My code is easy and straight as belows:
Roles.DeleteRole(Groups.SelectedItem.Text)
and when i tried to execute the code i got the following error messages:
{"Not unique table/alias: 'ur'"}
Stack:
於 CoreLab.Common.Web.Providers.DbRoleProvider.DeleteRole(String roleName, Boolean throwOnPopulatedRole)
於 System.Web.Security.Roles.DeleteRole(String roleName, Boolean throwOnPopulatedRole)
於 System.Web.Security.Roles.DeleteRole(String roleName)
於 Group_aspx.DeleteRole_Click(Object sender, EventArgs e) 於 C:\Naijen\FlashFile\WebManager\WebAdmin\Group.aspx.vb: 行 38
於 System.Web.UI.WebControls.Button.OnClick(EventArgs e)
於 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument)
於 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
於 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
於 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Any suggestion would be appreciated.