Readme.md

Grid View for ASP.NET Web Forms - How to use a list box editor to save and restore client layout

This example demonstrates how to handle the grid's ClientLayout event to save and restore the grid's client layout. The modified layouts are added to a list box editor.

Overview

The main idea is to handle the grid's server-side ClientLayout event to save the modified client layout to a Dictionary<string, string> and add the layout to a list box editor. Then, a user can choose the layout from the editor and apply it to the grid.

protected void Grid_ClientLayout(object sender, ASPxClientLayoutArgs e) {
    if (e.LayoutMode == ClientLayoutMode.Saving && isSaveLayout) {
        string key = DateTime.Now.ToString();
        string layout = e.LayoutData;
        Dictionary<string, string> dictionary = Session["layout"] as Dictionary<string, string>;
        if (!dictionary.ContainsValue(layout)) {
            ListBox.Items.Add(key, layout);
            dictionary[key] = layout;
        }
        else {
            Session["selectedLayout"] = layout;
        }
        Session["layout"] = dictionary;
    }
}

Files to Review

• Default.aspx (VB: Default.aspx)
• Default.aspx.cs (VB: Default.aspx.vb)

Documentation

• Save and Restore Client Layout

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