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983001: Changes in the undo/redo and worksheet files. #1440

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983001: Changes in the undo/redo and worksheet files.
Yazhdilipan-SF5086 Sep 23, 2025
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983001: Update the review Changes
Yazhdilipan-SF5086 Sep 30, 2025
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Yazhdilipan-SF5086 Sep 30, 2025
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18 changes: 13 additions & 5 deletions Document-Processing/Excel/Spreadsheet/Blazor/undo-redo.md
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Expand Up @@ -7,9 +7,17 @@ control: Spreadsheet
documentation: ug
---

# Undo and Redo in Blazor Spreadsheet component
# Undo and Redo in Blazor Spreadsheet Component

The **Undo** and **Redo** functionality in the Blazor Spreadsheet component allows users to easily reverse or reapply recent actions. It maintains a history of spreadsheet operations, encouraging experimentation with data and formatting while preserving the ability to restore previous states. All major operations are supported, including cell editing, formatting, structural changes, and data manipulation. The keyboard shortcuts - **Ctrl + Z** for Undo and **Ctrl + Y** for Redo - provide quick access without interacting with interface elements.
The **Undo** and **Redo** functionality in the Blazor Spreadsheet component allows users to reverse or reapply recent actions. It maintains a history of spreadsheet operations, encouraging experimentation with data and formatting while preserving the ability to restore previous states.

Undo and Redo are supported for most common operations, including:
* Cell editing and formatting
* Structural changes (e.g., inserting or deleting rows/columns)
* Data manipulation (e.g., sorting and filtering)
* Resizing rows and columns

The keyboard shortcuts **Ctrl + Z** for Undo and **Ctrl + Y** for Redo provide quick access without requiring interaction with the user interface.

N> The undo and redo history is limited to **25 operations** to optimize memory usage; once this limit is reached, older actions are automatically discarded. Additionally, the history is cleared when worksheet protection is enabled.

Expand All @@ -28,9 +36,9 @@ N> The **Undo** button is automatically disabled when there are no reversible op

The **Redo** operation reapplies an action that was previously undone, allowing end users to move forward through the operation history and restore both data and interface states. Redo actions can be performed via the user interface in the following ways:

* Click the **Redo** button located in the **Home** tab of the **Ribbon** to reapply the most recently undone operation.
* Use the keyboard shortcut **Ctrl + Y** for quick access to redo the last undone action.
* Click the **Redo** button located in the **Home** tab of the **Ribbon** to reapply the most recently undone operation.
* Use the keyboard shortcut **Ctrl + Y** for quick access to redo the last undone action.

![UI showing redo option](./images/redo-feature.png)

N> The **Redo** button is automatically disabled when no actions are available to reapply or when a cell is in editing mode. Additionally, the redo history is cleared whenever a new action is performed following an undo.
N> The **Redo** button is automatically disabled when no actions are available to reapply or when a cell is in edit mode. The redo history is cleared whenever a new action is performed after an undo.
78 changes: 39 additions & 39 deletions Document-Processing/Excel/Spreadsheet/Blazor/worksheet.md
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Expand Up @@ -7,29 +7,29 @@ control: Spreadsheet
documentation: ug
---

# Worksheet in Blazor Spreadsheet component
# Worksheet Operations in Blazor Spreadsheet Component

A worksheet is a collection of cells organized in the form of rows and columns that allows for storing, formatting, and manipulating data. This feature supports data organization across multiple sheets, making it suitable for scenarios like managing department-wise records, financial reports, or project data in separate sheets.

N> If the workbook is protected, operations like inserting, deleting, renaming, hiding, unhiding, moving, or duplicating sheets are disabled through both user interface (UI) and code. To know more about workbook protection, refer [here](./protection#protect-workbook).
N> If a workbook is protected, worksheet operations like inserting, deleting, renaming, hiding, unhiding, moving, or duplicating sheets are disabled through both the user interface (UI) and code. To know more about workbook protection, refer to the [Protect Workbook](./protection#protect-workbook) documentation.

## Insert sheet
## Insert Sheet

The Insert sheet feature in the Syncfusion Blazor Spreadsheet component allows adding new sheets to a workbook, enabling better organization of data across multiple sheets. This feature can be accessed through user interface (UI) or programmatically, offering flexibility based on the application's requirements.

