读取SQLServer数据库存储过程列表及参数信息
得到数据库存储过程列表:
select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsProcedure') = 1 order by name
得到某个存储过程的参数信息:(SQL方法)
select * from syscolumns where ID in
(SELECT id FROM sysobjects as a
WHERE OBJECTPROPERTY(id, N'IsProcedure') = 1
and id = object_id(N'[dbo].[mystoredprocedurename]'))
得到某个存储过程的参数信息:(Ado.net方法)
SqlCommandBuilder.DeriveParameters(mysqlcommand);
得到数据库所有表:
select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsUserTable') = 1 order by name
得到某个表中的字段信息:
select c.name as ColumnName, c.colorder as ColumnOrder, c.xtype as DataType, typ.name as DataTypeName, c.Length, c.isnullable from dbo.syscolumns c inner join dbo.sysobjects t
on c.id = t.id
inner join dbo.systypes typ on typ.xtype = c.xtype
where OBJECTPROPERTY(t.id, N'IsUserTable') = 1
and t.name='mytable' order by c.colorder;
C# Ado.net代码示例:
1. 得到数据库存储过程列表:
using System.Data.SqlClient;private void GetStoredProceduresList()
{string sql = "select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsProcedure') = 1 order by name";
string connStr = @"Data Source=(local);Initial Catalog=mydatabase; Integrated Security=True; Connection Timeout=1;";
    SqlConnection conn = new SqlConnection(connStr);    SqlCommand cmd = new SqlCommand(sql, conn);cmd.CommandType = CommandType.Text;
    try    {conn.Open();
        using (SqlDataReader MyReader = cmd.ExecuteReader())        {            while (MyReader.Read())            {                //Get stored procedure name                this.listBox1.Items.Add(MyReader[0].ToString());}
}
}
    finally    {conn.Close();
}
}
2. 得到某个存储过程的参数信息:(Ado.net方法)
using System.Data.SqlClient;private void GetArguments()
{string connStr = @"Data Source=(local);Initial Catalog=mydatabase; Integrated Security=True; Connection Timeout=1;";
    SqlConnection conn = new SqlConnection(connStr);    SqlCommand cmd = new SqlCommand();cmd.Connection = conn;
    cmd.CommandText = "mystoredprocedurename";cmd.CommandType = CommandType.StoredProcedure;
    try    {conn.Open();
SqlCommandBuilder.DeriveParameters(cmd);
foreach (SqlParameter var in cmd.Parameters)
        {if (cmd.Parameters.IndexOf(var) == 0) continue;//Skip return value
            MessageBox.Show((String.Format("Param: {0}{1}Type: {2}{1}Direction: {3}",var.ParameterName,
Environment.NewLine,
var.SqlDbType.ToString(),
var.Direction.ToString())));
}
}
    finally    {conn.Close();
}
}
3. 列出所有数据库:
using System;using System.Windows.Forms;using System.Collections.Generic;using System.Text;using System.Data;using System.Data.SqlClient;private static string connString =
            "Persist Security Info=True;timeout=5;Data Source=192.168.1.8;User ID=sa;Password=password";/// <summary>/// 列出所有数据库/// </summary>/// <returns></returns>public string[] GetDatabases()
{return GetList("SELECT name FROM sysdatabases order by name asc");
}
private string[] GetList(string sql)
{if (String.IsNullOrEmpty(connString)) return null;
    string connStr = connString;    SqlConnection conn = new SqlConnection(connStr);    SqlCommand cmd = new SqlCommand(sql, conn);cmd.CommandType = CommandType.Text;
    try    {conn.Open();
List<string> ret = new List<string>();
        using (SqlDataReader MyReader = cmd.ExecuteReader())        {            while (MyReader.Read())            {ret.Add(MyReader[0].ToString());
}
}
if (ret.Count > 0) return ret.ToArray();
return null;
}
    finally    {conn.Close();
}
}
4. 得到Table表格列表:
private static string connString =
