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Categories / C# Tutorial / ADO Net

 

Retrieving a Result Set Using a DataTable or a DataSet

using System; using System.Data; using System.Data.SqlClient;     class Program     {         static void Main(string[] args)         {             string sqlConnectString = "Data Source=(local);Integrated security=SSPI;Initial Catalog=AdventureWorks;";             string sqlSelect = "SELECT FirstName, LastName FROM Person.Contact";             SqlDataAdapter da = new SqlDataAdapter(sqlSelect, sqlConnectString);             DataTable dt = new DataTable( );             da.Fill(dt);             foreach (DataRow row in dt.Rows)                 Console.WriteLine("{0} {1}", row[0], row["LastName"]);             DataSet ds = new DataSet( );             da.Fill(ds, "Contact");             Console.WriteLine(ds.Tables.Count);             Console.WriteLine(ds.Tables[0].TableName);             foreach (DataRow row in ds.Tables["Contact"].Rows)                 Console.WriteLine("{0} {1}", row[0], row[1]);         }     }