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Asp.net常用的51个代码(非常实用)

1.弹出对话框.点击转向指定页面

  Code:

  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.msproject.cn/index.asp'</script>");

  2.弹出对话框

  Code:

  Response.Write("<script language='javascript'>alert('产品添加成功 !')</script >");

  3.删除文件

  Code:

  string filename ="20059595157517.jpg";

  pub.util.DeleteFile(HttpContext.Current.Server.MapPath("../file/")+filename);

  4.绑定下拉列表框datalist

  Code:

  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.光阴去秒显示

  Code:

  <%# System.DateTime.Parse(DataBinder.Eval(Container.DataItem,"begtime").ToString()).ToShortDateString()%>

  6.标题 带链接

  Code:

  <%# "<a class=\"12c\" target=\"_blank\" href=\"">"+ DataBinder.Eval(Container.DataItem,"proname")+"</a>"%>

  7.修正转向

  Code:

  <%# "<A href=\"editpushpro.aspx?id="+DataBinder.Eval(Container.DataItem,"code")+"\">"+"修正 "+"</A>"%>

  8.弹出断定按钮

  Code:

  <%# "<A id=\"btnDelete\" onclick=\"return confirm('你是否断定删除这条记载 吗?');\" href=\"pushproduct.aspx?dl="+DataBinder.Eval(Container.DataItem,"code")+"\">"+"删除"+"</A>"%>

  9.输出数据款式化 "{0:F2}" 是款式 F2表现小数点后剩两位

  Code:

  <%# DataBinder.Eval(Container, "DataItem.PriceMoney","{0:F2}") %>

  10.提取动态网页内容

  Code:

  Uri uri = new Uri("");

  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

  Code:

  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:

  Code:

  response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")

  接管参数:

  Code:

  string a = Request.QueryString("id");

  string b = Request.QueryString("id1");

  12.为按钮添加对话框

  Code:

  Button1.Attributes.Add("onclick","return confirm(’确认?’)");

  button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")

  13.删除表格选定记载

  Code:

  int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];

  string deleteCmd = "Delete from Employee where emp_id = " + intEmpID.ToString()

  14.删除表格记载 警告

  Code:

  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(&

作者:吴旭晓 | 来源:个人博客 | 点击量:2926 | 发布时间:2010-12-10
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