### Insert sheet via UI
### Insert Sheet via UI

To add or insert a new sheet using the UI, follow these steps:

* Click the `+` icon button in the **Sheet** tab. This will insert a new empty sheet next to current active sheet.
![Add sheet option](images/addsheet.png)
* Click the `+` icon button in the **Sheet** tab. This will insert a new empty sheet next to current active sheet.
![Add sheet option](images/addsheet.png)

* Right click on a **Sheet** tab, and then select **Insert** option from the context menu to insert a new empty sheet after the current active sheet.
![Insert sheet context menu](images/insert-sheet-option.png)
* Right-click on a **Sheet** tab, and then select **Insert** option from the context menu to insert a new empty sheet after the current active sheet.
![Insert sheet context menu](images/insert-sheet-option.png)

### Insert sheet programmatically
### Insert Sheet Programmatically

The [InsertSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_InsertSheetAsync_System_Nullable_System_Int32__System_Int32_) method allows adding one or more sheets to a workbook using code. It supports two main scenarios: adding multiple sheets with default names or adding a single sheet with a user-defined name. Below are the details for each scenario, including code examples and parameter information.
Use The [InsertSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_InsertSheetAsync_System_Nullable_System_Int32__System_Int32_) method allows adding one or more sheets to a workbook using code. It supports two main scenarios: adding multiple sheets with default names or adding a single sheet with a user-defined name. Below are the details for each scenario, including code examples and parameter information.

**Insert multiple sheets at a specific index**

Expand Down Expand Up @@ -111,29 +111,29 @@ This method adds one sheet at a specific position with a user-defined name. Each
{% endhighlight %}
{% endtabs %}

## Delete sheet
## Delete Sheet

The Spreadsheet component supports removing sheets from a spreadsheet. When the workbook contains only one sheet, the delete option is disabled in the user interface (UI), and no action occurs during programmatic deletion attempts. Sheets can be deleted using user interface (UI) or programmatically, based on application requirements.
The Spreadsheet component supports removing sheets from a workbook. When the workbook contains only one sheet, the delete option is disabled in the user interface (UI), and no action occurs during programmatic deletion attempts. Sheets can be deleted using user interface (UI) or programmatically, based on application requirements.

### Delete sheet via UI
### Delete Sheet via UI

To remove a sheet using the user interface (UI), follow these steps:

* Right click on a **Sheet** tab, and then select **Delete** option from context menu.
1. Right-click a **Sheet** tab, and then select **Delete** option from the context menu.

![Delete sheet option](images/delete-sheet-option.png)
![Delete sheet option](images/delete-sheet-option.png)

* Click **OK** in the confirmation dialog to delete the sheet.
2. Click **OK** in the confirmation dialog to permanently delete the sheet.

![Delete confirm dialog](images/delete-confirm-dialog.png)
![Delete confirm dialog](images/delete-confirm-dialog.png)

### Delete sheet programmatically
### Delete Sheet Programmatically

Sheets can be deleted at a specific index using the [DeleteSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_DeleteSheetAsync_System_Nullable_System_Int32__) method. It supports two main scenarios: delete sheet by index or delete sheet by name. Below are the details for each scenario, including code examples and parameter information.

**Delete sheet by index**

This method removes a sheet from a specific position. It works best when the sheet location in the workbook is known, such as when removing the first or last sheet through code. If no position is specified, the current active sheet gets deleted.
This method removes a sheet at a specific index. It works best when the sheet location in the workbook is known, such as when removing the first or last sheet through code. If no position is specified, the current active sheet gets deleted.

| Parameter | Type | Description |
| -- | -- | -- |
Expand Down Expand Up @@ -209,21 +209,21 @@ This method removes a sheet that matches the given name. It helps when the exact
{% endhighlight %}
{% endtabs %}

## Rename sheet
## Rename Sheet

The Rename Sheet feature allows assigning user-defined names to sheets for better organization. Sheet names must be unique within the workbook, and renaming does not affect data or formulas. This feature is essential for improving workbook clarity, especially in complex workbooks with multiple sheets.
The rename sheet feature allows assigning user-defined name to a sheet for better organization. Sheet names must be unique within the workbook, and renaming does not affect data or formulas. This feature is essential for improving workbook clarity, especially in complex workbooks with multiple sheets.

To rename a sheet:

* Right-click a **Sheet** tab and select **Rename** from the context menu.
1. Right-click a **Sheet** tab and select **Rename** from the context menu.

![Rename sheet option](images/rename-sheet-option.png)
![Rename sheet option](images/rename-sheet-option.png)

* Enter a new name and click **update** to confirm.
2. Enter a new name in the dialog and click **Update** to confirm.

![Rename dialog](images/rename-dialog.png)
![Rename dialog](images/rename-dialog.png)

## Hide sheet
## Hide Sheet

Hiding sheets in the Spreadsheet component prevents unauthorized access or accidental changes. Hidden sheets remain in the workbook, retaining all data, formulas, and functionality, but are not visible in the user interface (UI). To hide a sheet, right-click the **Sheet** tab and select **Hide** from the context menu.

