How to set Data validation for List?

Data Validation is a feature in MS Excel that makes it possible to dynamically validate data entered in a cell. The validation rules are specified in the Data Validation settings. XlsIO supports writing data validation rules in a cell. Use the following code snippets to set data validation for a list. Use the following code snippets to set data validation for list.

C#

// Data validation to list the values in the first cell
            IDataValidation validation = sheet.Range["A1"].DataValidation;
            sheet.Range["A1"].Text = "Data validation list";
            validation.ListOfValues = new string[] { "ListItem1", "ListItem2", "ListItem3" };
            validation.PromptBoxText = "Data Validation list";
            validation.IsPromptBoxVisible = true;
            validation.ShowPromptBox = true;

VB

' Data validation to list the values in the first cell
        Dim validation As IDataValidation = sheet.Range("A1").DataValidation
        sheet.Range("A1").Text = "Data validation list"
        validation.ListOfValues = New String() {"ListItem1", "ListItem2", "ListItem3"}
        validation.PromptBoxText = "Data Validation list"
        validation.IsPromptBoxVisible = True
        validation.ShowPromptBox = True

Take a moment to peruse the documentation, where you can find basic worksheet data manipulation options along with features like Conditional Formatting, worksheet calculations through formulas, adding charts in worksheets or workbooks, organizing and analyzing data through tables and pivot tables, appending multiple records to a worksheet using template markers, and most importantly, PDF and image conversions, etc., with code examples.

Refer here to explore the rich set of Syncfusion Essential XlsIO features.

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Conclusion:

I hope you enjoyed learning about how to set Data Validation for a List in XlsIO.

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