Updating dataset from datagrid iranian dating visitor member directory
A Data Set is an in-memory data store that can hold numerous tables.Data Sets only hold data and do not interact with a data source.In Lesson 4, we learned about how to read data quickly an let go of the connection with the Sql Data Reader.This Lesson shows how to accomplish something in-between Sql Connection and Sql Data Reader interaction by using the Data Set and Sql Data Adapter objects.The Data Grid is used to display data in the HTML page.
If I simply add a new column to my data model, is that what i really have to do to see the changes?
In the save button i`ve putted the code : Using con As New Sql Connection("Data Source=.\SQLEXPRESS; Attach Db Filename=H:\Projects\Windows Application1\Windows Application1\Database1.mdf; Integrated Security=True; Connect Timeout=30; User Instance=True") Try con.
Open() Try Using my Command As New Sql Command("INSERT INTO Produse (Nume , Pret , Cod) VALUES (@Nume, @Pret, @Cod)") my Command.
I have faced a very common problem of cross thread exception.
I read the other threads but i didn`t understood and none of the codes worked. I have 1 form with a Data Grid View bounded to the table Produse and 3 texboxes and 1 Save button.
I have designed this application with Sql Command Builder because I have some questions about using Sql Command Builder.