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I have a user control with a datagridview to show an address list in a popup, that the user can choose from.
I followed a Microsoft MSDN example. However, when I drag the built usercontrol onto a form, the DataSource property in the property grid of the control remains grayed out. Thus I can't set a datasource property during desgin time.

What am I doing wrong?
This is my code:

Imports PrismaModel
Imports System.ComponentModel
 
<System.ComponentModel.ComplexBindingProperties("DataSource", "DataMember")> _
Public Class AdressenControl
 
  Public Event AdresDoubleClicked(ByVal adres As Adres)
 
  Public Property DataSource() As Object
    Get
      Return Me.ZaDatagridView1.Datasource
    End Get
    Set(ByVal value As Object)
      Me.ZaDatagridView1.Datasource = Me.ZaDatagridView1.Datasource
    End Set
  End Property
 
  Public Property DataMember() As String
    Get
      Return Me.ZaDatagridView1.DataMember
    End Get
    Set(ByVal value As String)
      Me.ZaDatagridView1.DataMember = value
    End Set
  End Property
 
  Private Sub ZaDatagridView1_CellDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles ZaDatagridView1.CellDoubleClick
 
    If e.RowIndex > -1 Then
      Dim adres As Adres
      Dim list As List(Of Adres) = ZaDatagridView1.Datasource
      adres = list(e.RowIndex)
      RaiseEvent AdresDoubleClicked(adres)
    End If
  End Sub
 
End Class
Posted 4-Mar-11 22:51pm
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Solution 1

i think you need to use a ControlDesigner.

Goodd Luck;
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Solution 2

Hi

If you want to set the datasource property then it has to be done on the user control design itself. Not while using.

But you can assign it during runtime. Have a public function/property in the user control which helps set the datasource. That you can use from any hosting container like form.
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