如何控制DataGrid里的内容换行与不换行？

<% @ Page Language = " C# "  AutoEventWireup = " True "   %>
<% @ Import Namespace = " System.Data "   %>

< script runat = " server " >
int  start_index;
ICollection CreateDataSource() 
... {
  DataTable dt = new DataTable();
  DataRow dr;

  dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
  dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
  dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));

  for (int i = start_index; i < start_index + ItemsGrid.PageSize; i++) 
  ...{
    dr = dt.NewRow();    
    dr[0] = i;
    dr[1] = @"我是中文文字，I am English words，我不想换行，
            I don't wanna have new lines，欢迎访问 
            http://dotnet.aspx.cc/，
            有好料啊：）";
    dr[2] = 1.23 * (i+1);
    
    dt.Rows.Add(dr);
  }
    
  DataView dv = new DataView(dt);
  return dv;
}

void  Page_Load(Object sender, EventArgs e) 
... {
  //对于没有数字的内容，下面这行完全满足要求，但加了数字就不行，必须调用OnItemDataBound
  ItemsGrid.Attributes.Add("style","word-break:keep-all;word-wrap:normal");
    
  //下面这行是自动换行
  //ItemsGrid.Attributes.Add("style","word-break:break-all;word-wrap:break-word");
    
  if (!IsPostBack)
  ...{
    BindGrid();  
  }
}

void  BindGrid() 
... {
  ItemsGrid.DataSource=CreateDataSource();
  ItemsGrid.DataBind();     
}

void  Item_DataBound(Object sender, DataGridItemEventArgs e) 
... {
  if( e.Item.ItemType == ListItemType.Item ||
    e.Item.ItemType == ListItemType.AlternatingItem)
   e.Item.Cells[1].Text = "" + e.Item.Cells[1].Text + ""; 
}



< form runat = " server " >
< asp:DataGrid id = " ItemsGrid "  runat = " server "  BorderColor = " black "
    OnItemDataBound = " Item_DataBound "  AutoGenerateColumns = " false " >

< AlternatingItemStyle BackColor = " #DEDEDE " > AlternatingItemStyle >
< HeaderStyle BackColor = " #EEEEFF "  HorizontalAlign = " Center " > HeaderStyle >

< Columns >
   < asp:BoundColumn HeaderText = " 序号 "  DataField = " IntegerValue " />
   < asp:BoundColumn HeaderText = " 文字 "  DataField = " StringValue " />
   < asp:BoundColumn HeaderText = " 价格 "  DataField = " CurrencyValue "  DataFormatString = " {0:c} " >
   < ItemStyle HorizontalAlign = " right " > ItemStyle >
   asp:BoundColumn >
Columns >

asp:DataGrid >
form >