1. 打开新的窗口并传送参数:
;#Mq=Fr-SG c\;}ov+ 传送参数:
/n"A%6S response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?94da4p .R-:vU880 接收参数:
,:L}S03k string a = Request.QueryString("id");
<&+l;z string b = Request.QueryString("id1");
crhck'?0 hw1ZTD:Y 2.为按钮添加对话框
<edAWc+ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
7q67_u?@ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
a)Wf* <B iK.MC%8? 3.删除表格选定记录
ZE=~ re int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
~F' $p string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Jk1Up2#B @u$oqjK 4.删除表格记录警告
Ok* :;G@ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
v-Br)lLv {
3cfkJ|fuwe switch(e.Item.ItemType)
*y0`P0V|8 {
Nq9(O#} case ListItemType.Item :
x?j&Jn_@w case ListItemType.AlternatingItem :
IH:Hfv case ListItemType.EditItem:
-6H)GK14b TableCell myTableCell;
,-{j. myTableCell = e.Item.Cells[14];
}& 1_gn15 LinkButton myDeleteButton ;
| z('yy$ myDeleteButton = (LinkButton)myTableCell.Controls[0];
$9l3DJ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
UPgZj\t%{ break;
"1[N;|xa default:
+"SBt}1 break;
o 86}NqK }
?`w ~1 =a {Z7W
}
D<rjxP 5-C6; 7%: 5.点击表格行链接另一页
KlrKGmy,) private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#~#_)\l'F {
c~tkY!c //点击表格打开
.KB*u*h if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
opIcSm& e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
L~yy;)]W }
R
UX @lmk e> 双击表格连接到另一页
oF*Y$OEu?c / _cOg? o 在itemDataBind事件中
fN K~z* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Y8AU<M {
dyx4_!fO string OrderItemID =e.item.cells[1].Text;
J,q: ...
'@:;oe@] e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
MP3E]T~: }
j&&^PH9ZY BShZ)t 双击表格打开新一页
G's/Q-'[\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s/T5aJR {
E@@quK string OrderItemID =e.item.cells[1].Text;
1/{:}9Z@ ...
)WFUAzuN, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Y0b.utR& }
*in_Zt3 /qp`xJ ★特别注意:【?id=】 处不能为 【?id =】
@
J"1!` 6.表格超连接列传递参数
\e=@h!p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
91,\y <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
gr2zt&Z4 SKS[Lf 7.表格点击改变颜色
77
`/YE#M if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
uUJ2d84tV {
B02~/9*Y" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
k9bU< this.style.color=’buttontext’;this.style.cursor=’default’;");
=X1$K_cN }
pkT
a^I mDq01fU4 写在DataGrid的_ItemDataBound里
"Fke(?X' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'shOSB {
&{
f5F7E@ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
ce;9UBkOg2 this.style.color=’buttontext’;this.style.cursor=’default’;");
())|x[>JS+ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~<$8i}7 }
ypsCyDQK` 56v<!L5% _I-0[w 8.关于日期格式
@4Y>)wn&; G%6wk=IH 日期格式设定
H(g&+Wcu= DataFormatString="{0:yyyy-MM-dd}"
C
:e 'wmA 7i'vAOnw^ 我觉得应该在itembound事件中
<oeHZD_OR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ngNg1zV/q w
S;(u[W 9.获取错误信息并到指定页面
'LX=yL]I CtE".UlCA 不要使用Response.Redirect,而应该使用Server.Transfer
M35}5+ NeWssSje e.g
@Xh4ZMyEx // in global.asax
8ZahpB protected void Application_Error(Object sender, EventArgs e) {
ZHB'^#b if (Server.GetLastError() is HttpUnhandledException)
ilNm\fQ. Server.Transfer("MyErrorPage.aspx");
HPgMVp' Jv7M[SJ#x //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
qNvKlwR9;k }
gNO$WY^ FTB"C[> 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
mhs%b4'> LyQO_mT2 10.清空Cookie
