Cannot perform 'Like' operation on System.Int32 and System.String. DataGridView search and filter

Question

I have a form that when I select a column name from a ComboBox, and type in a text box it filters and displays the searched criteria in the DataGridView. When I search for \

Answer 1

the code tried to search from gridview (devexpress)..

   DataRow[] dr = dt.Select("invoiceId ='" + Convert.ToInt32(gridView1.GetRowCellValue(id, "invoiceId")) + "' AND  '%" + Convert.ToDouble(gridView1.GetRowCellValue(id, "Amount_Paid")) + "%' LIKE   '%" + Convert.ToDouble(gridView1.GetRowCellValue(id, "Amount")) + "%' ");

                    if (dr.Length > 0)
                    {
                        MessageBox.Show("already paid");
                    }