1. 打开新的窗口并传送参数:
OkO"t | T"{q 传送参数:
tI C_/
6 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
q&
Vt* Yazpfw 7'd 接收参数:
3r{'@Y
=)Y string a = Request.QueryString("id");
es(vWf' string b = Request.QueryString("id1");
W:>RstbnMG 5y"yd6O]O5 2.为按钮添加对话框
MJXm7<( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
ix&hsNzD button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Aq|LeH u-k?ef 3.删除表格选定记录
{+t'XkA int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
uYMW5k_,> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
{hRAR8 *<#&ne8 4.删除表格记录警告
a}c(#ZLs private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
C>;yW7*g" {
r% '2a+}D switch(e.Item.ItemType)
5#f&WL*U@ {
nw5#/5xw case ListItemType.Item :
oaBfq8,; case ListItemType.AlternatingItem :
I"JT3[*s case ListItemType.EditItem:
ESASsRzk TableCell myTableCell;
w-CuO4P myTableCell = e.Item.Cells[14];
y9)l,@D LinkButton myDeleteButton ;
Qw5M\
myDeleteButton = (LinkButton)myTableCell.Controls[0];
C.(ZXU7 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
` ?6m0|\@ break;
v @N8v default:
"3j0) break;
G:e} >' }
{@,
L IB*%PMTF }
$~~=SOd0 3.d=1|E 5.点击表格行链接另一页
,.}PZL private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
uV
6f~cQ {
G(0bulq //点击表格打开
j ^!J:Bj if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yMSRUQ
x e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
P7y[9|^ }
%""CacX 329xo03-[ 双击表格连接到另一页
WAdl@){ :6M0`V;L 在itemDataBind事件中
Y]gt86 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*,n7& {
@g= A\2 string OrderItemID =e.item.cells[1].Text;
^3yjE/Wi" ...
n'h
)(^ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
w\2[dd }
r2H'r
,N >Ia(g0 双击表格打开新一页
UZAWh R if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
X"1<G3m4 {
eO9nn9lql string OrderItemID =e.item.cells[1].Text;
~V|!\CB ...
"4?hK e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!eTS PM }
+`4}bc,G b{dzbmak ★特别注意:【?id=】 处不能为 【?id =】
z~Pmh%b 6.表格超连接列传递参数
``E;!r="v <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
fVN}7PH7+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
$c y:G /pge 7P 7.表格点击改变颜色
yED^/=\)} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
AeJM[fCMa {
f%}+.eD e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
jN<]yhqf this.style.color=’buttontext’;this.style.cursor=’default’;");
QNtr = }
bn(Scl#@K ?rK%;GTo 写在DataGrid的_ItemDataBound里
=J'?>-B if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
p.\KmEx {
`x#~- e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
^+wzm2i this.style.color=’buttontext’;this.style.cursor=’default’;");
y;>I'e e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
!fV6KkV }
^/BE=$E\ [:=[QlvV 0l6djN 8.关于日期格式
z0UO<Y?9 vp|=q;Q%r 日期格式设定
c]n03o DataFormatString="{0:yyyy-MM-dd}"
(hV"z; rI %i
" 我觉得应该在itembound事件中
*Fc&DQT( e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
;'
W5|.ZN !?>)[@2
k6 9.获取错误信息并到指定页面
,TtDCcjd%f w+Z};C 不要使用Response.Redirect,而应该使用Server.Transfer
:y
%~9= ^MW%&&,BL e.g
)/AvWDKvO // in global.asax
Iq=B]oE protected void Application_Error(Object sender, EventArgs e) {
8WGM%n#q if (Server.GetLastError() is HttpUnhandledException)
:V2Q n-N Server.Transfer("MyErrorPage.aspx");
iLgt_@g 3# (5Kco //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\xZBu" }
-Mvw'#(0 #]N9/Hij#g Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
;$E[u)l bLzuaNa' 10.清空Cookie
9"RfL7{ Cookie.Expires=[DateTime];
