Use DataTable to update table in Database : Update « Database ADO.net « C# / C Sharp

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C# / C Sharp » Database ADO.net » Update 




Use DataTable to update table in Database

using System;
using System.Data;
using System.Data.SqlClient;

   class PropagateAddsBuilder {
      static void Main() {
         string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
         string qry = @"select * from employee";
 
         SqlConnection conn = new SqlConnection(connString);

         try {
            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = new SqlCommand(qry, conn);

            SqlCommandBuilder cb = new SqlCommandBuilder(da);

            DataSet ds = new DataSet();   
            da.Fill(ds, "employee");

            DataTable dt = ds.Tables["employee"];

            // Add a row
            DataRow newRow = dt.NewRow();
            newRow["firstname""y";
            newRow["lastname""y";
            dt.Rows.Add(newRow);

            foreach (DataRow row in dt.Rows){
               Console.WriteLine(
                  "{0} {1}",
                  row["firstname"].ToString().PadRight(15),
                  row["lastname"].ToString().PadLeft(25));
            }

            da.Update(ds, "employee");
         catch(Exception e)  {
            Console.WriteLine("Error: " + e);
         finally {
            conn.Close();
         }
      }  
   }



           
       














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7.Update Data Using Sql Statements 2
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