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I am trying to format Grid Percent Column value to "n.nnn" with below column definition I am able to restrict digits after decimal point but cell allows more than 9.999. I would like to know how can I achieve this.

<syncfusion:GridPercentColumn HeaderText = "Percent Column" AllowEditing = "True" AllowFocus = ""True" ValueBinding = "{Binding PercentColumn, UpdateSourceTrigger=PropertyChanged}" PercentDecimalDigits = "3"/>