本文整理汇总了VB.NET中System.Web.Security.RoleProvider.CreateRole方法的典型用法代码示例。如果您正苦于以下问题：VB.NET RoleProvider.CreateRole方法的具体用法？VB.NET RoleProvider.CreateRole怎么用？VB.NET RoleProvider.CreateRole使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。
在下文中一共展示了RoleProvider.CreateRole方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
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