Selected Index Changed event not firing both Autopostback property
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Published on 2014-05-31T07:06:07Z
Indexed on
2014/05/31
9:26 UTC
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In my Dropdownlist Selected index change event not firing.Here i use auto post back true & View state also true.But Selected Index Changed Event not firing
My Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="AdminEagleViewLogin.aspx.cs" Inherits="AdminEagleViewLogin" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<style>
body{padding-top:20px;}
</style>
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div class="container">
<div class="row">
User : <asp:DropDownList ID="drpusr" runat="server" Visible="true" OnSelectedIndexChanged="drpusr_SelectedIndexChanged" AutoPostBack="true" EnableViewState="true" ></asp:DropDownList>
Password: <asp:Label ID="lbluserpw" runat="server"></asp:Label>
<div class="col-md-4 col-md-offset-4">
<div class="panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Please sign in</h3>
</div>
<div class="panel-body">
<form accept-charset="UTF-8" role="form">
<fieldset>
<div class="form-group">
<asp:TextBox ID="txtusr" runat="server"></asp:TextBox>
</div>
<div class="form-group">
<asp:TextBox ID="txtpw" runat="server" TextMode="Password"></asp:TextBox>
</div>
<div class="checkbox">
<label>
<input name="remember" type="checkbox" value="Remember Me"> Remember Me
</label>
</div>
<asp:CheckBox ID="chkremember" runat="server" Visible="false" class="remchkbox" />
<asp:Button ID="submit" runat="server" class="btn btn-lg btn-success btn-block" Text="Submit" OnClick="submit_Click" />
</fieldset>
</form>
</div>
</div>
</div>
</div>
</div>
</form>
</body>
</html>
ServerSide User bind to Dropdown is working.
public partial class AdminEagleViewLogin : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
BindUsers();
//lbluserpw.Text = Membership.Provider.GetPassword(drpusr.SelectedValue, String.Empty);
}
protected void submit_Click(object sender, EventArgs e)
{
if (Membership.ValidateUser(txtusr.Text, txtpw.Text))
{
FormsAuthentication.SetAuthCookie(txtusr.Text, chkremember.Checked);
string[] CurrentUserRole = Roles.GetRolesForUser(txtusr.Text);
var admin = "Administrator";
var manager = "Manager";
var user = "User";
if (CurrentUserRole.Contains(admin))
{
Response.Redirect("Administrator.aspx");
}
else if (CurrentUserRole.Contains(manager))
{
Response.Redirect("Manager.aspx");
}
else
{
Response.Redirect("UserPage.aspx");
}
}
else
{
Response.Redirect("AdminEagleViewLogin.aspx");
}
}
protected void BindUsers()
{
DataAccess da = new DataAccess();
drpusr.DataSource = da.GetUsers();
drpusr.DataTextField = "UserName";
drpusr.DataValueField = "UserId";
drpusr.DataBind();
drpusr.Items.Insert(0, new ListItem("-- Select User --", "0"));
drpusr.Items.RemoveAt(1);
}
protected void drpusr_SelectedIndexChanged(object sender, EventArgs e)
{
lbluserpw.Text = Membership.Provider.GetPassword(drpusr.SelectedValue, String.Empty);
}
}
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