Remove dublicates issue

Question

1.00/5 (3 votes)

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C#

SqlConnection con = Tools.Baglanti; 
            SqlDataAdapter adapt = new SqlDataAdapter("WITH CTE (Name,SurName,Tckn,Email, DuplicateCount) AS ( SELECT Name, SurName, Tckn, Email, ROW_NUMBER() OVER(PARTITION BY Name, SurName, Tckn, Email ORDER BY Id) AS DuplicateCount FROM Employees ) DELETE FROM CTE WHERE DuplicateCount > 1", con);

What I have tried:

there is a problem with my code that I cant find where it is ?
command text is working on sql but not in c#

Posted 11-Sep-16 12:58pm

Ozgur ACAR

Updated 11-Sep-16 20:33pm

Maciej Los

v2

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David_Wimbley 11-Sep-16 19:11pm

You need to post your error/exception you are getting. Saying it isn't working isn't helpful for you or those trying to help you.

The only tips you're probably going to get are to use breakpoints/your debugger to step through your code and figure out what is happening.

[no name] 11-Sep-16 20:52pm

Considering that we do not have your database, your data, your code or see your screen, what is it exactly that you would expect us to do with these 2 lines of code? Especially when you didn't tell us what the "problem" was. We are not mind readers.

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Maciej Los · Answer 1 · 2016-09-11T20:33:00

Such of code should be writen as a stored procedure[^]. Then you'll be able to call it from client side. Use SqlCommand.ExecuteNonQuery Method (System.Data.SqlClient)[^] for CRUD[^] operation.

For further details, please see:
Walkthrough: Creating a simple data application by using ADO.NET[^]
How to call stored procedure[^]
How to: Execute a Stored Procedure that Returns Rows[^]