1

我尝试了几个小时为动态创建的列创建模板。这是代码(它不是来自我的主要项目,但我简化了代码以重现我的问题):

首先,我创建了一个包含 Column 设置的类:

public class ColumnBLO
{
    public string foreColor { get; set; }
    public string backColor { get; set; }
    public string Label { get; set; }
}

然后这是我的主窗口的代码:

        private Dictionary<string, DataGridView> dgViews;
    private List<ColumnBLO> columns;

    public Form1()
    {
        InitializeComponent();
    }

    private void Form1_Load(object sender, EventArgs e)
    {
        tabControl1.TabPages.Clear();
        tabControl1.TabPages.Add(new TabPage("laUNe"));

        //Simulating Format settings
        columns = new List<ColumnBLO>();
        columns.Add(new ColumnBLO { backColor = "Black", foreColor = "Black", Label = "one" });
        columns.Add(new ColumnBLO { backColor = "Blue", foreColor = "Blue", Label = "two" });
        columns.Add(new ColumnBLO { backColor = "Red", foreColor = "Red", Label = "three" });

        //Creating datagridviews and populate with data
        dgViews = new Dictionary<string, DataGridView>();
        DataGridView dgv = new DataGridView();

        DataTable dt = new DataTable("laTable");
        dt.Columns.Add("one");
        dt.Columns.Add("two");
        dt.Columns.Add("three");
        dt.Rows.Add("un", "deux", "trois");
        dt.Rows.Add("un", "dos", "tres");
        dt.Rows.Add("uno", "due", "tre");
        dgv.DataSource = dt;

        dgViews.Add("one", dgv);

        tabControl1.TabPages[0].Controls.Add(dgv);

        //Formatting
        foreach (DataGridViewColumn dgvcol in dgViews["one"].Columns)
        {
            ColumnBLO colB = columns.Where(x => x.Label == dgvcol.HeaderText).First();
            DataGridViewCell dgvc = new DataGridViewTextBoxCell();
            dgvc.Style.BackColor = Color.FromName(colB.backColor);
            dgvc.Style.ForeColor = Color.FromName(colB.foreColor);
            dgvcol.CellTemplate = dgvc;
        }

    }
}

当我执行此代码时,不显示格式,因为我单击标题列(对列进行排序),或者如果我调用自己的 Sort 方法。

我在 DGV 上尝试了很多方法,例如 Refresh()、Invalidate() 和 InvalidateColumns(),但没有任何效果...

如果有人可以帮助我;-)

4

1 回答 1

1

用以下内容替换您的foreach循环...

...

//Formatting
foreach(DataGridViewColumn dgvcol in dgViews["one"].Columns)
{
     ColumnBLO colB = columns.First(x => x.Label == dgvcol.HeaderText);
     dgvcol.DefaultCellStyle.BackColor = Color.FromName(colB.BackColor);
     dgvcol.DefaultCellStyle.ForeColor = Color.FromName(colB.ForeColor);
}

...

如果您使用DefaultCellStyle而不是CellStyle单元格,则默认情况下您的模板将呈现... Soulds like Captain Obvious )))

于 2012-08-20T20:49:01.280 回答