verror - Developer IT

Coloring even heighten columns

- by verror

I try to set different a background colors for left and right columns and to maintain the same height. So I set a background color for outer wrapper ("container" div) so it will set a color to rightBar. But this didn't work. Online Demo I want it to work on all browsers. Markup: <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"…

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Entity Framework ObjectContext re-usage

- by verror

I'm learning EF now and have a question regarding the ObjectContext: Should I create instance of ObjectContext for every query (function) when I access the database? Or it's better to create it once (singleton) and reuse it? Before EF I was using enterprise library data access block and created instance of dataacess for DataAccess…

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Entity Framework model and foreign key property

- by verror

I have 2 tables that I import to EF model. First table has a property [section] that acts as foreign key to the second table. When I map this property in model to the table and try to compile I get this error: Problem in Mapping Fragments starting at lines 158, 174: Non-Primary-Key column(s) [Section] are being mapped in…

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Linq-to-Entities Dynamic sorting

- by verror

This is my query, how can I use string as orderby parameter? string sortColumn="Title"; var items = (from ltem in ctxModel.Items where ltem.ItemID == vId orderby //something here select ltem).Skip(PageSize * PageIndex).Take(PageSize);

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