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ssrs data field error

could not create a list of fields for the query verify that you can connect to the data source and your query syntax is correct.

AFTER CLICKING DETAILS BUTTON FOLLOWING IS DISPLAYED
 An item with same key has already been added
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sqlcurious
Asked:
sqlcurious
1 Solution
 
TempDBACommented:
This looks to me like a problem with connection. Are you able to query a simple select using the datasource?
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sureshbabukrishCommented:
i think some the columns are having same name in the query and hence the issue, please use alias names for columns which are computed .

and see whether u r selecting same columns from diff tables having same name, try to give different alias names to them.
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sqlcuriousAuthor Commented:
i got the answer i have some columns with the same name

thanks
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