Excel Data Validation Input Message

Data Validation Input Messages are a valuable feature that allows users to embed informative messages within cells in an Excel spreadsheet. When a particular cell is selected, the associated input message will be displayed, providing helpful guidance or instructions to the user. This functionality serves a crucial role in data entry tasks, enabling the establishment of predefined rules and guidelines for inputting data accurately. Additionally, Data Validation Input Messages offer the flexibility to include notes or additional information about the data within the cell itself.

In VB.NET programming, we can use its capabilities to programmatically set Data Validation Input Messages in Excel. This enables us to automate the process of defining and configuring input messages for specific cells or ranges within the spreadsheet. By utilizing VB.NET, we can efficiently and systematically implement Data Validation Input Messages, streamlining data entry workflows and ensuring adherence to predefined rules and guidelines.

The follwong image shows how a Data Validation Input Message after embedded in an Excel cell.


The ability to utilize Data Validation Input Messages in Excel through VB.NET provides developers with a powerful tool for enhancing data quality and user experience. By incorporating informative messages directly within cells, users are guided through the data entry process, reducing errors and improving overall data integrity. Furthermore, the option to include additional notes or explanations adds a layer of context to the data, facilitating better understanding and interpretation.

Full Source VB.NET
Imports Excel = Microsoft.Office.Interop.Excel Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim xlApp As Excel.Application Dim xlWorkBook As Excel.Workbook Dim xlWorkSheet As Excel.Worksheet Dim misValue As Object = System.Reflection.Missing.Value Dim rangeCells As Excel.Range xlApp = New Excel.ApplicationClass xlWorkBook = xlApp.Workbooks.Add(misValue) xlWorkSheet = xlWorkBook.Sheets("sheet1") xlWorkSheet.Range("B5", "D5").Validation.Add( _ Type:=Excel.XlDVType.xlValidateInputOnly, _ AlertStyle:=Excel.XlDVAlertStyle.xlValidAlertStop, _ Operator:=Excel.XlFormatConditionOperator.xlBetween) xlWorkSheet.Range("B5", "D5").Validation.IgnoreBlank = True xlWorkSheet.Range("B5", "B5").FormulaR1C1 = "Click Here " + _ "to see Notes" xlWorkSheet.Range("B5", "D5").Validation.InputTitle = _ "https://net-informations.com/vb/default.htm" xlWorkSheet.Range("B5", "D5").Validation.ErrorTitle = "Error in Title" xlWorkSheet.Range("B5", "D5").Validation.InputMessage = "Here is " + _ " the notes embeded - you can enter 255 characters maximum in notes " xlWorkSheet.Range("B5", "D5").Validation.ErrorMessage = "Error in Notes" xlWorkSheet.Range("B5", "D5").Validation.ShowInput = True xlWorkSheet.Range("B5", "D5").Validation.ShowError = True xlWorkSheet.SaveAs("C:\vbexcel.xlsx") xlWorkBook.Close() xlApp.Quit() releaseObject(xlApp) releaseObject(xlWorkBook) releaseObject(xlWorkSheet) MsgBox("File created !") End Sub Private Sub releaseObject(ByVal obj As Object) Try System.Runtime.InteropServices.Marshal.ReleaseComObject(obj) obj = Nothing Catch ex As Exception obj = Nothing Finally GC.Collect() End Try End Sub End Class


Through the integration of VB.NET and Excel's Data Validation Input Messages, developers can create robust applications that facilitate efficient and accurate data entry. By leveraging this functionality, organizations can ensure data consistency, improve productivity, and enhance the overall quality of their Excel spreadsheets.