Grid View for ASP.NET MVC - How to implement custom buttons in the status bar in batch edit mode

This example demonstrates how to implement a status bar template to replace default command buttons with custom buttons when the grid is in batch edit mode.

Overview

Follow the steps below:

1. Call the grid's SetStatusBarTemplateContent method, add custom command buttons to the template, and handle their Click events.

   settings.Styles.StatusBar.CssClass = "StatusBarWithButtons";
   settings.SetStatusBarTemplateContent(c => {
       Html.DevExpress().Button(button => {
           button.Name = "btnPrevChanges";
           button.Text = "Preview changes";
           button.ClientSideEvents.Click = "OnPreviewChangesClick";
           // ...
       }).Render();
   
       Html.DevExpress().Button(button => {
           button.Name = "btnSave";
           button.Text = "Save changes";
           button.ClientSideEvents.Click = "function(s, e){ GridView.UpdateEdit(); }";
           // ...
       }).Render();
   
       @Html.DevExpress().Button(button => {
           button.Name = "btnCancel";
           button.Text = "Cancel changes";
           button.ClientSideEvents.Click = "function(s, e){ GridView.CancelEdit(); SetButtonsVisibility(GridView); }";
           ...
       }).Render();
   });

   function OnPreviewChangesClick(s, e) {
       if (isPreviewChangesVisible) {
           s.SetText("Show changes");
           GridView.batchEditApi.HideChangesPreview();
       }
       else {
           s.SetText("Hide preview");
           GridView.batchEditApi.ShowChangesPreview();
       }
       isPreviewChangesVisible = !isPreviewChangesVisible;
   }
   function OnCustomButtonClick(s, e) {
       if (e.buttonID == "deleteButton") {
           s.DeleteRow(e.visibleIndex);
           SetButtonsVisibility(s);
       }
   }

2. Handle the grid's BatchEditEndEditing event to change the custom button visibility. In this example, custom buttons imitate the behavior of default buttons:

   • The buttons are hidden when the grid has no changes.
   • The Preview changes button changes its text to Hide preview when clicked.

   function OnBatchEditEndEditing(s, e) {
       window.setTimeout(function () { SetButtonsVisibility(s); }, 0);
   }
   function SetButtonsVisibility(s) {
       var statusBar = s.GetMainElement().getElementsByClassName("StatusBarWithButtons")[0].getElementsByTagName("td")[0];
       if (!s.batchEditApi.HasChanges())
           statusBar.style.visibility = "hidden";
       else
           statusBar.style.visibility = "visible";
   }

Files to Review

• _GridViewPartial.cshtml (VB: _GridViewPartial.vbhtml)
• Index.cshtml (VB: Index.vbhtml)

Documentation

• Batch Edit Mode

More Examples

• Batch Editing
• GridView for Web Forms - How to implement custom buttons in the status bar in batch edit mode

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