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;-)