using System;
using System.Data;
using System.Data.SqlClient;
class MainClass
{
public static void Main()
{
SqlConnection MyConnection = new SqlConnection("server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;");
SqlDataAdapter MyDataAdapter = new SqlDataAdapter("SELECT * FROM Employee", MyConnection);
SqlCommandBuilder MyCmd = new SqlCommandBuilder(MyDataAdapter);
DataSet MyDataSet = new DataSet();
MyDataAdapter.Fill(MyDataSet);
DataColumn[] MyKey = new DataColumn[1];
MyKey[0] = MyDataSet.Tables[0].Columns[0];
MyDataSet.Tables[0].PrimaryKey = MyKey;
DataRow FindMyRow = MyDataSet.Tables[0].Rows.Find(1);
}
}