Xamrain.form sqlite update table

Question

0.00/5 (No votes)

See more:

Greeting everyone i'm trying to update table by increases qty from xamrain.form so i'm using markup c#
anyway i try to update but i got error message

Quote:
The name 'x' does not exist in the current context

x mean

Quote:
Where(x.BarcodeST

in this code below

What I have tried:

StocktakingTB stocktaking = db.Table<StocktakingTB>().Where(x.BarcodeST == 1).Select(x => x.QTYST);
stocktaking.QTYST += 1;
db.Update(stocktaking);

Posted 8-Jul-20 23:13pm

mohammed mqi

Updated 8-Jul-20 23:18pm

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Chris Copeland · Answer 1 · 2020-07-08T23:18:00

Solution 1

The Where method expects a function where the parameter is the object instance. If you compare what you've written in your Select method to this method, you can see that you've forgotten to declare the parameter as x =>

Lambda expressions - C# Programming Guide[^]

Posted 8-Jul-20 23:18pm

Chris Copeland