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How To check the reader object value is null or not when fetching data from database

1
suppose we have an CompanyId column which is an int type but when we has the null value means we dont have value for this and we want to loop through of each value of the reader object then it show DBnull exception how we can handle these null exception in web services using asp.net C# Please explain
Thanks
Mar 3 '15 #1
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