Cellvalidating event in datagridview
Load Data Row(New Object() , True) 'above only to build a sample datatable dt.
Mapping Name = "Names" Dim text Col As New Data Grid Text Box Column text Col.
Load Dim conn As Sql Connection Dim str Conn As String Dim str SQL As String Dim da As Sql Data Adapter str Conn = "Server = (local);" str Conn &= "Database = North Wind;" str Conn &= "Integrated Security = SSPI;" conn = New Sql Connection(str Conn) da = New Sql Data Adapter("Select * From Products", conn) da. Table Name Dim col Discontinued As New Data Grid Bool Column With col Discontinued .
Width = 80 End With Dim col Name As New Data Grid Text Box Column With col Name .
Hide() End Sub End Class Public Class No Key Up Combo Inherits Combo Box Protected Overrides Sub Wnd Proc(By Ref m As System.
You must then call the Auto Resize Columns method to adjust the column widths to the calculated ideal. Hide() End Sub Protected Overrides Function Get Column Value At Row(By Val source As System. Get Column Value At Row(source, row Num)) Return str Values(int Value) End Function End Class Public Class No Key Up Combo Inherits Combo Box Protected Overrides Sub Wnd Proc(By Ref m As System. New() Column Combo Box = New No Key Up Combo Add Handler Column Combo Box. Selected Index) is Editing = False Invalidate() End If Column Combo Box. Currency Manager, By Val row Num As Integer) As Object Dim int Value As Integer int Value = CInt(My Base. At the end of the sample is showed how to use it Be aware this is a Tip for a Windows Forms Data Grid not a Data Grid View Public Class Data Grid Combo Box Column Inherits Data Grid Text Box Column Public With Events Column Combo Box As No Key Up Combo 'special class Private With Events cm Source As Currency Manager Private m Row Num As Integer Private is Editing As Boolean Shared Sub New() End Sub Public Sub New() My Base. Text) End If Return True End Function Private Sub Combo Start Editing(By Val sender As Object, By Val e As Event Args) is Editing = True My Base. Add(ts) End Sub Be aware this tip is for the Windows Forms Data Grid, not for the Data Grid View To validate the text entered into a datagrid add a handler to the Datagrid Textbox Column's validating event. Dim ds As New Data Set Private Sub Form1_Load(By Val sender As System. Fill(ds, "Products") Dim ts As New Data Grid Table Style ts.
Microsoft has not direct from the box a newer Data Grid that can show relational datatables in one Grid. After draging a Datagrid on the form , pasting in this code below and changing in the code below the Server name for yours.