85X^T]zo Cookie.Expires=[DateTime];
*}0Q S@FN Response.Cookies("UserName").Expires = 0
w%$n)7<* Dp'/uCW) 11.自定义异常处理
t ?{B* //自定义异常处理类
mki=.l$O using System;
N1SR nJu<f using System.Diagnostics;
Xau.4&\d . XY'l namespace MyAppException
Mu:H'$"'H {
kz??""G7/ /// <summary>
: Z.mM5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
vdo[qk\C /// 自动将异常内容记录到Windows NT/2000的应用程序日志
AfY(+w6!K /// </summary>
!7w-?1?D public class AppException:System.ApplicationException
@e slF {
-Wig k['v public AppException()
00Rk %QV {
EXzY4D ^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
B
O"+m }
Comuc 5-g0 2g public AppException(string message)
0r@rXwz {
O-|3k$'\z LogEvent(message);
Nn^el'S' }
H4pjtVBr ZWFH5#= public AppException(string message,Exception innerException)
v:+se6HY?p {
]F_u LogEvent(message);
Wl,yznT if (innerException != null)
9hq 7: {
+I')>6 LogEvent(innerException.Message);
JAn3 }
i44`$ps }
6ZM<M7(V q}8R>`Z{ //日志记录类
kn<[v;+ using System;
1k7E[G~G| using System.Configuration;
1-,l|K using System.Diagnostics;
f"-?%I*' using System.IO;
b
:+
X3 using System.Text;
Qejzp/2 using System.Threading;
w?R6$n` t EN%mK namespace MyEventLog
0lEIj/u {
d9^h
YS{ /// <summary>
8<o(z'&y /// 事件日志记录类,提供事件日志记录支持
R{WG>c /// <remarks>
y K{~ /// 定义了4个日志记录方法 (error, warning, info, trace)
nqV7Db~ /// </remarks>
sPhh#VCw{ /// </summary>
$DQMN public class ApplicationLog
Coyop#q#"{ {
R` N-^x /// <summary>
'Kq%tM26! /// 将错误信息记录到Win2000/NT事件日志中
LsmC/+7r$1 /// <param name="message">需要记录的文本信息</param>
/1^%32c /// </summary>
.IgCC_C9 public static void WriteError(String message)
-PX {W)Aw {
=A,i9Z& WriteLog(TraceLevel.Error, message);
[3\}Ca1 }
i#eb %9Mn r..Rh9v/=E /// <summary>
U>{z*D /// 将警告信息记录到Win2000/NT事件日志中
T+gqu
&9R /// <param name="message">需要记录的文本信息</param>
{?
6]_J /// </summary>
toP7b public static void WriteWarning(String message)
V43|Ej}E {
6.k2,C4dT< WriteLog(TraceLevel.Warning, message);
;Neld #%J }
(llg!1 p(
z.[ /// <summary>
w
5,- +&; /// 将提示信息记录到Win2000/NT事件日志中
d#A.A<p* /// <param name="message">需要记录的文本信息</param>
O8M;q!)y /// </summary>
d^,u"Z9P public static void WriteInfo(String message)
g4U%(3,>D {
>y2gfD WriteLog(TraceLevel.Info, message);
Of-l<Ks\ }
8?ZK^+]y /// <summary>
lh
.p`^v /// 将跟踪信息记录到Win2000/NT事件日志中
x|1OGbBK /// <param name="message">需要记录的文本信息</param>
!x&/M*nBE /// </summary>
sv
=6?uYW public static void WriteTrace(String message)
`rQA9;Tn2 {
2x t
8F WriteLog(TraceLevel.Verbose, message);
\|Us/_h }
z#*fELV '(~+
\ /// <summary>
>12phLu /// 格式化记录到事件日志的文本信息格式
eR =P /// <param name="ex">需要格式化的异常对象</param>
r
5:DIA! /// <param name="catchInfo">异常信息标题字符串.</param>
H71LJfH /// <retvalue>
{Q I"WFdGx /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
IrM Ws86; /// </retvalue>
A-qdTJP /// </summary>
`gx_+m^ public static String FormatException(Exception ex, String catchInfo)
5hg:@i',
{
'0lX;z1 StringBuilder strBuilder = new StringBuilder();
Ic P]EgB if (catchInfo != String.Empty)
~4<xTP\* {
t[Qf|#g strBuilder.Append(catchInfo).Append("\r\n");
9aHV~5 }
&iORB strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
1pg&?L.MA return strBuilder.ToString();
JgEPzHgx }
%
tT L k+t?EZ6L /// <summary>
V9mqJRFJ: /// 实际事件日志写入方法
At@H /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
B<%cqz@ /// <param name="messageText">要记录的文本.</param>
u$O`
\= /// </summary>
~=67#&(R private static void WriteLog(TraceLevel level, String messageText)
