按实际要求格式化显示DataGrid中字段值的方法_[Asp.Net教程] 源程序：
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HTMLControls;

///

/// Summary description for idbSample.
///

public class idbSample : System.Web.UI.Page
{

#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

///

/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///

private void InitializeComponent()
{
this.dgContacts.ItemDataBound +=
new System.Web.UI.WebControls.DataGridItemEventHandler(this.dgContacts_ItemDataBound);
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion

protected System.Web.UI.WebControls.DataGrid FormatDataGrid;

private DataSet _dsContacts;

private void Page_Load(object sender, System.EventArgs e)
{
// 装载XML数据原，注意：这里与数据原类型没有关系，换成数据库也是适用的
_dsContacts = new DataSet();
_dsContacts.ReadXML(Server.MapPath("Contacts.XML"));
DataColumn[] dcPk = {_dsContacts.Tables["Contact"].Columns["Email"]};
_dsContacts.Tables["Contact"].PrimaryKey = dcPk;

if (!Page.IsPostBack )
{
BindContacts();
}
}

private void BindContacts()
{
DataView dv = new DataView(_dsContacts.Tables["Contact"]);
dv.Sort = "LastName, FirstName";
dgContacts.DataSource = dv;
dgContacts.DataBind();
}

protected string FormatFullName(object FirstName, object LastName)
{
// 格式划名称列
return (string)LastName + ", " + (string)FirstName;
}

protected void FormatDataGrid_ItemDataBound(object source,
System.Web.UI.WebControls.DataGridItemEventArgs e)
{
// 确保处理的是数据行，而不是Header或者Footer
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
// 得到Manager字段的值
string isManager = (string)DataBinder.Eval(e.Item.DataItem, "Manager");

if (isManager == "1")
{
// ’ 设定文字和背景颜色
e.Item.Cells[2].Text = "经理"
e.Item.Cells[2].Style.Add("font-weight", "bold")
e.Item.Cells[2].ForeColor = System.Drawing.Color.Red
e.Item.BackColor = System.Drawing.Color.AliceBlue
}
else
{
e.Item.Cells[2].Text = "普通员工";
}
}
}
}