ASP.NET GridView超链接问题

qinzugan 2011-11-26 04:44:26

我在做项目时,在GridView建一个超链接列,开始超链接是死的,上面绑定了好多参数,



         HyperLinkColumn ruleNameColumn = new HyperLinkColumn();

            ruleNameColumn.HeaderText = "RuleID";

            ruleNameColumn.DataTextField = "RuleID";

            ruleNameColumn.DataNavigateUrlField = "RuleID";

            ruleNameColumn.HeaderStyle.Width = 100;

            ruleNameColumn.DataNavigateUrlFormatString = "ByRun.aspx?UpPage=ByRule&RuleID={0}&ModuleID=" + module + "&EQID=" + EQID + "&SDT=" + startTime + "&EDT=" + endTime;

            DataGrid2.Columns.Add(ruleNameColumn);

问题在于内容中添加行数据后,需要根据某个值来决定跳到哪个页面,也就是需要添加数据后根据该行中某个值来更改列中的DataNavigateUrlFormatString,我没有接触过这样的问题，我分不多，会尽力给.

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ximenwuji 2011-11-27

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不错，学写了

阿非 2011-11-27

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在 RowDataBound 中写代码进行处理。

FindControl 效率不高，可以自己写查找函数实现此功能

或者用下标访问

bonnibell 2011-11-26

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Gridview 添加 RowDataBound 事件



   <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnRowDataBound="GridView1_RowDataBound">

            <Columns>

                <asp:BoundField DataField="ID" HeaderText="编号" />

                <asp:TemplateField HeaderText="查看">

                    <ItemTemplate>

                        <asp:HyperLink ID="HyperLink1" runat="server"></asp:HyperLink>

                    </ItemTemplate>

                </asp:TemplateField>

            </Columns>

        </asp:GridView>



using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Collections.Generic;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;



public partial class Default2 : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        DataTable dt = new DataTable();

        dt.Columns.Add("ID", typeof(string));

        dt.Columns.Add("Name", typeof(string));

        DataRow dr = null;

        for (int i = 0; i < 5; i++)

        {

            dr = dt.NewRow();

            dr["ID"] = i.ToString();

            dr["Name"] = "Name" + i.ToString();

            dt.Rows.Add(dr);

        }

        GridView1.DataSource = dt;

        GridView1.DataBind();

    }





    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)

    {

        if (e.Row.RowType != DataControlRowType.DataRow)

        {

            return;

        }



        if (e.Row.FindControl("HyperLink1") != null)

        {

            HyperLink link = e.Row.FindControl("HyperLink1") as HyperLink;



            if (link != null)

            {

                DataRowView drv = e.Row.DataItem as DataRowView;

                link.Text = drv.Row["Name"].ToString();



                if (Int32.Parse(drv.Row["ID"].ToString()) % 2 == 0)

                {

                    link.NavigateUrl = "A.aspx";

                }

                else

                {

                    link.NavigateUrl = "B.aspx";

                }

            }

        }

    }

}