Validating dates in excel Chatcity rory gilmore
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. Explanation: all dates between 5/20/2016 and today's date 5 days are allowed.
Allow only date format in specific cells with Data Validation function Allow only date format in specific cells with VBA code In Excel, the Data Validation is a powerful function which can help you to create drop down list, to prevent duplicate entries, etc. Then go on clicking Error Alert tab in the dialog box, please do the following operations: (1.) Check Show error alert after invalid data is entered option; (2.) Under the Style drop down, please select Stop option; (3.) Type the Title and Error message that you want to display in the prompt box. In the displayed Microsoft Visual Basic for Applications window, copy and paste the below code into the Module, see screenshot: 4.Next, it evaluates if the date in C3 is less than or equal to the date 30 days from today, as given by the formula TODAY() 30.Excel stores dates as serial numbers, making it possible to perform calculations involving dates.See below table that is filled up with dates in column C falling within the next 30 days from today, and allowed by Data Validation.It automatically checks whether the value entered is allowed based on the specified criteria. We want to restrict the delivery dates entered in column C and allow only dates in year 2019. For every date entered in column C that is specifically in the year 2019, the validation criteria returns TRUE, Data Validation passes and the value is allowed.
Outside a Date Range | Sundays and Saturdays This example teaches you how to use data validation to reject invalid dates.