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如何控制DataGrid里的内容换行与不换行

2019-11-18 12:00:36
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  需求千奇百怪,有的要求表格里的内容自动换行,有的不要求,其实设置DataGrid的CSS样式单属性即可实现大部分的需求,但对于不换行的实现,单靠样式单还不能完全满足要求,下面就是一种解决的方法:
  
  <%@ Page Language="C#" AutoEventWireup="True" %>
  <%@ Import Namespace="System.Data" %>
  <Html>
  <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
        <a href='http://dotnet.aspx.cc/'>http://dotnet.aspx.cc/</a>,
        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 = "<nobr>" + e.Item.Cells[1].Text + "</nobr>";
  }
  
  </script>
  <body>
  <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>
  </body>
  </html>

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