C941@I Response.Cookies("UserName").Expires = 0
"poTM[]tZ7 =4
H K 11.自定义异常处理
bx^EaXj(r //自定义异常处理类
fYjsSUnf using System;
]."c4S_)| using System.Diagnostics;
W>bW1h kw~H%-,] namespace MyAppException
UhTr<(@ {
kf!/9 /// <summary>
?KXQ)Y/su /// 从系统异常类ApplicationException继承的应用程序异常处理类。
$?-o /// 自动将异常内容记录到Windows NT/2000的应用程序日志
FxX3Pq8h /// </summary>
F.5b|&@ public class AppException:System.ApplicationException
/xbZC{R {
vUs7#* public AppException()
Av>j+O ; {
tuUXW5!/ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
-b}S3<15@ }
X4G55]D$> %Nl(Y@dD* public AppException(string message)
@e0skc {
[s{:}ZuKc LogEvent(message);
f4T0Y["QA }
%pkq ?9 %d J>8.jW@ public AppException(string message,Exception innerException)
R<-C>D {
PEt8,,x<" LogEvent(message);
WN/#9]` P if (innerException != null)
I=yj {
%u0;.3Gw LogEvent(innerException.Message);
*9ub.:EUwV }
f1$mh1J W }
}C"*ACjF gA1in //日志记录类
p-r%MnT using System;
5@+E i25 using System.Configuration;
Z*>/@ J} using System.Diagnostics;
f$|v0Xs using System.IO;
$2C GRhC using System.Text;
s7i.p] using System.Threading;
Q]5^Eiq8 -b0'Q namespace MyEventLog
9Pp|d"6]y {
+()t8,S, /// <summary>
hYXZ21(K# /// 事件日志记录类,提供事件日志记录支持
xyjVdD\ /// <remarks>
%e7(HfW-U /// 定义了4个日志记录方法 (error, warning, info, trace)
X5|/s::u /// </remarks>
i!$^NIcJ /// </summary>
u\6]^T6 public class ApplicationLog
LZC?383' {
6Hbf9,vI /// <summary>
ZHF(q6T /// 将错误信息记录到Win2000/NT事件日志中
?g;ZbD /// <param name="message">需要记录的文本信息</param>
TWR$D /// </summary>
_d| 62VS public static void WriteError(String message)
6 _5d {
fTHun?Vn WriteLog(TraceLevel.Error, message);
a950M7 }
:-\ yy ,;iBeqr5 /// <summary>
"x|NG,<[9 /// 将警告信息记录到Win2000/NT事件日志中
OW^2S_H5 /// <param name="message">需要记录的文本信息</param>
r%,H*DOu /// </summary>
{rvbo1t public static void WriteWarning(String message)
ZutB_uW {
&u1g7#
# WriteLog(TraceLevel.Warning, message);
2>}\XKF). }
YZH#5]o8 uB<F.!3 /// <summary>
.?0>5-SfY /// 将提示信息记录到Win2000/NT事件日志中
lke~>0; /// <param name="message">需要记录的文本信息</param>
~`\9Q /// </summary>
+|?|8"Qg public static void WriteInfo(String message)
mheU#&| {
&6t3SZV WriteLog(TraceLevel.Info, message);
.i+* #djx }
U$A7EFK' /// <summary>
f' '{.L /// 将跟踪信息记录到Win2000/NT事件日志中
e*P=2*]M /// <param name="message">需要记录的文本信息</param>
XW?ybH6 /// </summary>
Aa`MK$29F public static void WriteTrace(String message)
1O9p YW5J {
MKe^_uF WriteLog(TraceLevel.Verbose, message);
Y%/ YFO2vb }
G;Wkm| JEsLF{ /// <summary>
`.>k)=F& /// 格式化记录到事件日志的文本信息格式
W{A
#]r l /// <param name="ex">需要格式化的异常对象</param>
kG$E
tE# /// <param name="catchInfo">异常信息标题字符串.</param>
SH
vaV[C /// <retvalue>
~ThVap[* /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$7UoL,N> /// </retvalue>
6QII&Fg /// </summary>
CZyz;Jtk public static String FormatException(Exception ex, String catchInfo)
~!ZmF(: {
*#1y6^ StringBuilder strBuilder = new StringBuilder();
F!gNt<fZ if (catchInfo != String.Empty)
'%SR. JL {
)u8*zwq strBuilder.Append(catchInfo).Append("\r\n");
tlV &eN }
<)O>MI'
4 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
KdT[*- return strBuilder.ToString();
WR/o
@$/ }
(#6AKr9K sdJ%S*)5G$ /// <summary>
\ ] /// 实际事件日志写入方法
V@D]bV@4 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
2W^B{ZS; /// <param name="messageText">要记录的文本.</param>
HDmx@E.@ /// </summary>
M18qa,fK{ private static void WriteLog(TraceLevel level, String messageText)
