I have an update trigger on the table I'm updating and when I run my update I get the "Subquery returned more than 1 value. I thought I would try modifying my update rather than my trigger because it seems that this situation should normally not occur.
In other words only one record should normally be updated at a time. Here is what I'm using but I get the error because of the multiple rows to update. Or would it be easier to change my trigger to handle multiple row updates?
If this is the case, would I use a cursor to loop through the updated records? AVOID putting cursors in triggers. To handle multi-record transactions, your trigger should make use of the virtual "inserted" and "deleted" tables.
Writing triggers that can only handle single-record transaction is, in my opinion, one of the worst coding transgressions anyone can make. This trigger checks new items for this as they are added and lets us know if they are not.
I'm not sure what to do. I'm using inserted and deleted but how do you handle multiple records? The flow works successfully as below:. May I have a code snippest for the same? Posted: 1 week ago To do a conditional update depending on whether the current value of a column matches the condition, you can add a WHERE clause which specifies this. The database will first find rows which match the WHERE clause and then only perform update s on those rows.
This person is a verified professional. Verify your account to enable IT peers to see that you are a professional. Next: Tracing which device or program is using a wrong Posted: 5 days ago Second, assign a new value for the column that you want to update.
How will i pass an array or string of values with a separator and fill in those null value Posted: 1 day ago MS Access Functions. Net Application. Here in this post I have done this easily following these simple steps. September 20, December 23, If a cursor definition has a query with multiple tables then only the table used in update statement is affected. The output of above query is shown below. Please Sign up or sign in to vote. SQL -Server. When we want to store data we need to insert the data into the database.
In this article, we see how to insert individual as well as multiple rows in a database using We have control table which will be useful whether we need to start the job or not. Add "ProductName" , typeof string ; dt. Add "CostPrice" , typeof int ; dt. ToInt32 GridView1. FindControl "lblproductname". FindControl "txtcostprice". FindControl "txtsellprice". Equals string. Close ; ds. RegisterClientScriptBlock this. Write e. For the first time when you run this application you will see the following.
Whereby all the records have zero for the cost and sell price. Now if a user wants to update all the rows on a single click event he just needs to put the values in the desired textboxes and on a single click his data will be updated through stored procedure which we created during this session. To test the functionality enter some values in the textboxes and click on the update button. And your records are updated??? The 2nd way of updating the data is by using a DataAdapter.
I'm taking the same form for the application and the same database. Design the same application following the source code.
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