在EF中,我有一个实体,Stuff,我想用下面的代码填充一个Gridview combobox,里面有Stuff表中的所有内容:
 var stuffs = from t in Database.Context.Stuffs
              select t;
 return stuffs.ToList<Stuff>();
 datagridview.datasource=stuffs;我覆盖了ToString方法:
 public override string ToString()
 {
    return this.Name + "-" + this.CompanyName;
 }但是会出现这个错误:
datagridview组合框单元格值无效错误
发布于 2013-03-29 20:15:10
我不是说这是最好的方法,我不熟悉WinForms。
但在这个示例中,它似乎确实想要:

class Stuff
    {
        public string Name { get; set; }
        public string CieName { get; set; }
        public override string ToString()
        {
            return string.Format("{0}-{1}", Name, CieName);
        }
    }
    public partial class Form1 : Form
    {
        private List<Stuff> _myList = new List<Stuff>()
                                          {
                                              new Stuff() {Name = "Anne", CieName = "Google"},
                                              new Stuff() {Name = "Creg", CieName = "Yahoo"}
                                          };
        public Form1()
        {
            InitializeComponent();
            BindComboBoxColumnDataSource();
        }
        private void BindComboBoxColumnDataSource()
        {
            var comboColumn = dataGridView1.Columns["ComboBoxColumn"] as DataGridViewComboBoxColumn;
            if (comboColumn != null)
                comboColumn.DataSource = _myList;
        }
    }https://stackoverflow.com/questions/15686592
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