It is tricky and avoids the use of Java Script function to validate List Box and Drop Down List. For validating Drop Down List, make sure you have "--Select--" option value 0 other wise validation on it will not work.In this article I try to explain how to validate Drop Down List and List Box using Required Field Validator.This input type lets you collect a number (either integer or floating point). The exact value is not displayed to the user unless you use Java Script.
Add Value, CStr(Value) Next Value On Error Go To 0 For Each Value In ucoll temp(UBound(temp)) = Value Re Dim Preserve temp(UBound(temp) 1) Next Value Re Dim Preserve temp(UBound(temp) - 1) Selection Sort temp Filter Unique Sort = Application.
HTML5 defines a variety of new input types: sliders, number spinners, popup calendars, color choosers, autocompleting suggest boxes, and more.
This can be very useful because now you can use one sheet to store all of your reference lists like a database and use them on any other sheet in the workbook. This can be on the same sheet or on a differnet sheet.
I went ahead and selected cell A1 on Sheet2 for the example.
to do this we need to set the requiredfieldvalidator Control To Validate property value to Drop Down List control's ID which dropdownlist control we want to validate.
requiredfieldvalidator control's Initial Value property get or set the initial value of the associated input control.
in this example code dropdownlist initial value is 'Choose One', because we set this text for the dropdownlist control's first item Text property value.
In Asp.net, sometimes we need to validate List Box and Drop Down List using Required field validator.
Here is a short how-to guide to get you started on data validation in excel.
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If you’re a big Excel user, then you may have found yourself in a situation where you wished you could have simply picked a value for a cell from a dropdown list of choices rather than having to copy and paste text between cells.