zoukankan      html  css  js  c++  java
  • ASP.NET常用语句(转载)

    1.//弹出对话框.点击转向指定页面
    Response.Write(<script>window.alert('该会员没有提交申请,请重新提交!') </script>);
    Response.Write(<script>window.location='http://www.51aspx.com/bizpulic/upmeb.aspx' </script>);

    2.//弹出对话框
    Response.Write(<script language='javascript'>alert('产品添加成功!') </script >);


    3.//删除文件
    string filename =20059595157517.jpg;
    pub.util.DeleteFile(HttpContext.Current.Server.MapPath(../file/) +filename);

    4.//绑定下拉列表框datalist
    System.Data.DataView dv=conn.Exec_ex(select -1 as code,'请选择经营模式'
    as content from dealin union select code,content from dealin;);
    this.dealincode.DataSource=dv;
    this.dealincode.DataTextField=content;
    this.dealincode.DataValueField=code;   
    this.dealincode.DataBind();
    this.dealincode.Items.FindByValue(dv[0][dealincode].ToString()).Selected=true;

    5.//时间去秒显示
    <%# System.DateTime.Parse(DataBinder.Eval (Container.DataItem,begtime).ToString()).ToShortDateString()%>

    6.//标题带链接
    <%# <a class=\12c\ target=\_blank\href=\http://www.51aspx/CV/_DataBinder.Eval
    (Container.DataItem,procode)+.html \>
    DataBinder.Eval(Container.DataItem,proname&quot;) </a>%>

    7.//修改转向
    <%# <A href=\&quot;editpushpro.aspx?id=+DataBinder.Eval
    (Container.DataItem,code)>修改 
    </A>%>

    8.//弹出确定按钮
    <%# &quot; <A id=\btnDelete\ onclick=\return confirm('你是否
    确定删除这条记录吗?');\ href=\pushproduct.aspx?
    dl=DataBinder.Eval(Container.DataItem,code)
    >删除</A>%>

    9.//输出数据格式化 "{0:F2}" 是格式 F2表示小数点后剩两位
    <%# DataBinder.Eval(Container, DataItem.PriceMoney,{0:F2} ) %>

    10.//提取动态网页内容
    Uri uri = new Uri(http://www.51aspx.com/);
      WebRequest req = WebRequest.Create(uri);
      WebResponse resp = req.GetResponse();
      Stream str = resp.GetResponseStream();
      StreamReader sr = new StreamReader(str,System.Text.Encoding.Default);
      string t = sr.ReadToEnd();
      this.Response.Write(t.ToString());

    11.//获取" . "后面的字符
    i.ToString().Trim().Substring(i.ToString().Trim().LastIndexOf(.) +1).ToLower().Trim()


    12. 打开新的窗口并传送参数:
      传送参数:
    response.write(<script>window.open(’*.aspx?
    id=+this.DropDownList1.SelectIndex+ id1=+...+’)<
    /script>)

    接收参数:
    string a = Request.QueryString(id);
    string b = Request.QueryString(id1);


    12.为按钮添加对话框
    Button1.Attributes.Add(onclick,return confirm(’确认?’) );
    button.attributes.add(onclick,if(confirm(’are you sure...? ’)){return true;}else{return false;})

    13.删除表格选定记录
    int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
    string deleteCmd = ”Delete from Employee where emp_id =  + intEmpID.ToString() +“

    14.删除表格记录警告
    private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
    {
      switch(e.Item.ItemType)
      {
      case ListItemType.Item :
      case ListItemType.AlternatingItem :
      case ListItemType.EditItem:
      TableCell myTableCell;
      myTableCell = e.Item.Cells[14];
      LinkButton myDeleteButton ;
      myDeleteButton = (LinkButton)myTableCell.Controls[0];
      myDeleteButton.Attributes.Add(onclick,return confirm(’您是否确定要删除这条信息’););
      break;
      default:
      break;
      }
    }

    15.点击表格行链接另一页
    private void grdCustomer_ItemDataBound(object sender,
    System.Web.UI.WebControls.DataGridItemEventArgs e)
    {
      //点击表格打开
      if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
      e.Item.Attributes.Add(&quot;onclick&quot;,&quot;window.open(’Default.aspx?id=+ e.Item.Cells[0].Text + ’););
    }


    双击表格连接到另一页
      在itemDataBind事件中
    if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType ==
    ListItemType.AlternatingItem)
    {
      string orderItemID =e.item.cells[1].Text;
      e.item.Attributes.Add(ondblclick, location.href=’../ShippedGrid.aspx?id= + orderItemID + ‘);
    }

    双击表格打开新一页
    if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType ==
    ListItemType.AlternatingItem)
    {
      string orderItemID =e.item.cells[1].Text;
      e.item.Attributes.Add(ondblclick, open (’../ShippedGrid.aspx?id=+ orderItemID + ’));
    }

    16.表格超连接列传递参数
    <asp:HyperLinkColumn Target=_blank headertext=ID号 DataTextField=id NavigateUrl=aaa.aspx?id=’
      <%# DataBinder.Eval(Container.DataItem, 数据字段1)%>’ &amp;
    name=’<%# DataBinder.Eval(Container.DataItem, 数据字段2)%>’ / >


    17.表格点击改变颜色
    if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
    {
      e.Item.Attributes.Add (onclick,this.style.backgroundColor=’#99cc00’;
        this.style.color=’buttontext’;this.style.cursor=’default’;);
    }

    写在DataGrid的_ItemDataBound里
    if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
    {
    e.Item.Attributes.Add(onmouseover,this.style.backgroundColor=’#99cc00’;
      this.style.color=’buttontext’;this.style.cursor=’default’;);
    e.Item.Attributes.Add(onmouseout,this.style.backgroundColor= ’’;this.style.color=’’;);
    }

    18.关于日期格式
      日期格式设定
    DataFormatString="{0:yyyy-MM-dd}"
      我觉得应该在itembound事件中
    e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))


    19.获取错误信息并到指定页面
    不要使用Response.Redirect,而应该使用Server.Transfer

    e.g


    // in global.asax
    protected void Application_Error(Object sender, EventArgs e)


         if (Server.GetLastError() is HttpUnhandledException) 
         Server.Transfer(MyErrorPage.aspx); 
         //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
    }
    Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服
    务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理


    20.清空Cookie
    Cookie.Expires=[DateTime];
    Response.Cookies(UserName&quot;).Expires = 0

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  • 原文地址:https://www.cnblogs.com/ZHF/p/1292495.html
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