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insertColumns(contents [, refColumn] )
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Parameters
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TableRectanglecontents
The contents of this rectangle is copied into the new columns. This rectangle must be as high as the grid. Its width determines the number of columns inserted.
TableColumnrefColumn
[optional] The column before which the new columns are to be inserted. If null the new columns are inserted as the last columns in the grid.
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Returns
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void
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Throws
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TableException
INVALID_PARAMETER_ERR: Raised if the refColumn is not in this grid or if the table model doesn't allow a column to be inserted.
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