I am working on a .NET 4 project. Recently a column was added to a table \"T\" and after that all of the associations of other tables with table T are lost (any table that had a foreign key from table
how can I translate this to Linq to SQL I want to get all message responses (mr) but for each number in mr I only want messages that were received after 开发者_如何学JAVAthe 1st message (m) was sent
I have a datagridview in which the first column is a Foreign Key and part of the Primary key of a table (Linq2sql). I use a combobox for selecting a proper Foreign Key value.
I have the following WPF markup <ComboBox x:Name=\"realmComboBox\" DisplayMemberPath=\"Name\" SelectedValuePath=\"Name\"
table:UserTypes Fields:row,name,Type This code is not working: Int64 row = 1; var myType = (from b in dc.UserTypes where b.Row == user.Rowselect b).Single();
I\'m getting the error [nullable object must have a value] And it\'s point at the following part of the code
I am using IQueryable<T> interface. How can I translate the follow开发者_如何学运维ing sql statement to IQueryable?
I\'ve got my model updating the database according to some information that comes in in the form of a Dictionary. The way I currently do it is below:
I have an ASP.NET MVC application where I\'m displaying a list of Products. // Product Controller public ActionResult开发者_如何学编程 List(string sort, int page)
I just starting learning, testing ADO.net Entity Data Models with MySql - everything is going fantastic except i\'ve noticed one thing..