![How can i get the column index from lookup data table property. for example i used lookup tp find value at a particular cell in an excel, now i want to get How can i get the column index from lookup data table property. for example i used lookup tp find value at a particular cell in an excel, now i want to get](https://global.discourse-cdn.com/uipath/original/3X/0/7/07c9b1550cc0ff00b6fbe198eaebe3dbd3d6a4c0.png)
How can i get the column index from lookup data table property. for example i used lookup tp find value at a particular cell in an excel, now i want to get
![Lookup Data Table error - lookup column category the value for argument columnindex is not set or is invalid - Help - UiPath Community Forum Lookup Data Table error - lookup column category the value for argument columnindex is not set or is invalid - Help - UiPath Community Forum](https://global.discourse-cdn.com/uipath/optimized/3X/2/5/257362c13c1afc835310ffcaaae85be1209e6112_2_690x439.png)
Lookup Data Table error - lookup column category the value for argument columnindex is not set or is invalid - Help - UiPath Community Forum
![How to select all columns under lookup column propert in lookup data table activity - Academy Feedback - UiPath Community Forum How to select all columns under lookup column propert in lookup data table activity - Academy Feedback - UiPath Community Forum](https://global.discourse-cdn.com/uipath/original/3X/3/d/3d9d26663dfc23f322ee4860e83e7681ffcb1cf8.png)
How to select all columns under lookup column propert in lookup data table activity - Academy Feedback - UiPath Community Forum
![Lookup Data Table error - lookup column category the value for argument columnindex is not set or is invalid - Help - UiPath Community Forum Lookup Data Table error - lookup column category the value for argument columnindex is not set or is invalid - Help - UiPath Community Forum](https://global.discourse-cdn.com/uipath/optimized/3X/a/a/aa88917de10a1ca0d18a1721d7af682f7b240bf3_2_690x343.png)