DataGridViewColumnCollection.Add Method (String, String)
Adds a DataGridViewTextBoxColumn with the given column name and column header text to the collection.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The associated DataGridView control is performing one of the following actions that temporarily prevents new columns from being added:
This method is being called from a handler for one of the following DataGridView events:
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.