private  DataTable CreateDataTableA()
		{
			DataTable aTable = new DataTable("A");
			DataColumn dtCol;

			// Create ID column and add to the DataTable.
			dtCol = new DataColumn();
			dtCol.DataType= System.Type.GetType("System.Int32");
			dtCol.ColumnName = "MESSAGE";
			dtCol.AutoIncrement = false;
			dtCol.Caption = "MESSAGE";
			dtCol.ReadOnly = false;
			dtCol.Unique = true;

			// Add the column to the DataColumnCollection.
			aTable.Columns.Add(dtCol);

			// Create Name column and add to the table
			dtCol = new DataColumn();
			dtCol.DataType= System.Type.GetType("System.Int32");
			dtCol.ColumnName = "LENGTH";
			dtCol.AutoIncrement = false;
			dtCol.Caption = "LENGTH";
			dtCol.ReadOnly = false;
			dtCol.Unique = false;
			aTable.Columns.Add(dtCol);

			// Create Name column and add to the table
			dtCol = new DataColumn();
			dtCol.DataType= System.Type.GetType("System.Int32");
			dtCol.ColumnName = "DATA";
			dtCol.AutoIncrement = false;
			dtCol.Caption = "DATA";
			dtCol.ReadOnly = false;
			dtCol.Unique = false;
			aTable.Columns.Add(dtCol);
	

			return aTable;
		}

		private void button7_Click(object sender, System.EventArgs e)
		{


		}