A data source instance has not been supplied for the data source“Product_Detail” in Microsoft reporting service

Question

I`m trying to display record in a Report. Data is in the Dataset. but it is not binind to them. When forms load it shows it report layout. But when i click on the button it show

Answer 1

There was two dataSet created in my rdlc file by default(don't know the reason). Opened RDLC file through notepad and deleted the datasource which was not needed. The values were getting assigned two times to two different dataset. Hope this may help you.