and how do you use represent?
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what would it then returned the System.Object and then you checked, and what are the parameters passed and what the object on the basis of this work?
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Don't you think that you are the way to go.
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But on the merits I will say the following: the designer is restricted with dynamic queries, complex hranimoj — works, this limitation is not as simple sposobami not do. but you have always the possibility to tweak all hands in .designer.cs that would explicitly specify the data type.
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but, again, at the slightest attempt to use the designer code will be returned in the original condition and the repair will have to make again.
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but... and there are games with partial fnctions