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ASPxClientGridView.GetColumnByField(columnFieldName) Method

Returns the client column which is bound to the specified data source field.

Declaration

GetColumnByField(columnFieldName: string): ASPxClientGridViewColumn

Parameters

Name Type Description
columnFieldName string

A string value that specifies the name of the data source field to which the column is bound (the column's GridViewDataColumn.FieldName property value).

Returns

Type Description
ASPxClientGridViewColumn

An ASPxClientGridViewColumn object that represents the client column bound to the specified data source field.

Examples

using System;
using DevExpress.Web.ASPxMenu;
using DevExpress.Web.ASPxGridView;
using DevExpress.Web.ASPxClasses;

public partial class _Default : System.Web.UI.Page {
    protected void Page_Load(object sender, EventArgs e) {
        if(!IsPostBack)
            CreateMenuItems();
        UpdateMenuState();
    }

    protected void CallbackPanel_Callback(object source, CallbackEventArgsBase e) {
        if(e.Parameter.StartsWith("toggle")) {
            string name = e.Parameter.Substring(7);
            GridViewColumn column = Grid.Columns[name];
            if(column == null)
                return;
            column.Visible = !column.Visible;            
        }        
    }

    void CreateMenuItems() {
        for(int i = 0; i < Grid.Columns.Count; i++) {
            GridViewColumn column = Grid.Columns[i];
            GridViewDataColumn dataColumn = column as GridViewDataColumn;
            PopupMenu.Items.Add(dataColumn != null ? dataColumn.FieldName : "#", dataColumn.FieldName);
        }
    }

    void UpdateMenuState() {
        for (int i = 0; i < Grid.Columns.Count; i++) {
            MenuItem item = PopupMenu.Items[i];
            GridViewDataColumn column = Grid.Columns[i] as GridViewDataColumn;            
            item.GroupName = column.FieldName;
            item.Checked = column.Visible;
        }
    }

}
See Also