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Save multiple select item dropdown

Posted By:satyapriyanayak       Posted Date: October 31, 2013    Points: 40    Category: Visual Studio    URL: http://www.dotnetspark.com  

We will know how to save multiple selected list items in database from dropdown list when selected.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Save_multiple_select_item_dropdown._Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
    <form id="form1" runat="server">
     <asp:DropDownList ID="DropDownList1" runat="server"

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
namespace Save_multiple_select_item_dropdown
    public partial class _Default : System.Web.UI.Page
        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        string str;
        SqlCommand com;

        protected void Page_Load(object sender, EventArgs e)
            DropDownList1.AutoPostBack = true;
            SqlConnection con = new SqlConnection(strConnString);

            if (!IsPostBack)
                DropDownList1.Items.Add("Choose Name");
                str = "select * from  employee";
                com = new SqlCommand(str, con);
                SqlDataReader reader = com.ExecuteReader();
                while (reader.Read())

        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
            SqlConnection con = new SqlConnection(strConnString);
            for (int i = 0; i < DropDownList1.Items.Count; i++)
                if (DropDownList1.Items[i].Selected == true)
                    str = "insert into employee1 values('" + DropDownList1.Items[i].ToString() + "')";
                    com = new SqlCommand(str, con);
                    Response.Write("<script>alert('Items Inserted');</script>");


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