启用和禁用Datagridview中的单元格

Question

我正在使用DataGridView控件来显示一些数据。我需要启用一些数据并根据网格中的某些值动态禁用某些数据。

谁能告诉我怎么做？

Answer 1

要“禁用”一个单元格，它必须是只读的并以某种方式变灰。此函数启用/禁用DataGridViewCell：

    /// <summary>
    /// Toggles the "enabled" status of a cell in a DataGridView. There is no native
    /// support for disabling a cell, hence the need for this method. The disabled state
    /// means that the cell is read-only and grayed out.
    /// </summary>
    /// <param name="dc">Cell to enable/disable</param>
    /// <param name="enabled">Whether the cell is enabled or disabled</param>
    private void enableCell(DataGridViewCell dc, bool enabled) {
        //toggle read-only state
        dc.ReadOnly = !enabled;
        if (enabled)
        {
            //restore cell style to the default value
            dc.Style.BackColor = dc.OwningColumn.DefaultCellStyle.BackColor;
            dc.Style.ForeColor = dc.OwningColumn.DefaultCellStyle.ForeColor;
        }
        else { 
            //gray out the cell
            dc.Style.BackColor = Color.LightGray;
            dc.Style.ForeColor = Color.DarkGray;
        }
    }

Answer 2

您可以将特定行或单元格设置为只读，因此用户无法更改该值。这是你的意思吗？

dataGridView1.Rows[0].ReadOnly = true;
dataGridView1.Rows[1].Cells[2].ReadOnly = true;

Answer 3

第1步：

type form load : -
For i = 0 to Datagridview.columns.count -1
   if i <> 1 then //restricted columns, 'i' is Your column index
    Datagridview.Columns(i).ReadOnly = True
   end if
Next

第2步

type Cellbeginedit
Datagridview.BeginEdit(True)