RadicalWacko February 12th, 2009
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RadicalWacko February 11th, 2009
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RadicalWacko February 10th, 2009
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RadicalWacko February 9th, 2009
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RadicalWacko January 31st, 2009
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RadicalWacko January 30th, 2009
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RadicalWacko January 29th, 2009
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RadicalWacko January 29th, 2009
I just ran into an irritating little problem with using TryParse when assigning to nullable object. The following is the code I was using to assign a value from a ASP.NET dropdown list to a nullable Int32 variable:
If Int32.TryParse(ddlExample.SelectedValue, testobj.TestNullableInt32 )Then
testobj.TestDescription = ddlExample.SelectedItem.Text
End If
Apparently, TryParse actually attempts to access the value of the object to which it attempts to assign the parsed value which can cause an InvalidOperationException when it attempts to retrieve the value of the nullable object. So make sure to assign the parsed value to a regular type before assigning it to a nullable object. Oh yeah, I know it’s VB.NET code, but I do what the client wants.
RadicalWacko January 28th, 2009
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RadicalWacko January 27th, 2009
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