Visual Basic

If DateSelectionRadioButton.Checked Then
   Dim startDate As DateTime = FromDateDateTimePicker.Value;
   Dim endDate As DateTime = ToDateDateTimePicker.Value;

   Dim myRowFilter As String = String.Format _
        ("TranDate >= '{0}' AND TranDate <= '{1}'", startDate, endDate);

   transactionDataView.RowFilter = myRowFilter;
End If

I are troll

Public int Update_Data(String Grade,String Stream ,String Name )
{
 
     con =new OleDbCommand(strcon);
     
     cmd1 = new OleDbCommand();
     cmd1.CommandText = "Update table2 set grade=? And Stream = ? where Name = ?";
     cmd1.Connection = con;
     cmd1.Parameters.Add("@Grade",SqlDbType.NVarChar, 63).Value = Grade;
     cmd1.Parameters.Add("@Stream ",SqlDbType.NVarChar, 63).Value = Stream ;
     cmd1.Parameters.Add("@Name ",SqlDbType.NVarChar, 63).Value = Name ;
     int Results = 0;

     try
     { 
             Con.Open();
                
        Results = cmd1.ExecuteNonQuery();

      }
      catch(SqlException)
        {
          throw;
        }
        finally
            {
                if (con != null)
                {
                    con.Close();
                }

            }
            return Results ;
        }

Convert.ToInt32(TextBox1.Text);