CSharp Use Iteminserted Event To Handle Any 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 dtlProducts_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
    {
        if (e.Exception != null)
        {
            e.ExceptionHandled = true;
            e.KeepInInsertMode = true;
            lblError.Visible = true;
        }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Insert Errors</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>    <asp:Label
        id="lblError"
        Text="Could not insert record"
        Visible="false"
        EnableViewState="false"
        CssClass="error"
        Runat="server" />    <asp:DetailsView
        id="dtlProducts"
        AllowPaging="true"
        DataSourceID="srcProducts"
        AutoGenerateInsertButton="true"
        OnItemInserted="dtlProducts_ItemInserted"
        Runat="server" />    <asp:SqlDataSource
        id="srcProducts"
        ConnectionString="<%$ ConnectionStrings:Products %>"
        SelectCommand="SELECT Title,Director,InStocks FROM Products"
        InsertCommand="INSERT Products (Title,Director,InStocks)VALUES (@Title,@Director,
        Runat="server" />    </div>
    </form>
</body>
</html>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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