aA7}> {
?0*,x)t try
D=Jj !; {
f{mWy1NH\ EventLogEntryType LogEntryType;
1DLAfsLlj switch (level)
n@[_lNa4GD {
>"5f B case TraceLevel.Error:
+ Nn
$ LogEntryType = EventLogEntryType.Error;
\MI2^JN break;
H{hd1 case TraceLevel.Warning:
!?)ky `S3 LogEntryType = EventLogEntryType.Warning;
3b{ 7Z 2 break;
/Z^"[Ke case TraceLevel.Info:
[ICFPY6 LogEntryType = EventLogEntryType.Information;
`xv2,Z9< break;
}$%j} F{ case TraceLevel.Verbose:
3u[m? Vw LogEntryType = EventLogEntryType.SuccessAudit;
X(_xOU)V break;
C-h9_<AwJQ default:
xbqFek$/r LogEntryType = EventLogEntryType.SuccessAudit;
4|U$ON?x break;
C fs2tN }
vbBNXy/ R5Pk>-KF EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|#(KP //写入事件日志
T3wQ Rn eventLog.WriteEntry(messageText, LogEntryType);
R`5g# _ck)yY?7 }
A>\5fO catch {} //忽略任何异常
kI?+\k\V` }
MpK3+4UMa } //class ApplicationLog
baQORU=X }
~%chF/H |E?PQ?P 12.Panel 横向滚动,纵向自动扩展
2t7P| b~V1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
y`,;m#frT e j,)<* 13.回车转换成Tab
%<)!]8}P* <script language="javascript" for="document" event="onkeydown">
='vD4}"j if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
!n7'TM' event.keyCode=9;
a`e'HQ </script>
HKL/D 'aWqj+Wbh onkeydown="if(event.keyCode==13) event.keyCode=9"
LD*XNcE $PstEL 14.DataGrid超级连接列
de/oK c DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
S,Z~-j i/.#` 15.DataGrid行随鼠标变色
4^Ss\$* private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(_%l[:o 6 {
1Q_Q-Z if (e.Item.ItemType!=ListItemType.Header)
9a2[_Wy {
a&Qr7tTY" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
9^u}~e
#( e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
2qdc$I&$ }
?y-@c] }
gR+P!Eow p/yz`m T'w 16.模板列
7Ll?#eun <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
:_,a%hb+8 <ITEMTEMPLATE>
;Fo7 -kK <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IL`LIJ:O </ITEMTEMPLATE>
xw}rFY$ </ASP:TEMPLATECOLUMN>
2n+ud ?|l &pf"35ll <ASP:TEMPLATECOLUMN headertext="选中">
&q&~&j'[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(*M0'5 <ITEMTEMPLATE>
2D(sA <ASP:CHECKBOX id="chkExport" runat="server" />
*
V7bALY </ITEMTEMPLATE>
`YUeVz>q? <EDITITEMTEMPLATE>
G1-r$7\ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
&.(iS </EDITITEMTEMPLATE>
,PoG=W
</ASP:TEMPLATECOLUMN>
p$G3<Z&7 dU*$V7 后台代码
])G|U A. protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
WJxcJE {
fWC(L s //改变列的选定,实现全选或全不选。
HE{UgU:tY CheckBox chkExport ;
{sxdDl if( CheckAll.Checked)
,{\Ae"{6 {
ju5o).!bg foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.Tm.M7 {
7NT0]j(w- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
MLlvsa0 chkExport.Checked = true;
GGo~39G }
H0 Zo.Np }
t^Lb}A#$4 else
$0x+b!_l@ {
~%lA!tsek foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Wuo:PX'/9 {
H)h^|A/vO chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P3YM4&6XA chkExport.Checked = false;
o=#ym4hJ% }
+)bn}L>Rl }
FZ}^)u}o }
FZ RnIg "+4Jmf9 17.数字格式化
*zN~x(0{E qdy(C^(fa 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#_x5-?3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
.I EHjy\+ _;0RW int i=123456;
i-;#FT+Xc string s=i.ToString("###,###.00");
TDbSK&w :s Z9NND 18.日期格式化
\2=I//YF 0:n"A,-p 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Q"U%]2@= ,C"6@/:l 显示为: 2004-8-11 19:44:28
?<BI)[B LLT6*up$ 我只想要:2004-8-11 】
U,p'<rmS <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
V=5S=7 Z: N$#~& 应该如何改?
