How to select all checkboxes when check header checkbox of grid

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MVC

In Grid I have taken checkbox in first column. I want to select all checkboxes on check of header checkbox. I am using Grid. Mvc and bootsrap. How to do it?

//my code 
@Html.Grid(Model).Columns(columns => {
 columns.Add().Titled("<input name="allChk" type="checkbox" /> " ) .Encoded(false).Sanitized(false).SetWidth(30).RenderValueAs(o =>Html.CheckBox("checked" , false, new { name = "selectedIds" , value = o.pk_id, OnClick = "selectedCheckbox(this," + o.pk_id + ")" }));
 columns.Add(c=>c.title).Titled("Title").Sortable(true).Filterable(true);
   columns.Add(c =>c.date).Titled("Date").Sortable(true);
   }).WithPaging(2).Sortable(true);
}