how to bind a datasource with webgrid

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C#

@{var grid = new WebGrid((IEnumerable<dynamic>) Model);

@grid.GetHtml(columns:grid.Columns(grid.Column("Name","Given Name")))

the abobe code is in in the docket.cshtm file.( mvc 3 razor view)

a datasource should be bound before this performance. How do i do it... what is the exact code.