dt = new DataTable( "MyTable" );
			DataColumn cl;
			cl = dt.Columns.Add();
			cl.ColumnName =  "Integer" ;
			cl.DataType = typeof(System.Int32);
			cl.AllowDBNull = false;
			cl.AutoIncrement = true;
			cl.AutoIncrementSeed =  1 ;
			cl.AutoIncrementStep =  1 ;
			cl.Caption =  "Целое число" ;
			cl = dt.Columns.Add();
			cl.ColumnName =  "String" ;
			cl.DataType = typeof(System.String);
			cl.AllowDBNull = false;
			cl.Caption =  "Строка" ;
			cl = dt.Columns.Add();
			cl.ColumnName =  "DateTime" ;
			cl.DataType = typeof(System.DateTime);
			cl.AllowDBNull = false;
			cl.Caption =  "Дата" ;
			DataRow dr;
			dr = dt.NewRow();
			dr[ "String" ] =  "sdfgg" ;
			dr[ "DateTime" ] = DateTime.Now;
			dt.Rows.Add(dr);

			ds = new DataSet( "MyDataSet" );
			ds.Tables.Add(dt);

			DataColumn[] PK = new DataColumn[ 1 ];
			PK[ 0 ] = dt.Columns[ "Integer" ];
			dt.PrimaryKey = PK;

			MyDatagrid.SetDataBinding(ds,  "MyTable" );