Datatable header inserting error

[Prashanth]

Hi i am using this code for inserting header of a webtable into datasheet

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Code:

datatable.AddSheet("TempStatusHold")
           clcnt=Browser("name:=****").page("title:=****").WebTable("class:=dataGrid").ColumnCount(1)

     For i=1 to clcnt
     columnHeader=Browser("name:=****").page("title:=****").WebTable("class:=dataGrid").GetCellData(1,i)        
      datatable.GetSheet("TempStatusHold").GetParameter(i).Value=columnHeader
      next

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The above code is throwing below error

The Sheet.GetParameter operation failed. The specified parameter index value: "1" does not exist in the data sheet.

Line (7):

Code:

"datatable.GetSheet("TempStatusHold").GetParameter(i).Value=columnHeader".

Same code in other function is working fine but how come it is not working in a new test,