本文整理匯總了C#中System.Web.Security.RoleProvider.DeleteRole方法的典型用法代碼示例。如果您正苦於以下問題：C# RoleProvider.DeleteRole方法的具體用法？C# RoleProvider.DeleteRole怎麽用？C# RoleProvider.DeleteRole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.DeleteRole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C#代碼示例。
示例1: DeleteRole
public override bool DeleteRole(string rolename, bool throwOnPopulatedRole)
{
if (!RoleExists(rolename))
{
throw new ProviderException("Role does not exist.");
}
if (throwOnPopulatedRole && GetUsersInRole(rolename).Length > 0)
{
throw new ProviderException("Cannot delete a populated role.");
}
OdbcConnection conn = new OdbcConnection(connectionString);
OdbcCommand cmd = new OdbcCommand("DELETE FROM Roles " +
" WHERE Rolename = ? AND ApplicationName = ?", conn);
cmd.Parameters.Add("@Rolename", OdbcType.VarChar, 255).Value = rolename;
cmd.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName;
OdbcCommand cmd2 = new OdbcCommand("DELETE FROM UsersInRoles " +
" WHERE Rolename = ? AND ApplicationName = ?", conn);
cmd2.Parameters.Add("@Rolename", OdbcType.VarChar, 255).Value = rolename;
cmd2.Parameters.Add("@ApplicationName", OdbcType.VarChar, 255).Value = ApplicationName;
try
{
conn.Open();
cmd2.ExecuteNonQuery();
cmd.ExecuteNonQuery();
}
catch (OdbcException)
{
// Handle exception.
return false;
}
finally
{
conn.Close();
}
return true;
}