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[英]How i can retrive the data from datagridview row click to corresponding data to another form
[英]How can i update database by updating data in DataGridView by a button click?
我已经通过Visual Studio向导以vb形式DataGridView绑定了sql数据库表。
我尝试了下面的代码,它成功执行并显示消息“已成功更新”,但实际上它并未对SQL数据库进行任何更改。 当我重新加载表格时,我看不到任何变化。 我是VB.Net的新手,只有这件事阻止了我完成我的项目。 请帮助...提前感谢
Imports System.Data.SqlClient
Public Class FormUpdate
'Variables declared here
Dim Con As New SqlConnection
Dim Cmd As New SqlCommand
Dim ds As DataSet
Dim da As New SqlDataAdapter
Dim cmdString As String
Dim dt As New DataTable
Dim dr As SqlDataReader
Dim cmdbl As New SqlCommandBuilder
Public Sub FormUpdate_Load(sender As Object, e As EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'ShipmentDataSetDataGridView.Shipment_Main' table. You can move, or remove it, as needed.
Me.Shipment_MainTableAdapter2.Fill(Me.ShipmentDataSetDataGridView.Shipment_Main)
'CONNECTION STRING FOR THE DATABASE
Con.ConnectionString = "Data Source=TARIQUE;Initial Catalog=shipment;Integrated Security=True"
End Sub
Private Sub btnUpdate_Click(sender As Object, e As EventArgs) Handles btnUpdate.Click
Try
Con.Open()
cmdbl = New SqlCommandBuilder(da)
da.Update(dt)
MessageBox.Show("Updated successfully!")
Catch ex As Exception
MessageBox.Show(ex.ToString)
End Try
Con.Close()
End Sub
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