Error creating System.Type from string "System.Int32"

Question

On a web site I published (pre-compiled) last night, I get the following error. Before pre-compiling it, I was getting a compiler error that a User Control was not found. After compiling on another machine, and running, I get the following Parser error:

"Cannot create an object of type 'System.Type' from its srting representation 'System.Int32' for the 'DataType' property"

was the, now runtime, parser error I got. The offending tag is telerik:RadNumericTextBox .... DataType="System.Int32"...

I emphasise again that this error only occurs on XP SP2, not on Vista and Win7. I'm off to do some Googling and issue logging at Telerik.

Added telerik tag since this looks telerik specific.

Richard
– Richard

2009-04-08 10:16:57 +00:00
Commented Apr 8, 2009 at 10:16 — Richard
– Richard, Commented Apr 8, 2009 at 10:16
Thanks, I didn't stop to think that there was one.

ProfK
– ProfK

2009-04-08 12:01:41 +00:00
Commented Apr 8, 2009 at 12:01 — ProfK
– ProfK, Commented Apr 8, 2009 at 12:01

Dick Lampard · Accepted Answer · 2009-04-08 11:00:37Z

1

I had this problem in one of my projects and it disappeared when I moved to the latest release Q1 2009 SP1.

Dick

answered Apr 8, 2009 at 11:00

Dick Lampard

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1 Comment

brentlightsey Over a year ago

I upgraded the DLL Telerik.Web.UI.dll to the 2009 Q2 controls (version 2009.02.0701.20) and the build errors were resolved.

ProfK · Accepted Answer · 2009-04-09 17:40:33Z

1

The base of this problem isn't just Telerik, but ASP.NET not being able to interpret the string representation. I just tried this on a small test project, with no Telerik, and I get the same error.

This is not to say the haven't fixed it, but I would be impressed to see how they did. It is easily done with two properties, one that takes a string and gets a type from it, and sets the actual type property, but that gets messy.

answered Apr 9, 2009 at 17:40

ProfK

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Comments

jerryjvl · Accepted Answer · 2009-05-29 05:53:09Z

0

My guess would be that there is a GetType-type-of-resolution somewhere inside Telerik that is failing. It may be worth trying adding the assembly name to the string if this happens
e.g.: "System.Int32, mscorlib" ...

answered May 29, 2009 at 5:53

jerryjvl

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