Dynamics CRM 3.0 Client-side Programming: Commenting Your Code

Posted on March 3rd, 2006 mitch  Print No comments

I was browsing the CRM 3.0 SDK the other day and ran across the following little tidbit:

Another improvement in scripting is that when you edit scripts, all formatting is retained to improve readability and maintainability.

Note   Use of /* … */ style comments is preferred in scripts.

If you didn't know, JavaScript supports two kinds of comments:

• Block: /* */
• Single Line: //

The above note caught my attention because I had just ran into an issue regarding the single line comments. I was using it to comment out the last line of an Event and I was getting JavaScript runtime errors. Removing the code that was commented-out stopped the errors.

That's when I realized that CRM 3.0 was removing trailing line breaks from the Event code and turning my Single-line Comment into a showstopper by including the trailing } in the comment and rendering the code "incomplete."

Consistent use of block comments will prevent code issues like this all together and I've had zero issues since I switched.

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Dynamics CRM 3.0 Client-side Programming: DefaultValue

Posted on March 3rd, 2006 mitch  Print No comments

I was experimenting with the form control property .DefaultValue last night and found, much to my surprise, that it doesn't work.

From the CRM 3.0 SDK:

{Field}.DefaultValue 

Get/set property.

Specifies the default value for the field.

Ideally, you would put the following code into the Form OnLoad event:

/* if the form type is Create */ 

if(crmForm.FormType == 1)

   crmForm.all.new_myfield.DefaultValue ='Purple';

But, as I mentioned .DefaultValue doesn't work, so use the following:

/* if the form type is Create */ 

if(crmForm.FormType == 1)

   crmForm.all.new_myfield.DataValue ='Purple';

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