How to allow the null value in the SQl through the Application

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How to allow the null value in the SQl through the Application .Hi all I import the excel file in data grid view. In the excel file having Records in date and time format, if any cell of record is null how to save the record, while I am save the record it’s showing the Error “String was not recognized as a valid Date Time”

Posted 4-Feb-13 20:37pm

DhananjayanP

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Mantu Singh 5-Feb-13 3:34am

are null values allowed on the date column of the database..........

2 solutions

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Kiran Susarla · Accepted Answer · 2013-02-04T20:41:00

Solution 1

Use DBNull.Value. This will insert the null value wherever required.

Posted 4-Feb-13 20:41pm

Kiran Susarla

Naveen.Sanagasetti · Accepted Answer · 2013-02-04T20:46:00

Solution 2

In page wise you check the condition

C#

if(excel_col == "NULL")
   // passign "null" as a parameter in that column

Posted 4-Feb-13 20:46pm

Naveen.Sanagasetti