I want to check in the data table(Globalsheet) column exist
or not through script .If column not exist only proceeded
to next step Pls tell me how to proceeded?
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Answer Posted / drew
Answer 1 is good if you don't have a lot of data to write to
the data table. I sometimes have 20 columns to write to and
to check for the column each time before writing the data
can take 2 or more seconds each (40 seconds for the entire
row)...way to long if doing a repetitive task.
Answer 3 won't work because you will get a QTP error on the
line "Val = DataTable("UserId", dtGlobalSheet)" if the
column doesn't exist. But you can use that error to make a
very speedy function to find out if the column exists:
If COM_DoesDataTableColumnExist("Global","Column1") Then
''Column Exists
Else
''Column Does Not Exist
End If
Public Function COM_DoesDataTableColumnExist(ByVal
strSheetName,ByVal strColumnName)
Dim blnReturnValue
Dim strTestColumn
Err.Clear
On Error Resume Next
strTestColumn =
DataTable.GetSheet(strSheetName).GetParameter(strColumnName).Name
If Err <> 0 Then
blnReturnValue = False
Else
blnReturnValue = True
End If
Err.Clear
COM_DoesDataTableColumnExist = blnReturnValue
End Function
| Is This Answer Correct ? | 21 Yes | 5 No |
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