How to insert null value in textbox if field is empty in integer datatype

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C#

ASP.NET

LINQ

I want to enter null value in sql if textbox field is empty.
what can i do.

Posted 27-Feb-12 1:01am

piushshukla

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Technoses 27-Feb-12 8:09am

which language u r using
write code how u work with??

Sergey Alexandrovich Kryukov 27-Feb-12 20:22pm

Not a question.
--SA

3 solutions

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#realJSOP · Answer 1 · 2012-02-27T01:13:00

Solution 3

Try DBNull.Value.

Posted 27-Feb-12 1:13am

#realJSOP

Comments

piushshukla 27-Feb-12 7:16am

DBNull.Value is not working..

piushshukla 27-Feb-12 7:16am

@ Sudip I want to this on code behind

Sudip Saha · Answer 2 · 2012-02-27T01:08:00

Solution 1

do in database where u want set the textboxvalue to the column,

set below case there

(CASE WHEN @textBoxValue=''
      THEN NULL
      ELSE @textBoxValue
    END)

Posted 27-Feb-12 1:08am

Sudip Saha

Member 8570559 · Answer 3 · 2012-02-27T01:10:00

Solution 2

u can pass the column value as null for sql query without single quotation...

Posted 27-Feb-12 1:10am

Member 8570559