Set Form Fields in PDF via .NET SDK

Build your own Cloud apps to set Fillable document files using server-side .NET APIs.

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How to Set Form Fields from PDF Document using Cloud .NET SDK

In order to set Form Fields in PDF via Cloud .NET SDK , we’ll use Aspose.PDF Cloud .NET SDK This Cloud SDK allows you to easily build cloud-based PDF creator, editor & converter apps in C#, ASP.NET, or other .NET languages for various cloud platforms. Open NuGet package manager, search for Aspose.PDF Cloud and install. You may also use the following command from the Package Manager Console: PM> Install-Package Aspose.Pdf-Cloud

Steps to set Form Fields in PDF via via .NET SDK

Aspose.PDF Cloud developers can easily load & set Form Fields in PDF via in just a few lines of code.

  1. Create a new Configuration object with your Application Secret and Key
  2. Create an object to connect to the Cloud API
  3. Upload your document file
  4. Perform the setting
  5. Download the result
 

This sample code shows setting Form Fields in PDF documents


    public static async Task SetFormField()
    {
        const string localPdfDocumentName = @"C:\Samples\sample.pdf";
        const string storageFileName = "sample.pdf";
        const string localFolder = @"C:\\Samples";
        const string resultFileName = "output_set_form_filed.pdf";

        // Get your AppSid and AppSecret from https://dashboard.aspose.cloud (free registration required).            
        var pdfApi = new PdfApi(AppSecret, AppSid);

        var filesOnStorage = await pdfApi.GetFilesListAsync("");
        if (filesOnStorage.Value.All(f => f.Name != storageFileName))
        {
            using var file = File.OpenRead(localPdfDocumentName);
            var uploadResult = pdfApi.UploadFile(storageFileName, file);
            Console.WriteLine(uploadResult.Uploaded[0]);
        }

        var response = await pdfApi.PutUpdateFieldAsync(storageFileName, "First Name", new Field(
            Name: "First Name",
            Type: FieldType.Text,
            Values: ["James"],
            Rect: new Rectangle(125, 735, 200, 752)
        ));
        Console.WriteLine(response.Status);

        await (await pdfApi.DownloadFileAsync(storageFileName))
            .CopyToAsync(File.Create(Path.Combine(localFolder, resultFileName)));

        Console.WriteLine("SetFormField(): Form field values in document '{0} have been setю", resultFileName);
    }