Compare Data SQL Server and ASP.net

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Hello, my name is nona, i wanna ask about how to compare data,
ex:

C#

system A               ||        system B

abcde|1|2000           ||        abcde|1|2000
abcdr|2|4000           ||        abcdr|2|4000

so, if we have a same data , there is a validate, but if we dont have a same data, we can show in the form if "data is not validate"

using sql server and asp.net
how the source code in asp.net ?

Thank you

Posted 18-Aug-13 17:26pm

nona12com

Updated 18-Aug-13 18:09pm

Thanks7872

v2

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Sergey Alexandrovich Kryukov 19-Aug-13 0:20am

Wow! Amazingly vague post. What "systems"? what's the problem?
—SA

nona12com 19-Aug-13 1:06am

hhahaha system means database . I was wrong wrote.
the value of database must be same.

core of my question is : how code to compare database in form asp.net, so we can get a validate data Smile | :)

*validate data if data in database A = data in database B

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_Asif_ · Answer 1 · 2013-08-18T19:06:00

Solution 2

you can use checksum feature to calculate checksum of data in both databases and at the end compare checksum values.

For further details about checksum do a google search using "Checksum C#"

Posted 18-Aug-13 19:06pm

_Asif_

LarryBrown · Answer 2 · 2014-02-02T23:36:00

Solution 3

I agree with others. If you want some help or need some more details, please check out this thread:

SQL Server database compare and sync tool (free)

Posted 2-Feb-14 23:36pm

LarryBrown