While working with SqlDataAdapter we always use select operation as it is used like a buffer for storing and retrieving data. But what if we want to perform any crud operation like insert update ...

DataSets and DataTables You create an instance of a DataSet by calling the DataSet constructor. Specify an optional name argument. If you do not specify a name for ...

Using CommandBuilder there are some problems with type errors such as Npgsql.PostgresException: 42883: operator does not exist: boolean = integer The problem is solved by setting the property ...

jeg kan godt edit og delete i mit formview, men når jeg skal til at insert noget skriver den det her: You tried to assign the Null value to a variable that is not a Variant data type. Description: An ...

I have written an application that takes in a fixed-width file (thanks in no small part to advice I recieved in a seperate thread) and then dissasembles each line, runs a fairly meaty SQL SELECT query ...

Hey guys, I have 4 sums that I need to insert into a database. 3 of the sums are based on the type of question (matching, multiple choice, fill in the blank) and not every test employs all 3 types of ...