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With data validation, your information has a better chance of remaining valid and consistent. You can use data validation to make all sorts of rules. You might want to restrict input to a certain number of letters or digits, set up a predefined list of acceptable date inputs, or ...
string | Date | Excel.Range 注解 [ API 集:ExcelApi 1.8 ]operator 用于验证数据有效性的运算符。 TypeScript 复制 operator: Excel.DataValidationOperator | "Between" | "NotBetween" | "EqualTo" | "NotEqualTo" | "GreaterThan" | "LessThan" | "GreaterThanOrEqualTo" | "LessThanOrEqualTo...
Example 2 – Using the Date Option to Validate Data Within an Interval Steps: Select B13:C14 and go to Formulas>>Create from Selection>>Left Column Click OK. Select E6:E11 for data validation. Go to Data>>Data Validation. Enter =FirstDate as Start date: and =LastDate as End date: ,...
Excel Data Validation Data Validation in Excel Data validation is a feature in MS Excel used to control what a user can enter in a cell of an Excel sheet. For restricts the entries in a sheet, such as a date range or whole numbers only. We can even create dropdowns, which save ...
To validate entries based on today's data and current time, make your own data validation formulas as shown in these examples: Validate dates based on today's date Validate times based on current time Text length To allow data entry of a specific length, selectText lengthin theAllowbox, and...
Data validation is beneficial for controlling data input into your worksheet. Learn the optimal setup, limitations, and how to expand data preparation capabilities.
dv= DataValidation(type=”date”) 6.允许时间: dv= DataValidation(type=”time”) 7.允许最多15个字符的字符串: dv= DataValidation(type=”textLength”, operator=”lessThanOrEqual”, formula1=15) 8.单元格区域数据有效性: fromopenpyxl.utils impo...
dataValidate1.CreateErrorBox("error","You must input a date."); sheet1.AddValidationData(dataValidate1); 上面是一个在第一列要求输入1900-1-1至2999-12-31之间日期的有效性验证的例子,生成的Excel效果如下,当输入非法时将给出警告: 下面对刚才用到的几个方法加以说明: ...
Validation formulas for dates and times Inbuilt date validationprovides quite a lot of predefined criteria to restrict users to entering only dates between the two dates you specify, greater than, less than, or equal to a given date. If you want more control over data validation in your worksh...