May I Know The Possible Ways Of Getting Error Coverting Nvarchar To Numeric

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May i know what are the possible ways of getting error "Coverting Nvarchar to Numeric.MethodName". I've no FrontEnd Source Code for that but i've it's db. I checked the stored procedure and Table structure. I checked the Column size and types as well. In stored procedure all the parameters are having similar Types,Size of the table. Still it's raising issue. when im executing relevant stored Procedure manually then data is inserting to the Database. For my present source everything working fyn. But For other source wen im running the application it's raising runtime error as like as that.

Posted 20-Oct-15 19:19pm

JanardhanSharma

Updated 20-Oct-15 19:21pm

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OriginalGriff · Accepted Answer · 2015-10-20T20:02:00

Without seeing the code that generates the error we can't be at all specific.
But...normally this is a data / database design problem: you are storing a numeric value in a string field and at some point when you try to convert it to a numeric value at least of of the cells in your database contains bad data. It may be that the user made a mistake and you don't check your inputs, so you are trying to convert "zero" to an integer. It may be that he just mistyped: "1O23" instead of"1023".

Change your DB: store numeric values in numeric fields. Store dates and times in DATETIME. Don't just store all data in NVARCHAR(MAX) fields.