.NewRow() Error - An Item with the same key has already been added.

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.NewRow() Error - An Item with the same key has already been added.

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jsantos	jsantos posted 9 Years Ago HOT Topic Details Share Topic
Group: StrataFrame Users Posts: 26, Visits: 87	Hello, I am having an issue when calling .NewRow I get an error in the CreateShareAndAddBusinessObject function in BusinessBindingSource.vb (see attached image) Before calling the .NewRow in our code the CurrentRowIndex = -1 which I expect as the BO should be empty. Then as soon as I call .NewRow I get an exception. When the error is thrown index = 0 when it should be 1 according to loReturn where it looks like there is already one record and then the error makes sense. Any ideas?
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.NewRow() Error - An Item with the same key has already been added.

jsantos - 9 Years Ago

Hi JSantos, I your screenshot is not quite visible, it is always best...

Edhy Rijo - 9 Years Ago

Sorry about the image. Added attachment We are adding a new row...

jsantos - 9 Years Ago

Hi, Thanks for the image and yes, NewRow() is recommended for adding...

Edhy Rijo - 9 Years Ago

I have attached a screenshot of the code that I think you will see...

jsantos - 9 Years Ago

Howdy J, The CreateShareAndAddBusinessObject() method is called from...

StrataFrame Team - 9 Years Ago

By the way, calling .Add() calls .NewRow() internally. Calling .Add()...

StrataFrame Team - 9 Years Ago

I have also just tried using .Add and I get the same error in the same...

jsantos - 9 Years Ago

Hi Ben, Thanks for the information. So I put a break point on...

jsantos - 9 Years Ago

Yeah, that double call is what's causing the error. Will you send me a...

StrataFrame Team - 9 Years Ago

I thought I would do one better and provide the 2 call stacks in one...

jsantos - 9 Years Ago

OK, it looks like setting a value on the row is causing the...

StrataFrame Team - 9 Years Ago

Hi JSantos and Ben, One thing to keep in mind is that in your msd BO...

Edhy Rijo - 9 Years Ago

Yep, Edhy, the WPF ICollectionView and...

StrataFrame Team - 9 Years Ago

Yes, Ben you are right. I remember long time ago when I was starting...

Edhy Rijo - 9 Years Ago

Thanks both of you your help. Unfortunately neither suggestions...

jsantos - 9 Years Ago

OK so when I commented all filtering of the msd BO I get no error at...

jsantos - 9 Years Ago

Yes, there should be at least 1 record in the BO after .NetRow() if...

StrataFrame Team - 9 Years Ago

Ok more info. I stepped through the code in .NewRow() and actually...

jsantos - 9 Years Ago

Awesome!! So following both your comments it looks like this...

jsantos - 9 Years Ago

Woot! Glad you're fixed. Let us know when you need help on your next...

StrataFrame Team - 9 Years Ago

Hi JSantos, Ben, Wow it must have been a long night for you JSantos...

Edhy Rijo - 9 Years Ago

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