How can I compare the same columns in the db table and C # excel file?

Question

0.00/5 (No votes)

See more:

If there is a difference, I want to check this difference with if else.
If there is a difference, I want the database not to insert.
So I want the following code field not to be added if there is a difference.
How do I check.

What I have tried:

Excel and database compare two table.

Posted 9-Jun-19 8:24am

Student_Engineer

Updated 9-Jun-19 17:55pm

v2

Add a Solution

Comments

Rahul VB 9-Jun-19 15:30pm

your question is not clear. Do you mean that you read every value from the student Id column and every value from the excel sheet containing student id column and compare them?

[no name] 9-Jun-19 15:37pm

Hello.Yes compare db and excel file.So, READDB database table
I want to compare StudentNameRecord (ID) with the exclusion (ID), and if there is no difference, I want to add the exceli to the Students table.
If there is a difference, I want the following code field not to add.

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)

Gerry Schmitz · Answer 1 · 2019-06-09T13:13:00

Solution 1

Load the excel file INTO A TEMPORARY DB TABLE; compare and update the target table based on your criteria.

Posted 9-Jun-19 13:13pm

Gerry Schmitz