How to create checkbox field class in .NET WebForms PDF?
Check Box Field
We can create the check box field using PdfCheckBoxField Class.
Please refer the below code snippet for adding the check box field in new Pdf document.
C#
//Create a new PDF document. PdfDocument document = new PdfDocument(); //Add a new page to PDF document. PdfPage page = document.Pages.Add(); //Create Check Box field. PdfCheckBoxField checkBoxField = new PdfCheckBoxField(page, "CheckBox"); //Set check box properties. checkBoxField.ToolTip = "Check Box"; checkBoxField.Bounds = new RectangleF(0, 20, 10, 10); //Add the form field to the document. document.Form.Fields.Add(checkBoxField);
Checkmark Style
We can add different checkmark styles using PdfCheckBoxStyle enum. Checkmark size is depending on the check box field. Please refer the following code snippet.
C#
//Create Check Box field. PdfCheckBoxField checkBoxField = new PdfCheckBoxField(page, "CheckBox"); //Set Check box properties checkBoxField.Bounds = new RectangleF (50, 230, 8, 8);checkBoxField.Style = PdfCheckBoxStyle.Cross;
Please find the different checkmark styles for the check box field from PdfCheckBoxStyle enum.
C#
//Create Check Box field. PdfCheckBoxField checkBoxField = new PdfCheckBoxField(page, "CheckBox"); //Set Check box field style checkBoxField.Style = PdfCheckBoxStyle.Check; checkBoxField.Style = PdfCheckBoxStyle.Circle; checkBoxField.Style = PdfCheckBoxStyle.Cross; checkBoxField.Style = PdfCheckBoxStyle.Diamond; checkBoxField.Style = PdfCheckBoxStyle.Square; checkBoxField.Style = PdfCheckBoxStyle.Star;
For example, one check mark style is added to Check Box field can be shown in below code snippet.
C#
//Create a new PDF document.
PdfDocument doc = new PdfDocument();
//Add a page.
PdfPage page = doc.Pages.Add();
PdfForm form = doc.Form;
page.Graphics.DrawString("Qualification:", new PdfStandardFont(PdfFontFamily.Helvetica, 12, PdfFontStyle.Bold), PdfBrushes.Black, new PointF(50, 100));
//Create Check box field
PdfCheckBoxField checkField = new PdfCheckBoxField(page, "UG");
//Set Check box properties
checkField.Bounds = new RectangleF(50, 130, 8, 8);
checkField.Style = PdfCheckBoxStyle.Cross;
page.Graphics.DrawString("UG", new PdfStandardFont(PdfFontFamily.Helvetica, 12, PdfFontStyle.Italic), PdfBrushes.Black, new PointF(80, 130));
//Create Check box field
PdfCheckBoxField checkField1 = new PdfCheckBoxField(page, "PG");
//Set Check box properties
checkField1.Bounds = new RectangleF(50, 170, 8, 8);
checkField1.Style = PdfCheckBoxStyle.Cross;
page.Graphics.DrawString("PG", new PdfStandardFont(PdfFontFamily.Helvetica, 12, PdfFontStyle.Italic), PdfBrushes.Black, new PointF(80, 170));
//Add the form field to the document
form.Fields.Add(checkField);
form.Fields.Add(checkField1);
Note:
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The Classic controls can be used in existing projects; however, if you are starting a new project, we recommend using the latest version of Essential Studio® for ASP.NET. Although Syncfusion® will continue to support all Classic Versions, we are happy to assist you in migrating to the newest edition.
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