+Edzjf~Tt {
/gz:zThf{ try
G'f9N^w {
<4bz/^ EventLogEntryType LogEntryType;
j8GY`f# switch (level)
E6Q]A~ {
A8pj~I/*- case TraceLevel.Error:
T[;;9z LogEntryType = EventLogEntryType.Error;
1 -ZJT break;
}zFf0.82 case TraceLevel.Warning:
Y[Q@WdE9 LogEntryType = EventLogEntryType.Warning;
_1^8xFe2 break;
mZ~ qG5@/F case TraceLevel.Info:
}I]j&\ LogEntryType = EventLogEntryType.Information;
n/QfdAg break;
q!6|lZ B3 case TraceLevel.Verbose:
&]P"48NT LogEntryType = EventLogEntryType.SuccessAudit;
nPcS3!7B# break;
:{LAVMG&^ default:
'LVn^TB_f& LogEntryType = EventLogEntryType.SuccessAudit;
\dRzS@l break;
QyPg
|#T2> }
X8/Tl\c ' .B.V?7 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
n*Q`g@` //写入事件日志
5|ic3 eventLog.WriteEntry(messageText, LogEntryType);
<i{K7}': q-3]jHChh }
xXX/]x> catch {} //忽略任何异常
GCT@o!
}
AZ[75> } //class ApplicationLog
'b^l'KN:S }
9tn;L"#&N Sw)i1S9 12.Panel 横向滚动,纵向自动扩展
m0|K#^ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Y\xUT>(J7 @mf({Q> 13.回车转换成Tab
79ckLd9 <script language="javascript" for="document" event="onkeydown">
#,L~w if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
YOyp|%! event.keyCode=9;
8pXKO"u], </script>
.NJ|p=fy V8hO8 onkeydown="if(event.keyCode==13) event.keyCode=9"
hSB?@I4s<\ B^fT>1P 14.DataGrid超级连接列
_%y4q%# DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
MRfb[p3Cx ]H ~Y7\N-v 15.DataGrid行随鼠标变色
r}_lxr private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
DG(%-w8p" {
2j&v;dmh< if (e.Item.ItemType!=ListItemType.Header)
m@jge)O&D {
!aPD}xCH# e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
o}8I_o&]U e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
PWH^=K }
3JO]f5 }
}aF jk*tL8?i 16.模板列
w{!(r <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ExVDkt0 <ITEMTEMPLATE>
tx"LeZZ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
x)SralWb </ITEMTEMPLATE>
m:uPEpcU </ASP:TEMPLATECOLUMN>
+dk fcG 9sSN<7 <ASP:TEMPLATECOLUMN headertext="选中">
,zhJY ?sk <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
,:)`+v< <ITEMTEMPLATE>
T%$jWndI <ASP:CHECKBOX id="chkExport" runat="server" />
ZF6c{~D </ITEMTEMPLATE>
Ipe n <EDITITEMTEMPLATE>
DkDoA;m <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
k?*KnfVh! </EDITITEMTEMPLATE>
_ \D"E>oM </ASP:TEMPLATECOLUMN>
Y-)xTn ${I*nh>= 后台代码
+bA% protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
J0Z7l {
3Bd X //改变列的选定,实现全选或全不选。
8w_7O>9 CheckBox chkExport ;
***a2Z/( if( CheckAll.Checked)
uo2'"@[e {
! zL1;d foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
tF7hFL5f {
tGjhHp8}c chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
rf.`h{!! chkExport.Checked = true;
8)L*AdDAW! }
/@"Y^ }
:"Y*<=x#2 else
s?2$ue&-f {
\?**2{9&) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Kcy@$uF{2 {
[;A[.&6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
u
8^{ chkExport.Checked = false;
SJ?cI!=x }
MSw$_d }
%Ip*Kq- }
GbI-SbE H1/?+N}( 17.数字格式化
B07v^!Z> "ZrOrdlg+A 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ICC%,$C~l <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-0Cnp/Yj@ ~q+hV+fa> int i=123456;
+s++7<C string s=i.ToString("###,###.00");
{pL+2%`~ %}-?bHB1c 18.日期格式化
>R\lqLILb, l+*&:Q/ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
cxIk<&i~( GZip\S4Y 显示为: 2004-8-11 19:44:28
A\fb< v{aq`uH 我只想要:2004-8-11 】
:Dt~e| <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
~PnTaAPJ ,m_WR7!$E 应该如何改?
