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hello programmers, got a problem here. as you see ive put on my page crystalreportviewer and crystalreportsource(ive configure it based on smart tag). My problem is when i run it an error show
Logon failed. Details: crdb_adoplus : Object reference not set to an instance of an object. Error in File C:\DOCUME~1\oca14625\LOCALS~1\Temp\CrystalReport {25FFDA87-C72B-4878-BF3B-4774472741F0}.rpt: Unable to connect: incorrect log on parameters.
dont know what it means and i am a newbie in crystal reports. Plss help me
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All of the gives wrong direction.

i will tell you true that error is not solve by any one. because of this error comes when report using graft. That's why that is some limitation of crystal report record is more then the graft display.

If you remove this error massage then remove the graft from the .rpt file.
You do't get this error.
 
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Its not a error. Your report can run after that. In crystal Report firsttime login instance set blank. so it shows that message.
 
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