How do sum varchar column

Question

1.00/5 (1 vote)

See more:

SQL-Server-2008

i have 2 columns in table are

column name datatype is varchar
column Amount is nvarchar

Name Amount
Karthikeyan R 11
Karthikeyan R 51
Mohammedhussain T M 19
Mythili V 37
Rangaraj C 145- $4358.14

i want sum the amount against name.plz help me

What I have tried:

and i need resut below

C#

Name	Amount
Karthikeyan R	62
Mohammedhussain T M	19
Mythili V	37
Rangaraj C	145- $4358.14

Posted 16-Dec-16 23:40pm

Nataraj Pandiyan

Updated 17-Dec-16 0:38am

Add a Solution

2 solutions

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)

Peter Leow · Answer 1 · 2016-12-16T23:55:00

No can do. How do you expect to sum 145- $4358.14? In the first place, why is amount of type nvarchar? It defies common sense. Every field in a database table must have the correct data type that befits the purpose, interpretation, and usage of its data.
Change it to the correct data type that it is meant to be by referring to SQL General Data Types[^], otherwise you will encounter absurd situation such as this that results in awkward SQL manipulation which is very inefficient and unnecessary.
If the data type is correct, you can get what you want easily:

SQL

SELECT name, SUM(amount) FROM tablename GROUP BY name

abhishekchadha · Answer 2 · 2016-12-17T00:38:00

Solution 2

you can cast the column

C#

sum(CASE WHEN ISNUMERIC(Amount)=1 THEN CAST(CAST(amount AS float) AS INT)END )

Refer this -
SQL Query to sum nvarchar value[^]

Posted 17-Dec-16 0:38am

abhishekchadha