本文整理匯總了VB.NET中System.Web.Security.RoleProvider.CreateRole方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET RoleProvider.CreateRole方法的具體用法？VB.NET RoleProvider.CreateRole怎麽用？VB.NET RoleProvider.CreateRole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.CreateRole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: CreateRole
Public Overrides Sub CreateRole(rolename As String)
If rolename Is Nothing OrElse rolename = "" Then _
Throw New ProviderException("Role name cannot be empty or null.")
If rolename.Contains(",") Then _
Throw New ArgumentException("Role names cannot contain commas.")
If RoleExists(rolename) Then _
Throw New ProviderException("Role name already exists.")
If rolename.Length > 255 Then _
Throw New ProviderException("Role name cannot exceed 255 characters.")
Dim conn As OdbcConnection = New OdbcConnection(connectionString)
Dim cmd As OdbcCommand = New OdbcCommand("INSERT INTO Roles " & _
" (Rolename, ApplicationName) " & _
" Values(?, ?)", conn)
cmd.Parameters.Add("@Rolename", OdbcType.VarChar, 255).Value = rolename
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName
Try
conn.Open()
cmd.ExecuteNonQuery()
Catch e As OdbcException
' Handle exception.
Finally
conn.Close()
End Try
End Sub