用戶被添加到1個角色（asp.net成員資格）

Question

我想允許用戶從包含所有角色的下拉列表中選擇createuserwizard上的角色。我不會收到錯誤，但是無論選擇了什麼dropdownlist項目，用戶總是會添加到「Offering Rooms」角色。

代碼：

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
     roleDropDownList = RegisterUser.CreateUserStep.ContentTemplateContainer.FindControl("RoleDropDownList") 
     roleDropDownList.DataSource = Roles.GetAllRoles() 
     roleDropDownList.DataBind() 
    End Sub 

    Protected Sub RegisterUser_CreatedUser(ByVal sender As Object, ByVal e As EventArgs) Handles RegisterUser.CreatedUser   
     Roles.AddUserToRole(RegisterUser.UserName, roleDropDownList.SelectedValue)   
    End Sub 

標記：

<asp:DropDownList ID="RoleDropDownList" runat="server"> 

           </asp:DropDownList> 

HTML：

<option value="Offering Rooms">Offering Rooms</option> 
<option value="Seeking Rooms">Seeking Rooms</option> 

Answer 1

您需要添加檢查，如果這是回來後沒有再綁定：

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
    If Not IsPostBack Then   
     roleDropDownList = RegisterUser.CreateUserStep.ContentTemplateContainer.FindControl("RoleDropDownList") 
     roleDropDownList.DataSource = Roles.GetAllRoles() 
     roleDropDownList.DataBind() 
    End If 
End Sub