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When deleting an item, Rad Grid extracts the values from the cells of the Grid Item that is to be deleted.The extraction of all values is necessary when the data source control has Conflict Detection="Compare All Values" (the default Data Source control behavior). Map Path("~/App_Data/Nwind.mdb") Dim conn As New Ole Db Connection(cnctn String) Dim adapter As New Ole Db Data Adapter() adapter. View State("_gds") = table Return table End If End Get End Property Private Sub Rad Grid1_Need Data Source(By Val source As Object, By Val e As Telerik. Selected Value editor Value = CType(editor, Grid Drop Down Column Editor).
The following examples illustrate these techniques. They both use the same grid declaration: Private Read Only Property Grid Source As Data Table Get Dim obj As Object = Me. Text editor Value = CType(editor, Grid Text Column Editor). Get Column Editor(editable Col) Dim editor Text As String = "unknown" Dim editor Value As Object = Nothing If (Type Of editor Is Grid Text Column Editor) Then editor Text = CType(editor, Grid Text Column Editor). Extracting values from an Item is supported only when the grid has an edit mode of In Place or Edit Forms (auto-generated edit forms) or uses a template.Rad Grid can extract values from columns that are set as read-only, if the column's Force Extract Value property is set to: The default value for the Force Extract Value property is "None", which means that the extraction of default values will not be performed for read-only columns.