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: ,...
HSSFDataValidation dataValidate1=newHSSFDataValidation(regions1, constraint1); 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...
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...
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 ...
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 unnecessary space and shows the values in a single...
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Data validation is beneficial for controlling data input into your worksheet. Learn the optimal setup, limitations, and how to expand data preparation capabilities.
prompt— 指定当用户将鼠标悬停在范围上并定义提示消息时是否显示提示。 请参阅DataValidationPrompt。 ignoreBlanks— 指定数据验证规则是否应用于区域中的空白单元格。 默认为true。 type— 验证类型的只读标识,例如 WholeNumber、Date、TextLength 等。它是在设置 属性时间接设置的rule。
Excel.DataValidationType | "None" | "WholeNumber" | "Decimal" | "List" | "Date" | "Time" | "TextLength" | "Custom" | "Inconsistent" | "MixedCriteria" 注解 [ API 集:ExcelApi 1.8 ]valid 表示所有单元格值根据数据有效性规则是否全部有效。 true如果所有单元格值都有效,或者false所有单元格...
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...