Hai,
I am a beginer in Developing ASP.NET webpage.
I want to restrict duplicates while uploading the excel data and to inform the user that the perticular cell in excel contains duplicate value which is already exist in Sql Database.(Dupli cates should be check in Excel (EMP_ID) against SQL (EMPLOYEE_ID)
SQL DATABASE
Table : Employees
FiledName:EMPLO YEE_ID
Excel DATABASE
Sheet: Sheet1
Column: EMP_ID
Message should display as:user cannot upload the data to with duplicate values. Kindly remove the duplicate fields and re-upload.
Kinldy provide me the complete code in VB.
Regards,
T.S.AnanthaRama m
1  3688  kadghar 1,295
Recognized Expert Top Contributor
Ah?
Sure, how are you reading the Excel Book and uploading it into your SQL Server?
I can imagine something like:
Temporaly upload the file to your server, then createObject(ex cel.application ) to read it and put the worksheet into an array (variant, object or whatever).
Then open an SQLConnection and fill the existing data into another array (dataset or whatever).
Then make the match with a couple of FORs.
Finally upload the info to the SQLServer or reject the file... and delete the temp file.
Anyway, if you can provide the way you're doing this, perhaps it'll be easier to simply add a couple of lines to your code.
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