CSharp Handling Method Errors – ADO.Net Database

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">    protected void srcProducts_Inserted(object sender, ObjectDataSourceStatusEventArgs e)
    {
        if (e.Exception != null)
        {
            e.ExceptionHandled = true;
            lblError.Text = "Could not insert Product";
        }
    }
</script><html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
</head>
<body>
    <form id="form1" runat="server">
    <asp:Label
        id="lblError"
        EnableViewState="false"
        CssClass="error"
        Runat="server" />    <h1>Insert Product</h1>
    <asp:DetailsView
        id="dtlProducts"
        DataSourceID="srcProducts"
        DefaultMode="Insert"
        AutoGenerateInsertButton="true"
        AutoGenerateRows="false"
        CssClass="insertForm"
        GridLines="None"
        Runat="server">
        <fields>
        <asp:BoundField
            DataField="Title"
            HeaderText="Title:"/>
        <asp:BoundField
            DataField="Director"
            HeaderText="Director:" />
        </fields>
    </asp:DetailsView>
    <asp:ObjectDataSource
        id="srcProducts"
        TypeName="InsertProduct"
        InsertMethod="Insert"
        Runat="server"
        OnInserted="srcProducts_Inserted" />    </div>
    </form>
</body>
</html>
File: InsertProduct.csusing System;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Web.Configuration;public class InsertProduct
{
    private static readonly string _conString;    public static SqlDataReader GetProducts()
    {
        SqlConnection con = new SqlConnection(_conString);        SqlCommand cmd = new SqlCommand();
        cmd.Connection = con;
        cmd.CommandText = "SELECT Id,Title,Director FROM Products";        con.Open();
        return cmd.ExecuteReader(CommandBehavior.CloseConnection);
     }     public static void Insert(string title, string director)
     {
         SqlConnection con = new SqlConnection(_conString);         SqlCommand cmd = new SqlCommand();
         cmd.Connection = con;
         cmd.CommandText = "INSERT Products (Title,Director)" + " VALUES (@Title,@Director)";         cmd.Parameters.AddWithValue("@Title", title);
         cmd.Parameters.AddWithValue("@Director", director);         using (con)
         {
             con.Open();
             cmd.ExecuteNonQuery();
         }
     }
     static InsertProduct()
     {
         _conString = WebConfigurationManager.ConnectionStrings["Products"]. ConnectionString;
     }
}File: Web.config<configuration>
  <connectionStrings>
    <add name="Products"
         connectionString="Data Source=.\SQLEXPRESS;
         AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
  </connectionStrings>
</configuration>

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