FindControl在各种场合的应用

Datalist

    protected void dlComment_ItemDataBound(object sender, DataListItemEventArgs e)
    {
        Label label = ((Label)e.Item.FindControl("Label2"));
        if (label.Text == "0")
        {
            label.Text = "游客";
        }
        else
        {
            DB manager = new DB();
            label.Text=manager.oneNumber("select username from bbs_users where uid=" + label.Text);
        }
    }

 

  gridview

 protected void gvArtice_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            string fileName = ((HyperLink)e.Row.Cells[5].FindControl("HyperLink1")).Text;
            bool exists = File.Exists(Server.MapPath("~/htmllw/"+fileName));
            Label lable = (Label)e.Row.Cells[5].FindControl("Label1");
            if (exists)
            {                
                 lable.Text = "已生成";                
                ((CheckBox)e.Row.Cells[6].FindControl("CheckBox1")).Checked = true;
            }
            else
            {
                lable.Text = "未生成";
                lable.ForeColor = System.Drawing.Color.Red;
            }
        }

 

 

    protected void btnToHtml_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < gvArtice.Rows.Count; i++)
        {
            CheckBox cb = ((CheckBox)gvArtice.Rows[i].Cells[6].FindControl("CheckBox1"));
            if (cb.Checked == true)
            {
                string htmlName = ((HyperLink)(gvArtice.Rows[i].Cells[5].FindControl("HyperLink1"))).Text;
                string ddlName = ((DropDownList)FindControl("ddlChannel")).Text;
                int id = Convert.ToInt32(gvArtice.Rows[i].Cells[0].Text);
                string dir;
                string tempName;
                switch (ddlName)
                {
                    case "1": dir = "htmlLw"; tempName = "tempLw.htm"; break;
                    case "2": dir = "htmlAl"; tempName = "tempAl.htm"; break;
                    case "3": dir = "htmlTz"; tempName = "tempTz.htm"; break;
                    case "4": dir = "htmlBz"; tempName = "tempBz.htm"; break;
                    case "5": dir = "htmlYb"; tempName = "tempYb.htm"; break;
                    case "6": dir = "htmlRj"; tempName = "tempRj.htm"; break;
                    default: dir = "htmlQt"; tempName = "tempQt.htm"; break;
                }

                try
                {

                    createHtml.toHtml(htmlName, dir, tempName, "", "",id);
                }
                catch (Exception eToHtml)
                {
                    Response.Write(eToHtml.Message);
                }
            }
        }
        //Response.Redirect("AuditArticle.aspx");
    }