[مساعدة]

تفضل التعديل بالكود

كود :

Imports System.Data.OleDb
Public Class Form1
    Dim con As New OleDbConnection("provider=microsoft.ace.oledb.12.0;data source=customers.accdb")
    Dim da As New OleDbDataAdapter
    Dim dt As New DataTable


    Dim dttype As New DataTable

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim datype As New OleDbDataAdapter("select * from cust_type", con)
        datype.Fill(dttype)
        Column3.DataSource = dttype
        Column3.DisplayMember = "custype_name"
        Column3.ValueMember = "custype_id"

        '**********************************************

        da = New OleDbDataAdapter("SELECT customers.cust_id, customers.cust_name, cust_type.custype_name FROM cust_type INNER JOIN customers ON cust_type.[custype_id] = customers.[custype_id] order by customers.cust_id;", con)
        dt = New DataTable
        da.Fill(dt)
        For i = 0 To dt.Rows.Count - 1
            DataGridView1.Rows.Add()
            DataGridView1.Rows(i).Cells(0).Value = dt(i)(0)
            DataGridView1.Rows(i).Cells(1).Value = dt(i)(1)
            DataGridView1.Rows(i).Cells(2).Value = dt(i)(2)

        Next



    End Sub

  

    Private Sub DataGridView1_DataError(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewDataErrorEventArgs) Handles DataGridView1.DataError
        On Error Resume Next
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        'كود الحفظ

        Dim cmd As New OleDbCommand(String.Empty, con)

        con.Open()
        For Each r As DataGridViewRow In DataGridView1.Rows
            If r.IsNewRow Then Exit For
            If IsNumeric(r.Cells(2).Value) Then

                cmd.CommandText = "update customers set cust_name=@cust_name,custype_id=@custype_id where cust_id=@cust_id"
                With cmd.Parameters
                    .Clear()
                    .AddWithValue("@cust_name", r.Cells(1).Value)
                    .AddWithValue("@custype_id", r.Cells(2).Value)
                    .AddWithValue("@cust_id", r.Cells(0).Value)

                End With
                cmd.ExecuteNonQuery()

            End If
        Next
        con.Close()


    End Sub

  
End Class