Data Validation One of the most important features provided byRadGridViewis thedata validation. Data validation features enable you to take complete control of the data entered in your grid's cells. The purpose of this tutorial is to show you how to validate data usingRadGridView....
WPF DataGrid (SfDataGrid) allows you to validate the data and display hints in case of validation is not passed. In case of invalid data, error icon is displayed at the top right corner of GridCell. When mouse over the error icon, error information will be displayed in tooltip. Built-in...
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The Data Validation section discusses how to create validation logic.Before going into the different features of data binding outlined above, we will first discuss the fundamental concepts that are critical to understanding WPF data binding.Create a binding...
public class AgeRangeRule : ValidationRule { public int Min { get; set; } public int Max { get; set; } public override ValidationResult Validate(object value, CultureInfo cultureInfo) { int age = 0; try { if (((string)value).Length > 0) age = int.Parse((String)value); } catch ...
如需使用此驗證規則的詳細資訊,請參閱 DataErrorValidationRule。 明確設定 DataErrorValidationRule 的替代語法是在您的 ValidatesOnDataErrors 或true 物件上將 Binding 屬性設定為 MultiBinding。 您也可以從 ValidationRule 類別衍生並實作 Validate 方法,來建立自己的驗證規則。 下列範例顯示資料繫結是什麼一節中 [...
<Binding Path="Name"ValidatesOnDataErrors="True"UpdateSourceTrigger="PropertyChanged"> <Binding.ValidationRules> <local:MinCharsRule MinimumChars="3"/> </Binding.ValidationRules> </Binding> </TextBox.Text> </TextBox> <TextBlock Text="Age:"Grid.Row="1"Margin="6"/> ...
How to: Add Row Details to a DataGrid Control How to: Group, Sort, and Filter Data in the DataGrid Control How to: Implement Validation with the DataGrid Control Walkthrough: Display Data from a SQL Server Database in a DataGrid Control ...
Bind the WPF Data Grid to Data This example shows how to bind the WPF Data Grid to different data sources. Refer to the following topic for more information: Bind to Data. The example includes multiple solutions that demonstrate: How to bind the Data Grid to Entity Framework, EF Core, and...
Loading the Telerik WPF DataGrid with Data DataGrid Performance Tips and Tricks How to Style and Customize Your WPF DataGrid 1. DataGrids and the Developer Challenge Let’s consider the following scenario, as a basis for the topic:You are tasked with building a desktop application for the financ...