怎么做数据有效性

dexteryao

您好我想实现一个表格单元下拉的功能，类似excel的数据有效性，这个功能怎么做

dexteryao · dexteryao

您好，和Excel一样，可以添加数据验证

gcSpreadSheet1.HighlightInvalidData = true;
var valid = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateListValidator("5,10,15,20");
gcSpreadSheet1.Sheets[0].Cells[0, 1].DataValidator = valid;
gcSpreadSheet1.Sheets[0].Cells[0, 0].Text = "5, 10, 15, and 20 are valid numbers.";
var valid1 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateNumberValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "5", "20", true);
gcSpreadSheet1.Sheets[0].Cells[1, 1].DataValidator = valid1;
gcSpreadSheet1.Sheets[0].Cells[1,0].Text = "A number greater than 5 is valid.";
var valid2 = GrapeCity.Windows.SpreadSheet.Data.DataValidator.CreateTextLengthValidator(GrapeCity.Windows.SpreadSheet.Data.ComparisonOperator.GreaterThan, "4", "20");
gcSpreadSheet1.Sheets[0].Cells[2, 1].DataValidator = valid2;
gcSpreadSheet1.Sheets[0].Cells[2, 0].Text = "Type more than four characters.";

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