FlexGrid for Winform：ComponentOneFlexGrid的ComboBox列绑定与值设置.pdf

FlexGrid for Winform：ComponentOneFlexGrid 的 ComboBox 列绑定与值设置 本文就来介绍，绑定模式下将值设置给C1FlexGrid 的ComboBox 列。在绑定FlexGrid 的列展示IList 类型 在当前的场景下，ComboBox 的数据源是用户定义的类，叫做 CountryDetails 。在grid 中的每一行代表CountryDetail 类的对象，然后 类共有属性通过columns(Country,Currency,Population 等）计算。其中 CountryDetails 是列表：StateOptions （今天主要关注）在本文的示例 中，我们允许用户从数据源记录相关中选择state 。 设置ContryDetails 作为ComboBox 控件的数据源，然后保存选择 的值到对象的empty 属性。 1.设置FlexGrid 的数据源，然后创建provinces 列表 namespace DynamicFlexGrid { public partial class Form1 : Form { List objectList; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { objectList = setupMyBusinessObject(); c1FlexGrid1.DataSource = objectList; c1FlexGrid1.AutoSizeCols(); c1FlexGrid1.Cols[4].AllowEditing = false; c1FlexGrid1.Cols[2].Caption = City/State; } List setupMyBusinessObject() { List mboList = new List(); CountryDetails mbo = new CountryDetails(); mbo.Country = Afghanistan; mbo.Currency = Afghan afghani; mbo.Population = 30.55 million; mbo.StateOptions = new List(); mbo.StateOptions.Add(Mazar-i-Sharif); mbo.StateOptions.Add(Kabul); mbo.StateOptions.Add(Kandahar); mbo.StateOptions.Add(Herat); mbo.StateOptions.Add(Kunduz); mboList.Add(mbo); mbo = new CountryDetails(); mbo.Country = Belgium; mbo.Currency = Euro; mbo.Population = 11.2 million; mbo.StateOptions = new List(); mbo.StateOptions.Add(Antwerp); mbo.StateOptions.Add(East Flanders); mbo.StateOptions.Add(Flemish Brabant); mbo.StateOptions.Add(Flemish Brabant); mbo.StateOptions.Add(West Flanders); mboList.Add(mbo); mbo = new CountryDetails(); mbo.Country = Canada; mbo.Currency = Canadian dollar; mbo.Population = 35.16 million; mbo.StateOptions = new List(); mbo.StateOptions.Add(Ontario); mbo.StateOptions.Add(Quebec); mbo.StateOptions.Add(Nova Scotia); mbo.StateOptions.Add(New Brunswick); mbo.StateOptions.Add(Manitoba); mboList.Add(mbo);