//PopolateGridView void PopolateGridView() { DataTable dataTable = new DataTable(); using (SqlConnection cnn = new SqlConnection(sqlconnectionString)) { cnn.Open(); SqlDataAdapter adapter = new SqlDataAdapter("select * from Raum", cnn); adapter.Fill(dataTable); } if (dataTable.Rows.Count > 0) { Raum.DataSource = dataTable; Raum.DataBind(); } else { dataTable.Rows.Add(dataTable.NewRow()); Raum.DataSource = dataTable; Raum.DataBind(); Raum.Rows[0].Cells.Clear(); Raum.Rows[0].Cells.Add(new TableCell()); Raum.Rows[0].Cells[0].ColumnSpan = dataTable.Columns.Count; Raum.Rows[0].Cells[0].Text = "Not Data Found ..!"; Raum.Rows[0].Cells[0].HorizontalAlign = HorizontalAlign.Center; } }