Expand All @@ -237,30 +237,30 @@ Hiding sheets in the Spreadsheet component prevents unauthorized access or accid

![Hide sheet option](images/hide-sheet-option.png)

## Unhide sheet
### Unhide Sheet

The Spreadsheet component allows restoring hidden sheets to view, which appear in a disabled state within the sheet selection menu. To make a hidden sheet visible again, click on the **Sheet** tab list icon and then select the hidden sheet. Once selected, the sheet will reappear in the sheet tab collection and become available for editing.

![Unhide sheet option](images/unhide-sheet-option.png)

## Move sheet
## Move Sheet

The Spreadsheet component allows reordering sheets by moving them to different positions within the workbook. This feature helps organize sheets in a preferred sequence for better navigation and workflow efficiency. Sheets can be moved using user interface (UI) or programmatically, based on application needs.

### Move sheet via UI
### Move Sheet via UI

To move a sheet using the user interface (UI), follow these steps:

* Click and hold on a **Sheet** tab, then drag it to the desired position.
* Click and hold on a **Sheet** tab, then drag it to the desired position.

* Right click on a **Sheet** tab and select **Move Left** or **Move Right** options from the context menu to reposition the sheet accordingly.
* Right-click on a **Sheet** tab and select **Move Left** or **Move Right** options from the context menu to reposition the sheet accordingly.

N> **Move Right** is enabled only if a sheet exists to the right, and **Move Left** is enabled only if a sheet exists to the left.

![Move Left sheet option](images/move-left-option.png)
![Move Right sheet option](images/move-right-option.png)

### Move sheet programmatically
### Move Sheet Programmatically

The [MoveSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_MoveSheetAsync_System_Nullable_System_Int32__System_Int32_) method moves a sheet from one index to another programmatically. This method requires two parameters: the current zero-based index of the sheet to move and the destination zero-based index where the sheet will be placed. If either index is invalid (negative or beyond the sheet count), the method will not perform any action.

Expand Down Expand Up @@ -300,19 +300,19 @@ The [MoveSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spr
{% endhighlight %}
{% endtabs %}

## Duplicate sheet
## Duplicate Sheet

The Spreadsheet component allows creating an exact copy of a sheet, including all data, formatting, formulas, and styling. Duplicating a sheet is useful for creating multiple sheets with similar content or structure. The duplicated sheet is inserted immediately after the original sheet and is assigned a unique name, typically appending a number (e.g., "Sheet1" becomes "Sheet1 (2)"). Sheet duplication can be performed through user interface (UI) or programmatically, depending on application needs.

### Duplicate sheet via UI
### Duplicate Sheet via UI

To duplicate a sheet using the user interface (UI), simply right-click on the desired **Sheet** tab and choose the **Duplicate** option from the context menu.

![Duplicate sheet option](images/duplicate-sheet-option.png)

### Duplicate sheet programmatically
### Duplicate Sheet Programmatically

The [DuplicateSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_DuplicateSheetAsync_System_Nullable_System_Int32__) method allows duplicating a sheet programmatically by specifying its index or name. The duplicated sheet is inserted immediately after the original sheet. Below are details for duplicating a sheet by index or by name, including parameter information and code examples.
Use The [DuplicateSheetAsync](https://help.syncfusion.com/cr/blazor/Syncfusion.Blazor.Spreadsheet.SfSpreadsheet.html#Syncfusion_Blazor_Spreadsheet_SfSpreadsheet_DuplicateSheetAsync_System_Nullable_System_Int32__) method allows duplicating a sheet programmatically by specifying its index or name. The duplicated sheet is inserted immediately after the original sheet. Below are details for duplicating a sheet by index or by name, including parameter information and code examples.

**Duplicate sheet by index**

Expand Down Expand Up @@ -359,7 +359,7 @@ This method creates a copy of the sheet with the specified name. The sheet name

| Parameter | Type | Description |
| -- | -- | -- |
| sheetName | string | The name of the sheet to duplicate. If the name does not exist, no action occurs. |
| `sheetName` | `string` | The name of the sheet to duplicate. If the name does not exist, no action occurs. |

{% tabs %}
{% highlight razor %}
Expand All @@ -384,10 +384,10 @@ This method creates a copy of the sheet with the specified name. The sheet name

public async Task DuplicateSheetHandler()
{
// Duplicate the sheet named "Sheet1".
// Duplicates the sheet named "Sheet1".
await SpreadsheetRef.DuplicateSheetAsync("Sheet1");
}
}

{% endhighlight %}
{% endtabs %}
{% endtabs %}