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pallavi
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Ultra Web Calc manager throws an error when changing the cell value in webgrid
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Hi ,

 I am binding a webgrid with a SQL Datasource.I used  web calc manager to calculate sum for one column at the footer .Its working fine.But when i am changing the value of the cell and click the refresh button it shows the following error

The reference implementation type, [Infragistics.WebUI.UltraWebGrid.UltraCalc.NestedFooterReference], with absolute name [//UltraWebGrid1/_Band_0/hours()], was found on the recalc chain without a Formula. Please ensure the Formula returns a non-null implementation of IUltraCalcFormula before the reference is marked dirty.

Can anyone please send me the solution.Thanks in advance.

Regards,

Pallavi.