Vb.net Ado.Net-从ExecuteScalar和ExecuteOnQuery返回true或false

我是网络新手，谁能帮我一下吗

在vb.net代码中运行ExecuteScalar或ExecuteOnQuery ado命令时，我们需要返回状态true或false

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关于

只需为SQLCommand编写一个扩展方法来包装原始功能

<Extension()> 
Public Function MyExecuteScalar(ByVal sqlCommand As SqlCommand) As Boolean
    MyExecuteScalar = Not (sqlCommand.ExecuteScalar() is Nothing)
End Function

<Extension()> 
Public Function MyExecuteNonQuery(ByVal sqlCommand As SqlCommand) As Boolean
    MyExecuteNonQuery = sqlCommand.ExecuteNonQuery() > 0
End Function

if mySqlCommand.MyExecutescalar() then ...