Use-SQL-Server-stored-procedures-to-insert-a-new-record-and-then-retrieve-the-identity-value


            <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" 	Inherits="RetrieveIdentity" %>



   Inserting data and retrieving Identity value using Stored Procedures


   
      
      Enter a new publisher


   


File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class RetrieveIdentity : System.Web.UI.Page
{
   protected void btnAdd_Click(object sender, EventArgs e)
   {
      string connString = ConfigurationManager.ConnectionStrings["Book"].ConnectionString;
      SqlConnection conn = new SqlConnection(connString);
      try
      {
         conn.Open();
         SqlCommand cmd = new SqlCommand();
         cmd.Connection = conn;
         cmd.CommandText = "CreatePublisher";
         cmd.CommandType = CommandType.StoredProcedure;
         cmd.Parameters.AddWithValue("@pubName", txtName.Text);
         SqlParameter param = new SqlParameter();
         param.ParameterName = "@pubId";
         param.Size = 4;
         param.SqlDbType = SqlDbType.Int;
         param.Direction = ParameterDirection.Output;
         cmd.Parameters.Add(param);
         int nrows = cmd.ExecuteNonQuery();
         string msg = nrows + " row was added
";
         int id = (int)param.Value;
         msg += "PublisherId of new record=" + id;
         labMsg.Text = msg;
         conn.Close();
      }
      catch (Exception ex)
      {
         labMsg.Text = "Error occurred accessing the database";
         labMsg.Text += "
" + ex.Message;
      }
      finally
      {
         conn.Close();
      }
   }
}

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