No problem, glad it worked ... although I think Cathi's suggestion was probably better. =)

~~Bonnie


>Thanks, this works.
>
>Jerry
>
>
>
>
>>Jerry,
>>
>>Just check to see if it's null first before attempting to process it:
>>

>>  if (Request.QueryString["myKey"] != null)
>>      lcKey = Request.QueryString["myKey"];
>>

>>
>>~~Bonnie
>>
>>
>>>I'm using ASP.Net to create a WebForm.
>>>
>>>In my Page_Load(), I want to test for IsPostBack and capture parameters if any. Here's what I do.
>>>
>>>

>>>///Page_Load()
>>>string lcKey;
>>>if (Page.IsPostBack)
>>>{
>>>  lcKey = Request.QueryString["myKey"];
>>>}
>>>

>>>
>>>However, if Page.IsPostBack = True and there were not any parameters passed, I get this error:
>>>
>>>Object reference not set to an instance of an object.
>>>
>>>If I have a Request.QueryString["myKey"];, do I have to pass parameters? Or, how can I test for parameters being passed?
>>>
>>>Thanks,
>>>
>>>Jerry