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Replace Text in Word Using Spire.Cloud.Word
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Freeze or Unfreeze Excel Columns and Rows Using Spire.Cloud.Excel
Add or Delete Excel Comments Using Spire.Cloud.Excel
Convert Excel to PDF or XPS Using Spire.Cloud.Excel
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Spire.Cloud.Excel
Freeze or Unfreeze Excel Rows and Columns using Spire.Cloud.Excel
Merge Excel Cells and Set Cell Format using Spire.Cloud.Excel
Spire.Cloud.Excel Encrypt/Decrypt Excel Documents
Rename Excel Worksheet Using Spire.Cloud.Excel
Add or Delete Comments in Excel Worksheets
Set and Delete Excel Document Properties Using Spire.Cloud.Excel
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Add or Delete Excel Comments Using Spire.Cloud.Excel

Spire.Cloud.Excel provides the WorksheetsApi interface to process the specific worksheet in an Excel document. This article shows you how to add or delete comments in worksheets by using this API.

Example 1. Add comment

using System;
using Spire.Cloud.Excel.Sdk.Api;
using Spire.Cloud.Excel.Sdk.Client;
using Spire.Cloud.Excel.Sdk.Model;

namespace AddComment
{
    class Program
    {
        static String appId = "App ID";
        static String appKey = "App Key";
        static String baseUrl = "https://api.cloudxdocs.com";

        //Create a Configuration object based on App ID, App Key and base URL
        static Configuration configuration = new Configuration(appId, appKey, baseUrl);

        //Create a WorksheetsApi object
        static WorksheetsApi WorksheetsApi = new WorksheetsApi(configuration);

        static void Main(string[] args)
        {
            //Specify the source document name
            string name = "sample.xlsx";

            //Specify the folder where the source document is stored
            string folder = "input";

            //Use the default storage, set to null
            string storage = null;

            //Specify the worksheet name
            string sheetName = "vendors";

            //Specify the cell to which the comment will be added
            string cellName = "C5";

            //Create a Comment object
            Comment comment = new Comment();
    
            //Set the comment content
            comment.Note = "This is a comment created by Spire.Cloud.Excel";

            //Set it to visible
            comment.IsVisible = true;

            //Call AddComment method to add comment to the specific cell
            WorksheetsApi.AddComment(name, sheetName, cellName, comment, folder, storage);
        }
    }
}

Add or Delete Excel Comments Using Spire.Cloud.Excel

Example 2. Delete comment

using System;
using Spire.Cloud.Excel.Sdk.Api;
using Spire.Cloud.Excel.Sdk.Client;

namespace DeleteComment
{
    class Program
    {
        static String appId = "App ID";
        static String appKey = "App Key";
        static String baseUrl = "https://api.cloudxdocs.com";

        //Create a Configuration object based on App ID, App Key and base URL
        static Configuration configuration = new Configuration(appId, appKey, baseUrl);

        //Create a WorksheetsApi object
        static WorksheetsApi WorksheetsApi = new WorksheetsApi(configuration);

        static void Main(string[] args)
        {
            //Specify the source document name
            string name = "sample.xlsx";

            //Specify the folder where the source document is stored
            string folder = "input";

            //Use the default storage, set to null
            string storage = null;

            //Specify the worksheet name
            string sheetName = "vendors";
            
            //Call DeleteComments method to delete all comments in the sheet
            WorksheetsApi.DeleteComments(name, sheetName, folder, storage);
        }
    }
}

Add or Delete Excel Comments Using Spire.Cloud.Excel