Unable to access data in an ASP.NET MVC web application using Entity Framework and SQL Server database
In an ASP.NET MVC web application, I have created the following entity:
sql
SQL connection string is not recognised and throws and exception in C#
CONTEXT: I am writing a WPF app. It works with a SQL Server database in which I put some data, concretely the strings Titulo and Descripcion, the int XP and the string fotoMision. When I click a button the program is supposed to save this data in the database.
How can I enhance my SQL Statement using the SUM function?
I am trying to SUM my UNUSED column (named UNUSED). The challenging part in this context here is, I have a COUNT function. The results are calculated correctly. But how can I add a SUM function in this statement? Appreciate any kind advice.
ASP.NET Tree View out of Sql Binding
I got a Categorie Table with a column for the Tree View in my Database which I want to display as a Tree View.
Select all distinct last records of column1 and order by column2 in Linq (Not Working Accordingly)
So I have a table like this:
Is there a good LINQ way to do a cartesian product?
I have a class structure like so:
Read SQL Table into C# DataTable
I’ve read a lot of posts about inserting a DataTable into a SQL table, but is there an easy way to pull a SQL table into a .NET DataTable?
Pass table valued parameter using ADO.NET
How to pass table valued parameter to stored procedure using ADO.NET?
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints
I make an outer join and executed successfully in the informix database but I get the following exception in my code:
Are Parameters really enough to prevent Sql injections?
I’ve been preaching both to my colleagues and here on SO about the goodness of using parameters in SQL queries, especially in .NET applications. I’ve even gone so far as to promise them as giving immunity against SQL injection attacks.