T
iL.py, o~e_M- 【格式化日期】
;-JF b$m Y 'm;xA 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<`" %7 yQ0'P 【日期的验证表达式】
N%>h>HJ q2J|koT A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?;htK_E\* ^((\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})))?$
V sxI C|Y[T{g?t B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
AaxQBTB ^\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]))$
^^7@khmNl ]|PTZ1?j 【大小写转换】
7gV9m9 # HttpUtility.HtmlEncode(string);
iX{2U lF7 HttpUtility.HtmlDecode(string)
?D2a"a$^ ZzgzeT+bv 19.如何设定全局变量
0Fon`3(^\ Rc{R^5B Global.asax中
H[nBNz)C %z1^ Application_Start()事件中
p&V64L:V \b$pH 添加Application[属性名] = xxx;
"OYD9Q'' 41d+z>a] 就是你的全局变量
`:~Wu/Ogr ,{S $&g* 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%Rf9KQ $V`1<>4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
T:'JA >KP,67 【ASPNETMENU】点击菜单项弹出新窗口
e21J9e6z ^o _J0
]m 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
5EVypw?]x <?xml version="1.0" encoding="GB2312"?>
:ChXzZ <MenuData ImagesBaseURL="images/">
W/,:-R&'> <MenuGroup>
Cj4Y, N <MenuItem Label="内参信息" URL="Infomation.aspx" >
c CDT27@ <MenuGroup ID="BBC">
WHv6E!^\_ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
#[x*0K-h <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
G8__6v~ ......
sCY XI[n!)3 最好将你的aspnetmenu升级到1.2版
;>6~}lMgJ `W@jo~y< 21.读取DataGrid控件TextBox值
Rzsu 7w foreach(DataGrid dgi in yourDataGrid.Items)
C@:X9NU {
e4Qjx*[G TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
r^msJ|k8[ tb.Text....
