PrintPreviewControl throws NullReferenceException when it is in the GridView Print example. 

The cursor position is changed when one clicks in the middle of a formula. The cursor is moved to the end of the text. 

One cannot reference another sheet in a formula by using the UI 

When certain files are imported, an exception with message" is invalid column name" is thrown.

The series is not drawn correctly. The data points are drawn over the same XValue.

Bubble charts are created differently than the way it is in Excel. In excel the data point data is read vertically and in RadSpreadsheet - horizontally.

When the selection contains a certain combination of text and numbers, the charts dialog throws an exception upon opening.

Selecting multiple columns that are not necessarily next to each other leads to incorrect chart series categories. Having the same columns next to each other and selecting all of them with single selection results in a correct chart. Make it possible for the user to make multiple selections and create charts based on them.

The EqualToRule does not work the same way in Excel and RadSpreasheet. 

When using string values with this rule, Excel requires using quotes while in RadSpreadsheet the quotes are interpreted as part of the value.  

When Bulgarian culture is set and a document with a chart is imported, NullReferenceException is thrown.

Escape key does not close the Insert Chart dialog.

Right borders are not rendered correctly when there is no value. 

Add formula error checking like in Excel

Exporting merged columns to PDF creates unnecessary pages. The created file contains more than 8 MB in size and empty pages. It should create only one page as done in MS Excel.

Selected merged cells jump to the bottom of the selection when it goes outside the visible area.

Selecting the whole column and then opening the Charts dialog makes the app hang

Spreadsheet :Export/Import of merged cells from several columns leads to - 'A' is invalid row name error