本文整理匯總了VB.NET中System.Web.Security.RoleProvider.AddUsersToRoles方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET RoleProvider.AddUsersToRoles方法的具體用法？VB.NET RoleProvider.AddUsersToRoles怎麽用？VB.NET RoleProvider.AddUsersToRoles使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。
在下文中一共展示了RoleProvider.AddUsersToRoles方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: AddUsersToRoles
Public Overrides Sub AddUsersToRoles(usernames As String(), rolenames As String())
For Each rolename As String In rolenames
If rolename Is Nothing OrElse rolename = "" Then _
Throw New ProviderException("Role name cannot be empty or null.")
If Not RoleExists(rolename) Then _
Throw New ProviderException("Role name not found.")
Next
For Each username As String in usernames
If username Is Nothing OrElse username = "" Then _
Throw New ProviderException("User name cannot be empty or null.")
If username.Contains(",") Then _
Throw New ArgumentException("User names cannot contain commas.")
For Each rolename As String In rolenames
If IsUserInRole(username, rolename) Then
Throw New ProviderException("User is already in role.")
End If
Next
Next
Dim conn As OdbcConnection = New OdbcConnection(connectionString)
Dim cmd As OdbcCommand = New OdbcCommand("INSERT INTO UsersInRoles " & _
" (Username, Rolename, ApplicationName) " & _
" Values(?, ?, ?)", conn)
Dim userParm As OdbcParameter = cmd.Parameters.Add("@Username", OdbcType.VarChar, 255)
Dim roleParm As OdbcParameter = cmd.Parameters.Add("@Rolename", OdbcType.VarChar, 255)
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName
Try
conn.Open()
For Each username As String In usernames
For Each rolename As String In rolenames
userParm.Value = username
roleParm.Value = rolename
cmd.ExecuteNonQuery()
Next
Next
Catch e As OdbcException
' Handle exception.
Finally
conn.Close()
End Try
End Sub