26-08-19, 07:36 PM
كود الاتصال بقاعدة البيانات المحددة
كود :
Public Constr9 As String
Public conn9 As New OleDbConnection(Constr9)
'Public cmd9 As OleDbCommand = conn9.CreateCommand
Public adapt9 As New OleDbDataAdapter
Public ddda As DataTable
Public save_user As OleDbCommandBuilder
Public ds9 As New DataSet
Public BS9 As New BindingSource
Public Sub read_data(ByVal xxxx As String)
Try
Constr9 = "Provider=Microsoft.Jet.OLEDB.4.0;data source=" & xxxx
conn9.ConnectionString = Constr9
conn9.Open()
ds9.Clear()
Dim str9 As String = "SELECT * FROM mmm"
'تعريف كائن وفق الأستعلام والأتصال'
adapt9 = New OleDbDataAdapter(str9, conn9)
'ملئ الدتا ست بالبيانات'
adapt9.Fill(ds9, "mmm")
'سحب البينات من الدتا ست'
BS9.DataSource = ds9
BS9.DataMember = "mmm"
CRM_Form.DataGridView1.DataSource = ds9.Tables(0)
Catch ex As Exception
MsgBox("فشل في قراءة البيانات")
End Try
End Sub