C#DataGridView在同一单元格中显示图像和文本

我在您共享的链接上没有找到任何代码，我会给您以前使用过的代码。

1-首先创建新类名itTextAndImageColumn.cs:

这是分类代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
namespace TradeGrid
{
public class TextAndImageColumn : DataGridViewTextBoxColumn
{
    private Image imageValue;
    private Size imageSize;
    public TextAndImageColumn()
    {
        this.CellTemplate = new TextAndImageCell();
    }
    public override object Clone()
    {
        TextAndImageColumn c = base.Clone() as TextAndImageColumn;
        c.imageValue = this.imageValue;
        c.imageSize = this.imageSize;
        return c;
    }
    public Image Image
    {
        get { return this.imageValue; }
        set
        {
            if (this.Image != value)
            {
                this.imageValue = value;
                this.imageSize = value.Size;
                if (this.InheritedStyle != null)
                {
                    Padding inheritedPadding = this.InheritedStyle.Padding;
                    this.DefaultCellStyle.Padding = new Padding(imageSize.Width,
                 inheritedPadding.Top, inheritedPadding.Right,
                 inheritedPadding.Bottom);
                }
            }
        }
    }
    private TextAndImageCell TextAndImageCellTemplate
    {
        get { return this.CellTemplate as TextAndImageCell; }
    }
    internal Size ImageSize
    {
        get { return imageSize; }
    }
}
public class TextAndImageCell : DataGridViewTextBoxCell
{
    private Image imageValue;
    private Size imageSize;
    public override object Clone()
    {
        TextAndImageCell c = base.Clone() as TextAndImageCell;
        c.imageValue = this.imageValue;
        c.imageSize = this.imageSize;
        return c;
    }
    public Image Image
    {
        get
        {
            if (this.OwningColumn == null ||
        this.OwningTextAndImageColumn == null)
            {
                return imageValue;
            }
            else if (this.imageValue != null)
            {
                return this.imageValue;
            }
            else
            {
                return this.OwningTextAndImageColumn.Image;
            }
        }
        set
        {
            if (this.imageValue != value)
            {
                this.imageValue = value;
                this.imageSize = value.Size;
                Padding inheritedPadding = this.InheritedStyle.Padding;
                this.Style.Padding = new Padding(imageSize.Width,
                inheritedPadding.Top, inheritedPadding.Right,
                inheritedPadding.Bottom);
            }
        }
    }
    protected override void Paint(Graphics graphics, Rectangle clipBounds,
    Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState,
    object value, object formattedValue, string errorText,
    DataGridViewCellStyle cellStyle,
    DataGridViewAdvancedBorderStyle advancedBorderStyle,
    DataGridViewPaintParts paintParts)
    {
        // Paint the base content
        base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
           value, formattedValue, errorText, cellStyle,
           advancedBorderStyle, paintParts);
        if (this.Image != null)
        {
            // Draw the image clipped to the cell.
            System.Drawing.Drawing2D.GraphicsContainer container =
            graphics.BeginContainer();
            graphics.SetClip(cellBounds);
            graphics.DrawImageUnscaled(this.Image, cellBounds.Location);
            graphics.EndContainer(container);
        }
    }
    private TextAndImageColumn OwningTextAndImageColumn
    {
        get { return this.OwningColumn as TextAndImageColumn; }
    }
}
}

2-之后单击Datagridview的编辑列（在设计模式下），然后将列类型:DataGridViewTextBoxColumn更改为柱类型：TextAndImageColumn

3-使用用户控件添加一个图像列表，其中包含2个不同的Images（16x16）.png文件。

4-然后添加一种方法，在DataGridView:的一个单元格中显示图像和文本值

   public void ImageRowDisplay()
    {
        ((TextAndImageCell)_TradeGrid.Rows[0].Cells[0]).Image = (Image)imageList1.Images[1];
     }

5-然后在网格行上添加数据，并在按钮单击事件上显示"文本和图像"单元格。

    private void btnInsertData_Click(object sender, EventArgs e)
    {
        //Code to insert rows on the grid.
         ImageRowDisplay();
    }

参考如何在C#中的datagridview的一个单元格中插入带文本的图像

当您在运行时更改行高时，您还必须处理这种情况，因为图像仍然与单元格顶部对齐。

为了避免这种情况，您可以更新位置：

    protected override void Paint(Graphics graphics, Rectangle clipBounds,
    Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState,
    object value, object formattedValue, string errorText,
    DataGridViewCellStyle cellStyle,
    DataGridViewAdvancedBorderStyle advancedBorderStyle,
    DataGridViewPaintParts paintParts)
    {
        // Paint the base content
        base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
           value, formattedValue, errorText, cellStyle,
           advancedBorderStyle, paintParts);
        if (this.Image != null)
        {
            // Draw the image clipped to the cell.
            System.Drawing.Drawing2D.GraphicsContainer container =
            graphics.BeginContainer();
            graphics.SetClip(cellBounds);
            // ====> Recalculate Location to have a Middle alignment
            int verticalPosition = cellBounds.Y + ( (cellBounds.Height/2) - (this.Image.Height/2) );
            cellBounds.Location = new Point(cellBounds.X, verticalPosition);
            graphics.DrawImageUnscaled(this.Image, cellBounds.Location);
            graphics.EndContainer(container);
        }
    }

这是更好的

                graphics.DrawImageUnscaled(this.Image, new Point(cellBounds.Location.X + 2, cellBounds.Location.Y + ((cellBounds.Height-this.Image.Height)/2)));

您可以将DataGridView单元格动态转换为DataGridViewTextBoxCell（），并显示该列的文本值。下面的代码示例为您提供了一些基本的想法。

private void DisplayButton_Click(object sender, EventArgs e)
{
    dataGridView1.Rows[3].Cells["ImageCol"] = new DataGridViewTextBoxCell();
    dataGridView1.Rows[3].Cells["ImageCol"].Value = "Hello..";  
}