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[存储过程] CREATE PROCEDURE Test_procedure @cid int ,@y int, @n varchar(10) output AS select * from city where cid=@cid if @y=1 begin set @n = \\\'成功!\\\' return 0 end else begin set @n = \\\'失败!\\\' return -1 end GO [程序中调用存储过程] Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim conn As OleDbConnection Try conn = New OleDbConnection(\"provider=sqloledb;data source=localhost;user id=sa;password=;initial catalog=jiang\") Dim cmd As New OleDbCommand(\" {? = call Test_procedure(?,?,?)}\", conn) conn.Open() With cmd .CommandType = CommandType.Text ‘这句可以省略,因为是默认设置,但这里还是显式地写出以引起注重 .Parameters.Add(\"@retval\", OleDbType.Integer) .Parameters.Add(\"@cid\", OleDbType.Integer) .Parameters.Add(\"@y\", OleDbType.Integer) .Parameters.Add(\"@n\", OleDbType.VarChar, 10) .Parameters(\"@n\").Direction = ParameterDirection.Output .Parameters(\"@retval\").Direction = ParameterDirection.ReturnValue .Parameters(\"@cid\").Value = 1 .Parameters(\"@y\").Value = 1 .ExecuteNonQuery() MessageBox.Show(.Parameters(\"@n\").Value) ‘测试结果为“成功!” End With Catch ex As Exception MessageBox.Show(ex.ToString) Finally conn.Close() End Try End Sub 返回类别: 教程 上一教程: asp.net高级教程(一)-asp.net or asp+ 下一教程: .net datagrid 选择多行 您可以阅读与"在.net中调用存储过程的另一种方式"相关的教程: · 在.NET中调用存储过程 · .Net 下对SqlServer2000中的存储过程的调用 · .Net 下对SqlServer2000中的存储过程的调用 · ASP.NET中如何调用存储过程 · VB.net 调用带参数存储过程 |
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