0U*f"5F }
A g+B* ^{=UKf{ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
9Xa.%vw> W/t,7lPFb 〖思归〗
,9I-3**W <asp:TemplateColumn HeaderText="数量">
+HUy,@^Pa <ItemTemplate>
)SZ#%OE* <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
%B#T"=Cx onkeyup="javascript:DoCal()"
6XZjZ*)W />
]u-bJ H? z~V-8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
O>nMeU </ItemTemplate>
L;M@] </asp:TemplateColumn>
:tnW ivrwR ST[TKL<] <asp:TemplateColumn HeaderText="单价">
V0
Z8VqV <ItemTemplate>
1fIx@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
{`M\}(E onkeyup="javascript:DoCal()"
RR+kjK? />
w{L9-o3A 8pr toCB <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
$n!5JS@40 U" 3L </ItemTemplate>
1##@'L|u </asp:TemplateColumn>
E`qX|n d(RMD <asp:TemplateColumn HeaderText="金额">
)h0>e9z>Y <ItemTemplate>
2TB'HNTFx <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
LQ%QFfC </ItemTemplate>
0iR?r+| </asp:TemplateColumn><script language="javascript">
J> ,w},` function DoCal()
DxN\ H" {
gk?H@b* var e = event.srcElement;
o(?9vU var row = e.parentNode.parentNode;
~J~R.r/ var txts = row.all.tags("INPUT");
T@P~A)>yo if (!txts.length || txts.length < 3)
: 4-pnn return;
qj:[NPwaM [Rq|;p var q = txts[txts.length-3].value;
^pew'pHQ var p = txts[txts.length-2].value;
\/SOpC 8;<aco/62 if (isNaN(q) || isNaN(p))
e2V;6N return;
Uy|!f]"? 1uKIO{d@ q = parseInt(q);
t(PA+~sIp p = parseFloat(p);
nwfu@h0G d
{ P$}b txts[txts.length-1].value = (q * p).toFixed(2);
daSx^/$R }
0i8\Lu6 </script>
l]t^MEoc8 M3!;u%~}s (yuOY/~k/ T 8]*bw )`Qr=DIsW 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
p(4B"[ !S page_load
doX`NbA page.smartNavigation=true
"mU2^4q yD!GgnW 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
J%q)6& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
0%HAa|L,, {
f0%'4t for(int i=0;i<e.Item.Cells.Count-1;i++)
Unt]=S3u if(e.Item.ItemType==ListItemType.EditType)
M1 o@v 0 {
DW7Jk"\GH e.Item.Cells.Attributes.Add("Width", "80px")
fU%Mz\t }
~K|ha26W }
?/@XJcm+ ~SA>$ 26.对话框
x2b
t^!t. private static string ScriptBegin = "<script language=\"JavaScript\">";
-<T>paE9 private static string ScriptEnd = "</script>";
} 21!b :a bng/v
public static void ConfirmMessageBox(string PageTarget,string Content)
}LEasj {
"_BWUY string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
?wIEXKI 6y?uH;SL ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
KNP^k$=)3c W_/$H_04+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
YF;2jl Nm ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
?e+y7K}"] //Response.Write(strScript);
=&.9z 4A }
pA@R,O>zr 1[a#blL6W 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
\qG` ts ose)\rM' 1.1 取当前年月日时分秒
8 r0;054 currentTime=System.DateTime.Now;
,^v_gc 4VsttT 1.2 取当前年
=gd~rk9 int 年= DateTime.Now.Year;
*J4\KU :V)=/mR 1.3 取当前月
n5fc_N/8O= int 月= DateTime.Now.Month;
oHV!>K_D ,n>K$ 1.4 取当前日
6s!=de int 日= DateTime.Now.Day;
bNvc@oo `'bu8JK 1.5 取当前时
wo86C[ int 时= DateTime.Now.Hour;
3
}#rg $TAsb>W!( 1.6 取当前分
u+pZ<Bb int 分= DateTime.Now.Minute;
zItGoJu zmFKd5 1.7 取当前秒
(~PT(B? int 秒= DateTime.Now.Second;
~Hb0)M@y7 JY D\VaW 1.8 取当前毫秒
_2}/rwVg int 毫秒= DateTime.Now.Millisecond;
,LU|WXRB j#H&~f 28.自定义分页代码:
W#x~x| (c [F,s=,S'M 先定义变量 :
ORIXcj] public static int pageCount; //总页面数
qFY>/fCP4 public static int curPageIndex=1; //当前页面
sA,2gbW %e/L
.#0 下一页:
Z,,q mwd if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
rGQ([e {
