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This help article describes seven common mistakes that customers make using Rad Grid and offers solutions to the problems. In order for Rad Grid to work properly, it is very important to build the grid structure correctly. Text = "Unbale to locate the Employee for updating." e.
If, at the time of the event, the Data Source property is not set to a valid data source object, the grid will not behave correctly.In a Need Data Source event handler, you should prepare the data source (list of objects) for Rad Grid and assign it to the grid's Data Source property: Protected Sub Rad Grid1_Need Data Source(By Val source As Object, By Val e As Telerik. Need Data Source Dim Conn String As String = Configuration Manager. Connection String Dim conn As Sql Connection = New Sql Connection(Conn String) Dim adapter As Sql Data Adapter = New Sql Data Adapter adapter. Select Command = New Sql Command("SELECT Customer ID, Company Name, Contact Name, Contact Title, Address FROM Customers", conn) Dim my Data Table As New Data Table conn. Important: You should never call the Rebind () method in a Need Data Source event handler.You should never call Data Bind () as well when using advanced data binding through Need Data Source .