دوست من ، اینجا که خودش کدهای یه پروژه رو گذاشته !!!
توی این صفحه ، مثالی آورده که دقیقا این کارو با استفاده از لیست باکس انجام میده . مطالعه اش کنی ، ضرر نمیکنی .
http://msdn.microsoft.com/en-us/libr...rfromrole.aspx (http://msdn.microsoft.com/en-us/library/system.web.security.roles.removeuserfromrole.aspx)
فقط کپی و پیست میخواد :
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Security" %>
<%@ Import Namespace="System.Web.UI" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
string[] rolesArray;
MembershipUserCollection users;
string[] usersInRole;
public void Page_Load()
{
Msg.Text = "";
if (!IsPostBack)
{
// Bind roles to ListBox.
rolesArray = Roles.GetAllRoles();
RolesListBox.DataSource = rolesArray;
RolesListBox.DataBind();
// Bind users to ListBox.
users = Membership.GetAllUsers();
UsersListBox.DataSource = users;
UsersListBox.DataBind();
}
if (RolesListBox.SelectedItem != null)
{
// Show users in role. Bind user list to GridView.
usersInRole = Roles.GetUsersInRole(RolesListBox.SelectedItem.Val ue);
UsersInRoleGrid.DataSource = usersInRole;
UsersInRoleGrid.DataBind();
}
}
public void AddUsers_OnClick(object sender, EventArgs args)
{
// Verify that a role is selected.
if (RolesListBox.SelectedItem == null)
{
Msg.Text = "Please select a role.";
return;
}
// Verify that at least one user is selected.
if (UsersListBox.SelectedItem == null)
{
Msg.Text = "Please select one or more users.";
return;
}
// Create list of users to be added to the selected role.
string[] newusers = new string[UsersListBox.GetSelectedIndices().Length];
for (int i = 0; i < newusers.Length; i++)
{
newusers[i] = UsersListBox.Items[UsersListBox.GetSelectedIndices()[i]].Value;
}
// Add the users to the selected role.
try
{
Roles.AddUsersToRole(newusers, RolesListBox.SelectedItem.Value);
// Re-bind users in role to GridView.
usersInRole = Roles.GetUsersInRole(RolesListBox.SelectedItem.Val ue);
UsersInRoleGrid.DataSource = usersInRole;
UsersInRoleGrid.DataBind();
}
catch (Exception e)
{
Msg.Text = e.Message;
}
}
public void UsersInRoleGrid_RemoveFromRole(object sender, GridViewCommandEventArgs args)
{
// Get the selected user name to remove.
int index = Convert.ToInt32(args.CommandArgument);
string username = ((DataBoundLiteralControl)UsersInRoleGrid.Rows[index].Cells[0].Controls[0]).Text;
// Remove the user from the selected role.
try
{
Roles.RemoveUserFromRole(username, RolesListBox.SelectedItem.Value);
}
catch (Exception e)
{
Msg.Text = "An exception of type " + e.GetType().ToString() +
" was encountered removing the user from the role.";
}
// Re-bind users in role to GridView.
usersInRole = Roles.GetUsersInRole(RolesListBox.SelectedItem.Val ue);
UsersInRoleGrid.DataSource = usersInRole;
UsersInRoleGrid.DataBind();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Sample: Role Membership</title>
</head>
<body>
<form runat="server" id="PageForm">
<h3>
Role Membership</h3>
<asp:Label ID="Msg" ForeColor="maroon" runat="server" /><br />
<table cellpadding="3" border="0">
<tr>
<td valign="top">
Roles:</td>
<td valign="top">
<asp:ListBox ID="RolesListBox" runat="server" Rows="8" AutoPostBack="true" /></td>
<td valign="top">
Users:</td>
<td valign="top">
<asp:ListBox ID="UsersListBox" DataTextField="Username" Rows="8" SelectionMode="Multiple"
runat="server" /></td>
<td valign="top">
<asp:Button Text="Add User(s) to Role" ID="AddUsersButton" runat="server" OnClick="AddUsers_OnClick" /></td>
</tr>
<tr>
<td valign="top">
Users In Role:</td>
<td valign="top">
<asp:GridView runat="server" CellPadding="4" ID="UsersInRoleGrid" AutoGenerateColumns="false"
GridLines="None" CellSpacing="0" OnRowCommand="UsersInRoleGrid_RemoveFromRole">
<HeaderStyle BackColor="navy" ForeColor="white" />
<Columns>
<asp:TemplateField HeaderText="User Name" >
<ItemTemplate>
<%# Container.DataItem.ToString() %>
</ItemTemplate>
</asp:TemplateField>
<asp:ButtonField Text="Remove From Role" ButtonType="Link" />
</Columns>
</asp:GridView>
</td>
</tr>
</table>
</form>
</body>
</html>
دیگه المان هایی مثل RolesListBox و UsersListBox و ... رو هم که خودت توی محیط دیزاین از Tools بکش بنداز توی صفحه اتو نامشو تصحیح کن . همین!