1.//彈出對話框.點(diǎn)擊轉(zhuǎn)向指定頁面
Response.Write(" <script>window.alert('該會(huì)員沒有提交申請,請重新提交!')
</script>");
Response.Write(" <script>window.location
='http://www.51aspx.com/bizpulic/upmeb.aspx' </script>");
2.//彈出對話框
Response.Write(" <script language='javascript'>alert('產(chǎn)品添加成功!')
</script >");
3.//刪除文件
string filename ="20059595157517.jpg";
pub.util.DeleteFile(HttpContext.Current.Server.MapPath("../file/")
+filename);
4.//綁定下拉列表框datalist
System.Data.DataView dv=conn.Exec_ex("select -1 as code,'請選擇經(jīng)營模式'
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.//時(shí)間去秒顯示
<%# System.DateTime.Parse(DataBinder.Eval
(Container.DataItem,"begtime").ToString()).ToShortDateString()%>
6.//標(biāo)題帶鏈接
<%# " <a class=\"12c\" target=\"_blank\"
href=\"http://www.51aspx/CV/_"+DataBinder.Eval
(Container.DataItem,"procode")+".html\">"+
DataBinder.Eval(Container.DataItem,"proname")+" </a>"%>
7.//修改轉(zhuǎn)向
<%# " <A href=\"editpushpro.aspx?id="+DataBinder.Eval
(Container.DataItem,"code")+"\">"+"修改
"+" </A>"%>
8.//彈出確定按鈕
<%# " <A id=\"btnDelete\" onclick=\"return confirm('你是否
確定刪除這條記錄嗎?');\" href=\"pushproduct.aspx?
dl="+DataBinder.Eval(Container.DataItem,"code")
+"\">"+"刪除"+" </A>"%>
9.//輸出數(shù)據(jù)格式化 "{0:F2}" 是格式 F2表示小數(shù)點(diǎn)后剩兩位
<%# DataBinder.Eval(Container, "DataItem.PriceMoney","{0:F2}
") %>
10.//提取動(dòng)態(tài)網(wǎng)頁內(nèi)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.//獲取" . "后面的字符
i.ToString().Trim().Substring(i.ToString().Trim().LastIndexOf(".")
+1).ToLower().Trim()
12. 打開新的窗口并傳送參數(shù):
傳送參數(shù):
response.write("<script>window.open(’*.aspx?
id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)<
/script>")
接收參數(shù):
string a = Request.QueryString("id");
string b = Request.QueryString("id1");
12.為按鈕添加對話框
Button1.Attributes.Add("onclick","return confirm(’確認(rèn)?’)
");
button.attributes.add("onclick","if(confirm(’are you sure...?
’)){return true;}else{return false;}")
13.刪除表格選定記錄
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
string deleteCmd = "Delete from Employee where emp_id = " +
intEmpID.ToString()
14.刪除表格記錄警告
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(’
您是否確定要?jiǎng)h除這條信息’);");
break;
default:
break;
}
}
15.點(diǎn)擊表格行鏈接另一頁
private void grdCustomer_ItemDataBound(object sender,
System.Web.UI.WebControls.DataGridItemEventArgs e)
{
//點(diǎn)擊表格打開
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType ==
ListItemType.AlternatingItem)
e.Item.Attributes.Add("onclick","window.open(’
Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}
雙擊表格連接到另一頁
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 + "’
");
}
雙擊表格打開新一頁
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.表格超連接列傳遞參數(shù)
<asp:HyperLinkColumn Target="_blank" headertext="ID號"
DataTextField="id" NavigateUrl="aaa.aspx?id=’
?。?# DataBinder.Eval(Container.DataItem, "數(shù)據(jù)字段1")%>’ &
name=’<%# DataBinder.Eval(Container.DataItem, "數(shù)據(jù)字段2")%>’ /
>
17.表格點(diǎn)擊改變顏色
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’;");
}
寫在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.關(guān)于日期格式
日期格式設(shè)定
DataFormatString="{0:yyyy-MM-dd}"
我覺得應(yīng)該在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.獲取錯(cuò)誤信息并到指定頁面
不要使用Response.Redirect,而應(yīng)該使用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異常交給ASP.NET自己處理就okay了 :)
}
Redirect會(huì)導(dǎo)致post-back的產(chǎn)生從而丟失了錯(cuò)誤信息,所以頁面導(dǎo)向應(yīng)該直接在服
務(wù)器端執(zhí)行,這樣就可以在錯(cuò)誤處理頁面得到出錯(cuò)信息并進(jìn)行相應(yīng)的處理
20.清空Cookie
Cookie.Expires=[DateTime];
Response.Cookies("UserName").Expires = 0
21.自定義異常處理
//自定義異常處理類
using System;
using System.Diagnostics;
namespace MyAppException
{
/// <summary>
/// 從系統(tǒng)異常類ApplicationException繼承的應(yīng)用程序異常處理類。
/// 自動(dòng)將異常內(nèi)容記錄到Windows NT/2000的應(yīng)用程序日志
/// </summary>
public class AppException:System.ApplicationException
{
public AppException()
{
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出現(xiàn)一個(gè)未知錯(cuò)誤。");
}
public AppException(string message)
{
LogEvent(message);
}
public AppException(string message,Exception innerException)
{
LogEvent(message);
if (innerException != null)
{
LogEvent(innerException.Message);
}
}
//日志記錄類
using System;
using System.Configuration;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Threading;
namespace MyEventLog
{
/// <summary>
/// 事件日志記錄類,提供事件日志記錄支持
/// <remarks>
/// 定義了4個(gè)日志記錄方法 (error, warning, info, trace)
