Validating user input in excel vba

Outside a Date Range | Sundays and Saturdays This example teaches you how to use data validation to reject invalid dates.

On the Data tab, in the Data Tools group, click Data Validation.

Also see: How to re-enable your Systems2win add-in Why did Microsoft do that?

Because the designer of the third-party application might not appreciate some add-in application generating some error that the user then believes is caused by THEIR application. No add-ins will be launched when Excel is launched by clicking a link from a Share Point server or a Word document, Power Point, PDF, etc. If your original file is damaged, and you don't have a backup, then open the "repaired" document only to transcribe the data to a fresh new blank template.

Note: to enter an input message and error alert message, go to the Input Message and Error Alert tab. If a date's weekday is not equal to 1 (Sunday) AND not equal to 7 (Saturday), the date is allowed ( means not equal to).

Explanation: the WEEKDAY function returns a number from 1 (Sunday) to 7 (Saturday) representing the day of the week of a date. Note: to enter an input message and error alert message, go to the Input Message and Error Alert tab.

Enter the Start date and End date shown below and click OK.

In the previous section we saw how to import Microsoft Excel 12.0 Object Library in the C# project .

Create Excel file from CSharp Data Validation Input Messages is using to embed a message in cells in an Excel Spread Sheet.

The package includes forms for effective and consistent implementation Validation and Use of Excel in Regulated Environments. Ludwig Huber The Package includes 5 FDA warning letters, 483's/ EIR's related to topics in the Package The package includes over 100 FDA and International Regulations and guidelines Here are just a few examples 21 CFR Part 11 and other regulations.

Generally they have not been designed for regulated environments.

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