... Constraint––CCááccllớớppđđặặccbibiệệtt: : SqlCommandSqlCommand, , OleDbCommandOleDbCommand, , SqlCommandBuilderSqlCommandBuilder, , OleDbCommandBuilderOleDbCommandBuilder, , SqlConnectionSqlConnection, ... new = new SqlConnection(sourceSqlConnection(source););SqlCommandSqlCommandcmdcmd= new = new SqlCommand(selectSqlCommand(select, , connconn););SqlDataAdapterSqlDataAdapteradapter ... ddựựaatrêntrênmmộộttDataAdapterDataAdapterXâyXâyddựựngngbbằằngngccááchchthêmthêmccááccDataTableDataTableData Access and Viewing with .NETData Access and Viewing with .NET -- Editor:Editor: Đo Đoààn Quang Minhn Quang Minh77CommandsCommandspublic class public...