8NBT|N~N 2ZcKK8X;7 【格式化日期】
#|[
M?3 6eFp8bANN# 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
{vEOn-(7 m_+sR!\H8 【日期的验证表达式】
}%7NF* R:X0'zeRr A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
+{<#(} ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
HpZ1xT 3cdTed-MIh B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
a2IgC25 ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
ryB}b1`D '2^7-3_1 【大小写转换】
8N&+7FK HttpUtility.HtmlEncode(string);
1u3,'8F HttpUtility.HtmlDecode(string)
Rk!X]-`= WOzf]3Xcj 19.如何设定全局变量
JjaoOe i4Lc$20?d Global.asax中
#7ohQrP U_x )#,4 Application_Start()事件中
ljTBvU >zAUW[]C:I 添加Application[属性名] = xxx;
86]p#n_>Fv g0R~&AN!g 就是你的全局变量
ktIi$v 2 3OC2| 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
ls@i".[ h8Yx#4
HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
7d LuX ;AO#xv+# 【ASPNETMENU】点击菜单项弹出新窗口
!?c|XdjZ 8Nu=^[qwQM 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
)W/;=K <?xml version="1.0" encoding="GB2312"?>
!*RqCS, <MenuData ImagesBaseURL="images/">
M5gWD==uP <MenuGroup>
-f*P
nxg <MenuItem Label="内参信息" URL="Infomation.aspx" >
sMu]
/'7 <MenuGroup ID="BBC">
aDO! <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
1UPC e <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Ym3\pRFiD ......
hzk cP 89r DyRJ; 最好将你的aspnetmenu升级到1.2版
^R:cd8+?% nBk)WX&[K 21.读取DataGrid控件TextBox值
bv&;R foreach(DataGrid dgi in yourDataGrid.Items)
+v=C@2T {
,^uEYT}j TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
xlQBe-Wg tb.Text....
hCC<?5q }
+HBd
%1 sBcPq SMby 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Ytl4kaYS c@8 93<_ 〖思归〗
"1%5, <asp:TemplateColumn HeaderText="数量">
p,eTY[k? <ItemTemplate>
B]Thn <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
#3gp6*R onkeyup="javascript:DoCal()"
\SBc; />
b45-:mi! "vOwd.(?N <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Eea*s' </ItemTemplate>
oM>Z;QVRC: </asp:TemplateColumn>
/ G7vwC -w"VK|SGm <asp:TemplateColumn HeaderText="单价">
uC(V <ItemTemplate>
$7^o#2
B <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
rR(X9i onkeyup="javascript:DoCal()"
toBHkiuD />
,Ge"anO Q o{/@ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
@U& QI* pSdI/Vj'= </ItemTemplate>
<h:x= </asp:TemplateColumn>
a6) BqlJ dtRwTUMe? <asp:TemplateColumn HeaderText="金额">
t*1fLumXR <ItemTemplate>
1cpiHZa <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
#."-#"0 </ItemTemplate>
+ |n*b </asp:TemplateColumn><script language="javascript">
7o#I,d~ function DoCal()
2y;Skp {
RAgg:3^ var e = event.srcElement;
#W4dkCd(pF var row = e.parentNode.parentNode;
Qp_isU var txts = row.all.tags("INPUT");
,9zjFI if (!txts.length || txts.length < 3)
|B.Y6L6l return;
+0nJ Z`ID+ var q = txts[txts.length-3].value;
OR~8sU var p = txts[txts.length-2].value;
d928~y
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_E@2ZnD2 return;
]%@M>?Ywc PUp6Q;AdQ q = parseInt(q);
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+Yxz;Mg p = parseFloat(p);
'3/4?wi [=6]+V83M txts[txts.length-1].value = (q * p).toFixed(2);
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