Update sql using visual basic

Purpose: — Illustrates using Sql Command Update statement and checking the result. Imports System Imports System. Data Imports System.

WriteLine vbCrLf Console. Close Console. WriteLine "Connection Closed" Console. Open Console. Read 'reading from the datareader Console. VarChar, 10 nonqueryCommand. VarChar, 20 ' Prepare command for repeated execution nonqueryCommand. Parameters " FirstName".

Parameters " LastName". CommandText Console. Map Parameters UpdateCmd. CreateCommand nonqueryCommand. Main End Sub End Module. Related posts: VB. Tell us what you're thinking Name required.

Mail will not be published required. This blog uses the cross-linker plugin developed by Web-Developers. The statement has been terminated. Out of all the examples I looked at I am following the syntax closely. Ask a question. Quick access.

Search related threads. Remove From My Forums. Answered by:. Archived Forums. Visual Basic. Not for VB6 questions. Sign in to vote. Open LoadAdapt. FillSchema ds, SchemaType.

GetUpdateCommand LoadAdapt. Thursday, March 21, PM. The SelectCommand must also return at least one primary key or unique column. If none is present, an InvalidOperation exception is generated, and the commands are not generated. Start Visual Studio. Name it updateSQL. In the code you copied and pasted in step 2, modify the line of connect string code to properly connect to your SQL Server computer, as follows:. Save and execute the application. A console window will open up and display the following output:.

The output generated by the code sample 1 indicates that the logic for generating commands automatically for UPDATE statements is based on optimistic concurrency.

That is, records are not locked for editing and can be modified by other users or processes at any time. This is done to ensure that new data is not overwritten.