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我有一個小的vb.net應用程序,試圖將輸入參數移交給mysql服務器上的存儲過程。mysql存儲過程嘗試使用vb.net交付輸入參數
問題是,該過程可以被執行,但它只插入iddnization離開projectno列空。
這是我的存儲過程:
DELIMITER $$
CREATE DEFINER=`user1`@`%` PROCEDURE `InsertProject`()
BEGIN
DECLARE prno varchar (45);
INSERT Into project (idorganisation, projectno) values ((select idorganisation from user where usercol1 = (SELECT SUBSTRING_INDEX(USER(),'@',1))),
@prno);
END
我vb.net代碼:
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim con As New MySqlConnection(My.Settings.welddocconnectionstring)
Dim cmd As New MySqlCommand("InsertProject", con)
cmd.CommandType = CommandType.StoredProcedure
Dim prno As New MySqlParameter("@prno", MySqlDbType.VarChar, 45)
prno.Direction = ParameterDirection.Input
prno.Value = "Test"
cmd.Parameters.Add(prno)
Try
con.Open()
cmd.ExecuteNonQuery()
con.Close()
Catch ex As MySql.Data.MySqlClient.MySqlException
MessageBox.Show(ex.Message)
Finally
con.Dispose()
End Try
End Sub
謝謝你和問候 Josch
謝謝eggyal。 – user1915753