type="String" />
<ext:RecordField Name="类别" Type="String" />
<ext:RecordField Name="批号" Type="String" />
<ext:RecordField Name="品号" Type="String" />
<ext:RecordField Name="规格" Type="String" />
<ext:RecordField Name="数量" Type="Float" />
<ext:RecordField Name="抽检数" Type="Float" />
<ext:RecordField Name="合格数" Type="Float" />
<ext:RecordField Name="不合格数" Type="Float" />
<ext:RecordField Name="不良率" Type="Float" />
<ext:RecordField Name="装配不良" Type="Float" />
<ext:RecordField Name="颜色不良" Type="Float" />
<ext:RecordField Name="电性能不良" Type="Float" />
<ext:RecordField Name="可靠性不良" Type="Float" />
<ext:RecordField Name="点线缺陷" Type="Float" />
<ext:RecordField Name="损伤缺陷" Type="Float" />
<ext:RecordField Name="包装标识不良" Type="Float" />
<ext:RecordField Name="变形" Type="Float" />
<ext:RecordField Name="尺寸不良" Type="Float" />
<ext:RecordField Name="其他外观不良" Type="Float" />
<ext:RecordField Name="不良现象描述" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
<Proxy>
<ext:PageProxy>
</ext:PageProxy>
</Proxy>
</ext:Store>
3.CS
/// <summary>
/// 数据源刷新
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void StoreFQC_RefreshData(object sender, StoreRefreshDataEventArgs e)
{
DateTime startdate;
DateTime enddate;
startdate = Convert.ToDateTime(this.dfstartdate.Text.Trim());
enddate = Convert.ToDateTime(this.dfenddate.Text.Trim());
int PageSize = this.PagingToolBar2.PageSize; //获取当前在页面中PagingToolBar 的PageSize的值
int Count = 0;
int CurPage = e.Start / PageSize + 1; //获取当前的页码是多少，也就是第几页
string strWhere = "";
strWhere += " 检验日期 >='" + string.Format("{0:yyyyMMdd}", startdate) + "'";
strWhere += " and 检验日期 <='" + string.Format("{0:yyyyMMdd}", enddate) + "'";
if (this.txtClient.Text.Trim() != "")
{
strWhere += " and 供应商编码 like '%" + this.txtClient.Text.Trim() + "%' ";
}
if (this.txtDocumentNo.Text.Trim() != "")
{
strWhere += " and 异常编号 like '%" + this.txtDocumentNo.Text.Trim() + "%' ";
}
if (this.txtbathno.Text.Trim() != "")
{
strWhere += " and 批号 like '%" + this.txtbathno.Text.Trim() + "%' ";
}
if (this.txtItemSpec.Text.Trim() != "")
{
strWhere += " and 规格 like '%" + this.txtItemSpec.Text.Trim() + "%' ";
}
if (this.txtItem.Text.Trim() != "")
{
strWhere += " and 品号 like '%" + this.txtItem.Text.Trim() + "%' ";
}
if (this.txtms.Text.Trim() != "")
{
strWhere += " and 不良现象描述 like '%" + this.txtms.Text.Trim() + "%' ";
}
var store = this.GPFQC.GetStore();
string filed = "入库日期,检验日期,时效,供应商编码,供应商简称,类别,检验方式,批号,品号,规格,数量,抽检数,合格数,不合格数,装配不良,颜色不良,电性能不良,可靠性不良,点线缺陷,损伤缺陷,包装标识不良,变形,尺寸不良,其他外观不良,不良现象描述,异常编号 ";
DataTable dt = GetPageList("GetIQCRecord", filed, strWhere, PageSize, CurPage, out Count); //连接数据库
e.Total = Count;
this.PagingToolBar2.DisplayMsg = "当前第" + CurPage + "页" + PageSize + "/页 共 " + e.Total + " 条";
if (Count > 0)
{
StoreFQC.DataSource = dt;//绑定数据
StoreFQC.DataBind();
}
else
{
X.Msg.Alert("查询结果", "<font style='color:red;'>没有找到任何数据!</font>").Show();
}
}
/// <summary>
/// 取得分页数据
/// </summary>
/// <param name="TableName">表名称</param>
/// <param name="ReturnFields">要显示的字段名</param>
/// <param name="strwhere">查询条件</param>
/// <param name="PageSize">每页显示数据条数</param>
/// <param name="CurPage">当前第几页，页码</param>
/// <param name="RowCount">返回的总页数</param>
/// <returns></returns>
public DataTable GetPageList(string TableName, string ReturnFields, string strwhere, int PageSize, int CurPage, out int RowCount)
{
SqlCommand cmd = new SqlCommand("AspNetPage");//存储过程名称
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@tblName", TableName); //表名称
cmd.Parameters.AddWithValue("@OrderFieldName", "入库日期");//排序索引字段名
cmd.Parameters.AddWithValue("@PageIndex", CurPage);//当前第几页，页码
cmd.Parameters.AddWithValue("@PageSize", PageSize);//每页显示数据条数
cmd.Parameters.AddWithValue("@SelectFieldName", ReturnFields);//要显示的字段名(不要加select)
cmd.Parameters.AddWithValue("@OrderType", 1);//设置排序类型, 非 0 值则降序
cmd.Parameters.AddWithValue("@strWhere", strwhere);//查询条件(注意: 不要加 where)
cmd.Parameters.Add(new SqlParameter("@iRowCount", SqlDbType.Int));
cmd.Parameters["@iRowCount"].Direction = ParameterDirection.Output;
DataTable dt = RunProcedureCmd(cmd);
RowCount = Convert.ToInt32(cmd.Parameters["@iRowCount"].Value.ToString()); //返回的总页数
return dt;
}
/// <summary>
/// 执行存储过程，返回DataTable
/// </summary>
/// <param name="cmd">存储过程名称</param>
/// <returns></returns>
public DataTable RunProcedureCmd(SqlCommand cmd)
{
DataTable result = new DataTable();
DBCon db = new DBCon("ZE");
SqlConnection conn = new SqlConnection(db.StringConnection());//你自己的链接字符串
try
{
if ((conn.State == ConnectionState.Closed))
{
conn.Open();
}
cmd.Connection = conn;
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(result);
da.Dispose();
conn.Close();
conn.Dispose();
return result;
}
catch (Exception ex)
{
conn.Close();
conn.Dispose();
throw ex;
}
}
效果：
已解决问题：存储过程只支持一个数据表，若涉及到多个表，可以先做成视图
待解决问题：
第19页有数据，第20 21页是空白
总共记录418条/20 =20.9
咋回事情呢？
