[英]Custom Formula Data Validation
Can we set the following data validation rule across a range to prevent duplicate entries?我们可以在一个范围内设置以下数据验证规则以防止重复条目吗?
=COUNTIF(B$6:B,B6)<2
The above custom formula in Data Validation stops duplicate entries in column B from row 6 downwards, so the rule on the 15th column would be:数据验证中的上述自定义公式从第 6 行向下停止 B 列中的重复条目,因此第 15 列的规则为:
=COUNTIF(B$6:B,B15)<2
Can we do this programmatically in GAS?我们可以在 GAS 中以编程方式执行此操作吗?
The Data Validation Builder can define a data validation rule across a range: 数据验证生成器可以定义一个范围内的数据验证规则:
Sample Code:示例代码:
function myFunction() {
var cell = SpreadsheetApp.getActive().getRange("B6:B");
var rule = SpreadsheetApp.newDataValidation().requireFormulaSatisfied("=COUNTIF(B$6:B,B6)<2").build();
cell.setDataValidation(rule);
}
Sample Sheet:样品表:
PS If you want to reject duplicate values, you can add .setAllowInvalid(false)
to the rule definition. PS 如果要拒绝重复值,可以在规则定义中添加
.setAllowInvalid(false)
。
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