1. 打开新的窗口并传送参数: ;0kAm
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传送参数: 6P>Y2xV:
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") \; '#8
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接收参数: %K3U`6kHcd
string a = Request.QueryString("id"); XQ[\K6X5
string b = Request.QueryString("id1"); 5|eX@?QF58
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2.为按钮添加对话框 d_$0
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 7Z:HwZ
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") ~b#<HG\,,
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3.删除表格选定记录 1WqCezI
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; -a_qZ7
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() bQI :N
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4.删除表格记录警告 ~ u1~%
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 9+m>|"F0
{ |7,$.MK-@
switch(e.Item.ItemType) 1&e8vVN
{ ]!S#[Wt {k
case ListItemType.Item : }03?eWk/y
case ListItemType.AlternatingItem : Ygg+=@].@
case ListItemType.EditItem: ;8vB7|54.
TableCell myTableCell; S"Vr+x?
myTableCell = e.Item.Cells[14]; UGM:'xa<T
LinkButton myDeleteButton ; 9=iMP~?xF
myDeleteButton = (LinkButton)myTableCell.Controls[0]; d!<>Fh^6,
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); W?E01"p
break; Oz\J+
default: 2l V`UIa
break; r*mYtS
} 2Q(ZW@0
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} l<=k#d
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5.点击表格行链接另一页 X(d:!-_m *
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) emJZ+:%
{ "dndhoMq
//点击表格打开 *$VeR(QN
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) '.pGkXyQ
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); ]5*H/8Ke7
} n3V$Xtxw
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双击表格连接到另一页 6w3[PNd
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在itemDataBind事件中 `xv Uq\
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ^=-25%&^
{ lws.;abm%n
string OrderItemID =e.item.cells[1].Text; !}P^O(oY
... @/As|)
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); D.7cWR`Wp
} B(71I;
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双击表格打开新一页 |I"&Z+m
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) J
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{ E 8W*^^z(
string OrderItemID =e.item.cells[1].Text; SLkgIb~'X
... M^l%*QF[,q
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); ueW/i
} _z]v;Q
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★特别注意:【?id=】 处不能为 【?id =】 obbg#,
6.表格超连接列传递参数 SI6?b1;-:F
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ `{w|2 [C3
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> V0,5c`H c
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7.表格点击改变颜色 ;H%'K
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ,{iMF
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{ po]<sB
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; Gz\wmH&rVz
this.style.color=’buttontext’;this.style.cursor=’default’;"); =Ldf#8J
} p|0SA=?k"
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写在DataGrid的_ItemDataBound里 Zg= {
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) Yqu/_6wLx
{ (NnE\2
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; ;/23CFYM
this.style.color=’buttontext’;this.style.cursor=’default’;"); }|=Fnyj
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); K43`$
} S9b=?? M)
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8.关于日期格式 buKkm$@w
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日期格式设定 H,/=<Th;i
DataFormatString="{0:yyyy-MM-dd}" I)3LJK
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我觉得应该在itembound事件中 rf^IJY[
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) 5D^2
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9.获取错误信息并到指定页面 z:Ru`
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不要使用Response.Redirect,而应该使用Server.Transfer ZLP0SCkuR
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e.g >W:kTS<
// in global.asax ,Wd+&|Q
protected void Application_Error(Object sender, EventArgs e) { )h(=X&(d
if (Server.GetLastError() is HttpUnhandledException) 8-L -W[
Server.Transfer("MyErrorPage.aspx"); /^si(BuC^*
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) ^'sy hI\
} gz:US77
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 |9m*?7
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10.清空Cookie ~-yq,x
Cookie.Expires=[DateTime]; z^KBV^n
Response.Cookies("UserName").Expires = 0 FV OPC:}bj
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11.自定义异常处理
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//自定义异常处理类 70R_O&f-k
using System; 7}mrC@[i
using System.Diagnostics; +OInf_O
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namespace MyAppException }&l%>P
{ k1D|Cpnp
/// <summary> a}k5[)et
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 8js1m55KT
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 R C!~eJG!
/// </summary> ]>+ teG:4
public class AppException:System.ApplicationException o8A(Cg}
{ xiC.M6/
public AppException() u3 4.
{ ){tTB
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); p@YbIn
} ]*rK;
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public AppException(string message) >bw q
{ py/#h$eY
LogEvent(message); N71%l
} %x^ U3"7
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public AppException(string message,Exception innerException) \VAS<?3
{ 2;SiH]HNS
LogEvent(message); 0n?^I>j
if (innerException != null) nG|
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{ |)ALJJ=+
LogEvent(innerException.Message); ge&!GO
} v?q)E%5j
} p"Di;3!y!
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//日志记录类 Is (
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using System; ^"J)^3j<
using System.Configuration; :RX zqC
using System.Diagnostics; Lnltt86
using System.IO; 9iK%@k
using System.Text; cEPqcy
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using System.Threading; 2B=BRVtSs
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namespace MyEventLog pc](
{ `jGG^w3
/// <summary> $)jf
/// 事件日志记录类,提供事件日志记录支持 cD<5~ `l
/// <remarks> ~5~Cpu2v7
/// 定义了4个日志记录方法 (error, warning, info, trace) SivJaY%
/// </remarks> 0{47TX*YX
/// </summary> K3J,f2Cn$
public class ApplicationLog ? C6tYd
{ *b(nX,e
/// <summary> E^Z?X2Z
/// 将错误信息记录到Win2000/NT事件日志中 Bc?KAK
/// <param name="message">需要记录的文本信息</param> cs Gd}2VE
/// </summary> @_"Z]Y ,D0
public static void WriteError(String message) Dgz^s^fxU
{ tNDv[IF
WriteLog(TraceLevel.Error, message); ]M&KUgz
} >yt8gw0J
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/// <summary> ";w"dfC^
/// 将警告信息记录到Win2000/NT事件日志中 (5=B^9{R
/// <param name="message">需要记录的文本信息</param> {=T9_c
/// </summary> Y$eO:67;
public static void WriteWarning(String message) lMb&F[KJ7
{ SOJkeN
WriteLog(TraceLevel.Warning, message); mA\}zLw+r9
} C.=[K_
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/// <summary> AKUmh
/// 将提示信息记录到Win2000/NT事件日志中 c"S{5xh0&
/// <param name="message">需要记录的文本信息</param> 3TnrPO1E
/// </summary> o;{BI
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public static void WriteInfo(String message) zHQSx7Ow 5
{ 6tBe,'*
WriteLog(TraceLevel.Info, message); u'"]{.K>fb
} = _/XFN
/// <summary> /G!M\teeF
/// 将跟踪信息记录到Win2000/NT事件日志中 &^K,"a{
/// <param name="message">需要记录的文本信息</param> p']oy;t
/// </summary> qbD[<T
public static void WriteTrace(String message) te#Wv9x
{ 0{.[#!CSk
WriteLog(TraceLevel.Verbose, message); zXv2plw(
} ,-5|qko=
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/// <summary> 8/ PS#dM\
/// 格式化记录到事件日志的文本信息格式 JR4fJG
/// <param name="ex">需要格式化的异常对象</param> :z%q09.)
/// <param name="catchInfo">异常信息标题字符串.</param> 9 EV. ![
/// <retvalue> )8JM.:,
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> mW 'sdb
/// </retvalue> '0jn|9l58
/// </summary> Dq9*il;'
public static String FormatException(Exception ex, String catchInfo) !,JV<(7k
{ 3V0^v
StringBuilder strBuilder = new StringBuilder(); :$&