代码语言:csharp 复制 privatevoidbutton1_Click(objectsender,EventArgse){// 更新数据源dataGridView1.DataSource=GetData();// 强制刷新DataGridView控件dataGridView1.Refresh();}privateDataTableGetData(){// 获取数据源DataTabledataTable=newDataTable();dataTable.Columns.Add("Column1");dataTable.Columns.Ad...
到目前為止,我們已將 DataGridView 控制項與設計工具中的 BindingSource 元件建立關聯。 在下一節中,我們會將程式碼新增至程式碼後置,以將 categoryBindingSource.DataSource 設定為 DbCoNtext 目前追蹤的實體集合。 當我們從類別下拖放產品時,WinForms 會負責將 productsBindingSource.DataSource 屬性設定為 categoryBinding...
DataGridView:这是一个内置于 .NET Framework 的免费控件,可以轻松地添加到您的 WinForms 项目中。它提供了许多功能,如数据绑定、列和行的自定义、单元格和行的编辑、排序和筛选等。 SourceGrid:这是一个开源的免费控件,可以用于 WinForms 和 WPF 项目。它提供了许多功能,如数据绑定、列和行的自定义、单元格和...
using System.Collections; using System.Collections.Generic; using System.Collections.ObjectModel; using System.ComponentModel; using System.Diagnostics.CodeAnalysis; using System.Data.Entity; namespace WinFormswithEFSample { public class ObservableListSource<T> : ObservableCollection<T>, IListSource where T ...
目前为止,我们已在设计器中将 DataGridView 控件与 BindingSource 组件相关联。 在下一部分,我们将向代码隐藏添加代码,以便将 categoryBindingSource.DataSource 设置为 DbContext 当前跟踪的实体集合。 从“Category”下面拖放 Products 时,WinForms 会将 productsBindingSource.DataSource 属性设置为 categoryBindingSource,并...
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DataSource = dbContext.Categories.Local.ToBindingList(); } protected override void OnClosing(CancelEventArgs e) { base.OnClosing(e); this.dbContext?.Dispose(); this.dbContext = null; } private void dataGridViewCategories_SelectionChanged(object sender, EventArgs e) { if (this.dbContext != null...
Automatic refresh Items in WPF DataGrid after celle eidt? Automatic update for WPF Windows application_ Automatically Check TreeView Child Nodes When Parent Is Checked await Dispatcher.BeginInvoke result? Back button Background blinking for a control Background color when on mouse hover in a WPF menu...
The EntityDataSource component uses the ObjectContextType value to create an object context that is used to generate views for all elements defined in the data model. Now add a DataGridView control to the form and use the property window to set the DataSource property to the EntityDataSource ...
this.BindingContext[this.dataGridView1.DataSource].EndCurrentEdit(); // If the DataGridView has a DataMember set then: this.BindingContext[this.dataGridView1.DataSource, "MemberName"].EndCurrentEdit(); this.dataGridView1.Refresh(); // Make ...