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{description}
{excerpt}Inserts a block of columns in the worksheet to the left of the specified column.{excerpt}
{signature:C#}
 public void InsertColumns(int columnNumber, int columnCount)
{signature}{signature:vb.net}
Public Sub InsertColumns(ByVal columnNumber As Integer, ByVal columnCount As Integer)
{signature}
{parameters}
{param:columnNumber}The 0\-based number of the column to insert.{param}
{param:columnCount}The number of columns to insert.{param}
{example}{code:csharp|title=C#}
ws.InsertColumns(3, 10);{code}
{code:vb.net|title=vb.net}
ws.InsertColumns(3, 10){code}

{example}