  "Persist Security Info=True;timeout=5;Data Source=192.168.1.8;Initial Catalog=myDb;User ID=sa;Password=password";/* select name from sysobjects where xtype='u'  ---   C = CHECK 约束   D = 默认值或 DEFAULT 约束   F = FOREIGN KEY 约束   L = 日志   FN = 标量函数   IF = 内嵌表函数   P = 存储过程   PK = PRIMARY KEY 约束(类型是 K)   RF = 复制筛选存储过程   S = 系统表   TF = 表函数   TR = 触发器   U = 用户表   UQ = UNIQUE 约束(类型是 K)   V = 视图   X = 扩展存储过程   */public string[] GetTableList()
{return GetList("SELECT name FROM sysobjects WHERE xtype='U' AND name <> 'dtproperties' order by name asc");
}
5. 得到View视图列表:
public string[] GetViewList()
{return GetList("SELECT name FROM sysobjects WHERE xtype='V' AND name <> 'dtproperties' order by name asc");
}
6. 得到Function函数列表:
public string[] GetFunctionList()
{return GetList("SELECT name FROM sysobjects WHERE xtype='FN' AND name <> 'dtproperties' order by name asc");
}
7. 得到存储过程列表:
public string[] GetStoredProceduresList()
{return GetList("select * from dbo.sysobjects where OBJECTPROPERTY(id, N'IsProcedure') = 1 order by name asc");
}
8. 得到table的索引Index信息:
public TreeNode[] GetTableIndex(string tableName)
{if (String.IsNullOrEmpty(connString)) return null;
    List<TreeNode> nodes = new List<TreeNode>();    string connStr = connString;    SqlConnection conn = new SqlConnection(connStr);SqlCommand cmd = new SqlCommand(String.Format("exec sp_helpindex {0}", tableName), conn);
cmd.CommandType = CommandType.Text;
    try    {conn.Open();
        using (SqlDataReader MyReader = cmd.ExecuteReader())        {            while (MyReader.Read())            {TreeNode node = new TreeNode(MyReader[0].ToString(), 2, 2);/*Index name*/
node.ToolTipText = String.Format("{0}{1}{2}", MyReader[2].ToString()/*index keys*/, Environment.NewLine,
                    MyReader[1].ToString()/*Description*/);nodes.Add(node);
}
}
}
    finally    {conn.Close();
}
if(nodes.Count>0) return nodes.ToArray ();
return null;
}
9. 得到Table,View,Function,存储过程的参数,Field信息:
public string[] GetTableFields(string tableName)
{return GetList(String.Format("select name from syscolumns where id =object_id('{0}')", tableName));
}
10. 得到Table各个Field的详细定义:
public TreeNode[] GetTableFieldsDefinition(string TableName)
{if (String.IsNullOrEmpty(connString)) return null;
    string connStr = connString;    List<TreeNode> nodes = new List<TreeNode>();    SqlConnection conn = new SqlConnection(connStr);SqlCommand cmd = new SqlCommand(String.Format("select a.name,b.name,a.length,a.isnullable from syscolumns a,systypes b,sysobjects d where a.xtype=b.xusertype and a.id=d.id and d.xtype='U' and a.id =object_id('{0}')",
TableName), conn);
cmd.CommandType = CommandType.Text;
    try    {conn.Open();
        using (SqlDataReader MyReader = cmd.ExecuteReader())        {            while (MyReader.Read())            {                TreeNode node = new TreeNode(MyReader[0].ToString(), 2, 2);node.ToolTipText = String.Format("Type: {0}{1}Length: {2}{1}Nullable: {3}", MyReader[1].ToString()/*type*/, Environment.NewLine,
                    MyReader[2].ToString()/*length*/, Convert.ToBoolean(MyReader[3]));nodes.Add(node);
}
}
if (nodes.Count > 0) return nodes.ToArray();
return null;
}
    finally    {conn.Close();
}
}
11. 得到存储过程内容:
类似“8. 得到table的索引Index信息”,SQL语句为:EXEC Sp_HelpText '存储过程名'
12. 得到视图View定义:
类似“8. 得到table的索引Index信息”,SQL语句为:EXEC Sp_HelpText '视图名'
(以上代码可用于代码生成器,列出数据库的所有信息)
 
                
            
         
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浙公网安备 33010602011771号