Peter,
It worked great. Thanks.
Mark
--- Peter Brunone <[EMAIL PROTECTED]> wrote:
> Hi Mark,
>
> The simplest way would be to check for null (or
> Nothing in VB), like this:
>
> ListItem testItem =
>
drpPropertyType.Items.FindByValue(parameterProperty_Type_ID.Value.ToString());
>
> if(testItem == null) {
> // do it to it
> }
>
> Cheers,
>
> Peter
>
> From: Mark E [EMAIL PROTECTED]
>
> All,
>
> I am using the following C# code to find and select
> an item in a DDL based on an output param from a
> sproc:
>
>
drpPropertyType.Items.FindByValue(parameterProperty_Type_ID.Value.ToString()).Selected
> = true;
>
> But I see that some values may not be present in my
> DDL that matches the value in my output param and it
> generates an error:
>
> System.NullReferenceException: Object reference not
> set to an instance of an object.
>
> When I change the param value to match a value that
> exists in my DDL, the error goes away.
>
> How can I check for the existing of the variable
> "parameterProperty_Type_ID" in my DDL before I try
> to select it?
>
> Thanks,
> Mark
>
>
> [Non-text portions of this message have been
> removed]
>
>
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