In my code, I need help to put result value into oList NorthwindDataContext db = new NorthwindDataCo开发者_Go百科ntext();
LINQ drives me crazy. Why does following query not return the duplicates, whereas it works with only one identifier? Where is my error?
Edit: Here is a much more simpler example of this issue (i\'ve deleted my original question): Dim numbers1 As New List(Of Int32)({1, 2, 3})
There\'s a table Category with a pk idCategory and a self-referencing foreign-key fiCategory. That means categories are \"main-categories\" whenfiCategory is null. If fiCategory links to another categ
I have quite a few places where I need to bind form controls directly to a backing database. I\'m using LINQ to DataSet to do this.
private string FindTaxItemLocation(string taxItemDescription) { if (!templateDS.Tables.Contains(cityStateTaxesTable.TableName))
Very frustrated here ... I can usually find an answer of some kind to complex issues in .Net somewhere on the net, but this one eludes me.
var query = from t1 in Table1 join t2 in Table2 on new { t1.Id } equals new { t2.Id} select new { t1.Id, t1.FirstName,
how to JOIN tables on nullable columns? I have following LINQ-query, RMA.fiCharge can be NULL: Dim query = From charge In Services.dsERP.ERP_Charge _
So, my problem is that I have a bunch of interrelated tables in my database. Now, according to what the user wants, I need to create different projections from them.
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