Imports System.Data.OleDb
Public Class Form1
Dim con As New OleDbConnection
Dim adapter As New OleDbDataAdapter
Dim dtmain_Moad, dtShoab, dtStudents As New DataTable
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
adapter = New OleDbDataAdapter(" select * from main_Moad ", con)
adapter.Fill(dtmain_Moad)
ComboBox1.DataSource = dtmain_Moad
ComboBox1.DisplayMember = "Lable"
ComboBox1.ValueMember = "ID"
Label1.Visible = False
End Sub
Public Sub New()
' This call is required by the designer.
InitializeComponent()
con.ConnectionString = ("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\newTemp1\newTemp1.accdb")
' Add any initialization after the InitializeComponent() call.
End Sub
Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ComboBox1.SelectedIndexChanged
Try
dtShoab.Clear()
adapter = New OleDbDataAdapter(" select * from Shoab where ID_Mada =" & ComboBox1.SelectedValue, con)
adapter.Fill(dtShoab)
ComboBox2.DataSource = dtShoab
ComboBox2.DisplayMember = "Lable"
ComboBox2.ValueMember = "ID"
Catch ex As Exception
End Try
End Sub
Private Sub ComboBox2_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ComboBox2.SelectedIndexChanged
Try
dtStudents.Clear()
adapter = New OleDbDataAdapter(" select * from Students where Id_Shoba =" & ComboBox2.SelectedValue, con)
adapter.Fill(dtStudents)
DataGridView1.DataSource = dtStudents
Label1.Text = DataGridView1.Rows.Count - 1
Label1.Visible = False
If DataGridView1.Rows.Count - 1 > 0 Then
Label1.Visible = True
End If
Catch ex As Exception
End Try
End SubEnd Sub
(20-10-18, 08:35 PM)عبد العزيز البسكري كتب : [ -> ]السّلام عليكم و رحمة الله و بركاته
و كيف يتم ملء الداتا جريد بالبيانات أخي الكريم ؟؟
تحياتي
هذا هو الكود أخي الكريم