gridview等控件可以这样绑定字段

/// <summary>
/// 删除
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnDelete_Click(object sender, EventArgs e)
{
for (int i = 0; i <= gvProducts.Rows.Count - 1; i++)
{

CheckBox cbox = (CheckBox)gvProducts.Rows[i].FindControl("CheckBox1");
if (cbox.Checked == true)
{
int ID = Convert.ToInt32(gvProducts.DataKeys[i].Value);
clsIProduct Rpro = new clsRProduct();
int m = Rpro.Delete(ID);
}
}
Bind();
}
protected void lbtnUpdateRecommend_Command(object sender, CommandEventArgs e)
{

}

/// <summary>
/// 搜索
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>

protected void gvProducts_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType==DataControlRowType.DataRow)
{
e.Row.Attributes.Add("onMouseOver","SetNewColor(this);");
e.Row.Attributes.Add("onMouseOut", "SetOldColor(this);");
}
}

<asp:GridView ID="gvProducts" runat="server" AutoGenerateColumns="False" DataKeyNames="ID"
GridLines="None" CellPadding="0" CssClass="talbe_list" OnRowDataBound="gvProducts_RowDataBound">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" />
</ItemTemplate>
<HeaderStyle CssClass="th20 tou" />
<ItemStyle CssClass="nolet" />
</asp:TemplateField>
<asp:TemplateField HeaderText="留言公司">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Name") %>'></asp:TextBox>
</EditItemTemplate>
<ItemStyle CssClass="left2" />
<ItemTemplate>
<%# PB_Dailiinfo(Convert.ToInt32(Eval("ID").ToString()))%>
<%# GetNewTitle(DataBinder.Eval(Container.DataItem, "RequestContent").ToString(), Eval("ID").ToString())%>
</ItemTemplate>
</asp:TemplateField>

<asp:TemplateField HeaderText="留言内容">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Name") %>'></asp:TextBox>
</EditItemTemplate>
<ItemStyle CssClass="left2" />
<ItemTemplate>
<%# GetNewTitle(DataBinder.Eval(Container.DataItem, "RequestContent").ToString(), Eval("ID").ToString())%>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="Phone" HeaderText="联系方式">
<HeaderStyle CssClass="th80" />
</asp:BoundField>
<asp:BoundField DataField="AddDate" HeaderText="日期">
<HeaderStyle CssClass="th80" />
</asp:BoundField>
<asp:BoundField DataField="UserName" HeaderText="留言人">
<HeaderStyle CssClass="th80" />
</asp:BoundField>
<asp:TemplateField HeaderText="操作选项">
<ItemTemplate>
<!-- <a href='ProductEdit.aspx?ID=<%# Eval("ID") %>'>编辑</a> |-->
<asp:LinkButton CommandName="delete" ID="lnkdelete" CommandArgument='<%# DataBinder.Eval(Container.DataItem, "ID") %>'
OnCommand="lnkdelete_Command" runat="server" Text="删除" OnClientClick="return confirm('你确定要删除吗?')"></asp:LinkButton>
</ItemTemplate>
<HeaderStyle CssClass="th80" />
</asp:TemplateField>
</Columns>
<HeaderStyle CssClass="header" />
</asp:GridView>

public string PB_Dailiinfo(int id)
{

int msgid = 0;
string gongsi = "";
int chanpin = 0;
string result = "";
try
{
msgid = Convert.ToInt32(id);
if (msgid > 0)
{
string sqlstr = "select [ProductId],[CompanyName] from W_VisitorRequest where ID='" + msgid + "'";
DataTable dt = SqlOperate.SqlHelper.ExecuteSqlQuery(sqlstr);
if (dt.Rows.Count > 0)
{
try { gongsi = dt.Rows[0]["CompanyName"].ToString(); }
catch (Exception) { }
try { chanpin = Convert.ToInt32(dt.Rows[0]["ProductId"].ToString()); }
catch (Exception) { }
if (gongsi != "")
{
result = gongsi;
}
else if (chanpin != 0)
{
string sqlstr1 = "select * from C_Supply where ID='" + chanpin + "'";
DataTable dt1 = SqlOperate.SqlHelper.ExecuteSqlQuery(sqlstr1);

string gongsiname = "";

try { gongsiname = SqlOperate.SqlHelper.ExecuteScalar("select CompanyName from U_UserInfo where UserID='" + dt1.Rows[0]["UserID"] + "'").ToString(); }
catch (Exception) { }
result = gongsiname;
}
}
return result;
}
else
{
return null;
}
}
catch (Exception) { return "没有此信息！"; }

}

private void Bind()
{
btnDelete.Attributes.Add("onclick", "javascript:return confirm('你确认要删除吗?')");
string strURl = Request.RawUrl;
strURl = strURl.Substring(0, strURl.IndexOf(".aspx")) + ".aspx";
PageNo1.Strurl = strURl;
string strWhere = "";
PageNo1.Table = "W_VisitorRequest";
PageNo1.FldName = "AddDate";
PageNo1.StrGetFields = "W_VisitorRequest.*";
PageNo1.PageSize = 12;
if (Request.QueryString["page"] != null && Request.QueryString["page"] != "")
{
PageNo1.Pageindex = Convert.ToInt32(Request.QueryString["page"].ToString());
if (Session["strWhere"] != null)
strWhere = Session["strWhere"].ToString();
PageNo1.Where = strWhere;
DataTable dt = PageNo1.BindViewDesc();
if (dt.DefaultView.Count == 0)
{
lblMessage.Visible = true;
lblMessage.Text = "暂无数据信息";
}
else
lblMessage.Visible = false;
gvProducts.DataSource = dt.DefaultView;
gvProducts.DataBind();
}
else {
PageNo1.Where = "";
Session["strWhere"] = "";
PageNo1.Pageindex = 1;
DataTable dt = PageNo1.BindViewDesc();
if (dt.DefaultView.Count == 0)
{
lblMessage.Visible = true;
lblMessage.Text = "暂无数据信息";
}
else
lblMessage.Visible = false;
gvProducts.DataSource = dt.DefaultView;
gvProducts.DataBind();
}
}