Hi all expert,
I have two fields in data grid one comboxbox type another is
texbox type. As per user selection I want to add multiple record at a time in
backend.  Here is my looping code…pls
somebody help………help…help………me..inside looping code I am getting casting
exceptions. 
Unable to cast object of type 'System.String' to type 'Create_Sales_Back_Order.DynamicsGPService.SalesBackorderLine[]'.
  for (int counter =
0; counter < (CreateSalesBackOrderGrid.Rows.Count); counter++)
       {
                                salesBackorder.Lines
= (SalesBackorderLine[])CreateSalesBackOrderGrid.Rows[counter].Cells[0].Value;    //here getting this exception.
//here I should write insert method.
                }