鴨爸的隨手寫寫

PreRender是在頁面呈現之前去觸發的所以選擇寫在GridView1_PreRender。

protected void GridView1_PreRender1(object sender, EventArgs e)
{
    int i = 1;
    foreach (GridViewRow gvItem in GridView1.Rows)
    {
        if (gvItem.RowIndex != 0)
        {
            //比對如果名稱如果相同就合併(RowSpan+1)
            if (gvItem.Cells[0].Text.Trim() == GridView1.Rows[(gvItem.RowIndex - i)].Cells[0].Text.Trim())
            {
                GridView1.Rows[(gvItem.RowIndex - i)].Cells[0].RowSpan += 1;
                gvItem.Cells[0].Visible = false;
                i = i + 1;
            }
            else
            {
                GridView1.Rows[(gvItem.RowIndex)].Cells[0].RowSpan += 1;
                i = 1;
            }
        }
        else
        {
            gvItem.Cells[0].RowSpan = 1;
        }
    }
}

結果：