/// </remarks>
/// </summary>
public class ApplicationLog
{
/// <summary>
/// 將錯(cuò)誤信息記錄到Win2000/NT事件日志中
/// <param name="message">需要記錄的文本信息</param>
/// </summary>
public static void WriteError(String message)
{
WriteLog(TraceLevel.Error, message);
}
/// <summary>
/// 將警告信息記錄到Win2000/NT事件日志中
/// <param name="message">需要記錄的文本信息</param>
/// </summary>
public static void WriteWarning(String message)
{
WriteLog(TraceLevel.Warning, message);
}
/// <summary>
/// 將提示信息記錄到Win2000/NT事件日志中
/// <param name="message">需要記錄的文本信息</param>
/// </summary>
public static void WriteInfo(String message)
{
WriteLog(TraceLevel.Info, message);
}
/// <summary>
/// 將跟蹤信息記錄到Win2000/NT事件日志中
/// <param name="message">需要記錄的文本信息</param>
/// </summary>
public static void WriteTrace(String message)
{
WriteLog(TraceLevel.Verbose, message);
}
/// <summary>
/// 格式化記錄到事件日志的文本信息格式
/// <param name="ex">需要格式化的異常對象</param>
/// <param name="catchInfo">異常信息標(biāo)題字符串.</param>
/// <retvalue>
/// <para>格式后的異常信息字符串,包括異常內(nèi)容和跟蹤堆棧.</para>
/// </retvalue>
/// </summary>
public static String FormatException(Exception ex, String catchInfo)
{
StringBuilder strBuilder = new StringBuilder();
if (catchInfo != String.Empty)
{
strBuilder.Append(catchInfo).Append("\r\n");
}
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
return strBuilder.ToString();
}
/// <summary>
/// 實(shí)際事件日志寫入方法
/// <param name="level">要記錄信息的級別(error,warning,info,trace).</param>
/// <param name="messageText">要記錄的文本.</param>
/// </summary>
private static void WriteLog(TraceLevel level, String messageText)
{
try
{
EventLogEntryType LogEntryType;
switch (level)
{
case TraceLevel.Error:
LogEntryType = EventLogEntryType.Error;
break;
case TraceLevel.Warning:
LogEntryType = EventLogEntryType.Warning;
break;
case TraceLevel.Info:
LogEntryType = EventLogEntryType.Information;
break;
case TraceLevel.Verbose:
LogEntryType = EventLogEntryType.SuccessAudit;
break;
default:
LogEntryType = EventLogEntryType.SuccessAudit;
break;
}
EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
//寫入事件日志
eventLog.WriteEntry(messageText, LogEntryType);
}
catch {} //忽略任何異常
}
} //class ApplicationLog
}
22.Panel 橫向滾動(dòng),縱向自動(dòng)擴(kuò)展
<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
23.回車轉(zhuǎn)換成Tab
(1)
<script language="javascript" for="document" event="onkeydown">
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
event.keyCode=9;
</script>
(2) //當(dāng)在有keydown事件的控件上敲回車時(shí),變?yōu)閠ab
public void Tab(System.Web .UI.WebControls .WebControl webcontrol)
{
webcontrol.Attributes .Add ("onkeydown", "if(event.keyCode==13) event.keyCode=9");
}
24.DataGrid超級連接列
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="http://xx/inc/delete.aspx?ID={0}"
25.DataGrid行隨鼠標(biāo)變色
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if (e.Item.ItemType!=ListItemType.Header)
{
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}
}
26.模板列
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo"
headertext="ID">
<ITEMTEMPLATE>
<ASP LABEL text=’<%# DataBinder.Eval(Container.DataItem,
"ArticleID")%>’ runat="server" width="80%"
id="lblColumn" />
</ITEMTEMPLATE>
</ASP:TEMPLATECOLUMN>
<ASP:TEMPLATECOLUMN headertext="選中">
<HEADERSTYLE wrap="False" horiz></HEADERSTYLE>
<ITEMTEMPLATE>
<ASP:CHECKBOX id="chkExport" runat="server" />
</ITEMTEMPLATE>
<EDITITEMTEMPLATE>
<ASP:CHECKBOX id="chkExportON" runat="server"
enabled="true" />
</EDITITEMTEMPLATE>
</ASP:TEMPLATECOLUMN>
后臺代碼
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
{
//改變列的選定,實(shí)現(xiàn)全選或全不選。
CheckBox chkExport ;
if( CheckAll.Checked)
{
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
chkExport.Checked = true;
}
}
else
{
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
chkExport.Checked = false;
}
}
}
>>step1
【工具】->【外部工具】->按【添加】輸入:
1)標(biāo)題:Web Server Port:8080
2)命令:C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\WebDev.WebServer.EXE
3)參數(shù):/port:8080 /path:$(ProjectDir)
4)【使用輸出窗口】選上
>>>step2
點(diǎn)擊step1后在【工具】菜單上出現(xiàn)的“Web Server Port:8080”選項(xiàng),激活自定義Web Server服務(wù)器,激活后窗口右下角會(huì)出現(xiàn)一個(gè)“asp.net development server”圖標(biāo)?!?
>>>step3
在網(wǎng)站上右擊選擇【屬性頁】->【啟動(dòng)選項(xiàng)】->【使用自定義服務(wù)器】,在基URL輸入 http://localhost:8080/
>>>step4
記得要把該網(wǎng)站或項(xiàng)目的IIS上的運(yùn)行端口也要改成8080:IIS--找到你的項(xiàng)目網(wǎng)站,并且右擊--將端口改成8080
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