U)('}u=b DataGrid1.CurrentPageIndex += 1;
pE G!j ~ curPageIndex+=1;
,esUls'nz' }
9*[!ux7h 1#vi]CX bind(); // DataGrid1数据绑定函数
r{Z4ifSl( zhI"++ 上一页:
m{rsjdnA if(DataGrid1.CurrentPageIndex >0)
p$XvVzW#< {
*MXE> DataGrid1.CurrentPageIndex += 1;
M{XBmDfN curPageIndex-=1;
-9q3]nmT( }
,GF(pCZzG [5MV$)"!j bind(); // DataGrid1数据绑定函数
%? O$xQ.< x\Kt}/9 7e 直接页面跳转:
"Q1oSpF int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
lnrs4s Km }Y3*X:i7 if(a<DataGrid1.PageCount)
di~ [Ivw {
!=v d:, this.DataGrid1.CurrentPageIndex=a;
B[7Fq[.mh }
uVZX53 ,g 2<uBC bind();
|I=GI]I {6>:=?7]R 29.DataGrid使用:
f2i9UZ$=e! T$o;PJc 添加删除确认:
Xcc i)",! private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
VP6_}9:9
{
H :`H4S} foreach(DataGridItem di in this.DataGrid1.Items)
0@}:`OynX {
Mdy4H[Odq if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
mS
&^xWPV {
)C0 y<:</ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
oSkvTK$&i }
~4`3p=$ }
lN[#+n }
Y]+KsiOL _5v]69C# 样式交替:
fvZ[eJ ListItemType itemType = e.Item.ItemType;
Ihx[S!: 6@=ipPCR if (itemType == ListItemType.Item )
zB#.EW {
c^}DBvG, e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
18ON`j e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p1
mY!&e( }
G5!!^p~ else if( itemType == ListItemType.AlternatingItem)
cf*SWKs {
-}"nb-RR\ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
ffem7eQ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
*4[P$k$7 }
d(9C7GLC, zKNac[: 添加一个编号列:
VN]"[ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
dIk9C|-. DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
jluv}*If snyA for(int i=0;i<dt.Rows.Count;i++)
9K=K,6
b {
#[sJKW dt.Rows["number"]=(i+1).ToString();
m%)S<L7
l }
p}|<EL}Z9 G PL^!_ DataGrid1.DataSource=dt;
XPMvAZL DataGrid1.DataBind();
MN_1^T5 ho}G]y DataGrid1中添加一个CheckBox,页面中添加一个全选框
mN'sJ1L- private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
)C$1)) {
r
['zp=9 foreach(DataGridItem thisitem in DataGrid1.Items)
@Qd5a(5W M {
H=*2A!O[_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
,-1d2y }
.Iv`B:4 }
/1?{,Das= Mqm9i 将当前页面中DataGrid1显示的数据全部删除
`6{4?v foreach(DataGridItem thisitem in DataGrid1.Items)
>UV?nXP} {
fILD~ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
$%5vJiuk {
|kqRhR(Ei string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
k j&hn Del (strloginid); //删除函数
7h\U}! }
dSbz$Fc t }
@gm!D`YL Bx0=D:j 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
2.&%mSN #Z}YQ$g 在Application_Start中添加以下代码:
Gvc/o$_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
NeniQeR AppSettings["ConnStr"].ToString();
TGI`}# ;et(Yi;9 31. 变量.ToString()
;i&t|5y~ l!%V&HJV 字符型转换 转为字符串
HvW6=d(# 12345.ToString("n"); //生成 12,345.00
u(4o#m 12345.ToString("C"); //生成 ¥12,345.00
c~ Q5A 12345.ToString("e"); //生成 1.234500e+004
>!#or- C 12345.ToString("f4"); //生成 12345.0000
6KKQ)DNu_ 12345.ToString("x"); //生成 3039 (16进制)
$H1igYc 12345.ToString("p"); //生成 1,234,500.00%
-7A2@g {Ty?OZ 32、变量.Substring(参数1,参数2);
'BNZUuUl saR9_
ux 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
4_o+gG%HaM VPOp#;"% 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
BXLw <SCRIPT language="javascript">
CMHg]la <!--
@<44wMp function gook(pws)
Lq{/r+tt/ {
D~@lpcI frm.submit();
P'oY+# }
C<N7zM wT //-->
0<]]q[pr =}[m_rp& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
yeN(_t2. <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
8PvO_Gz5 <tr>
!tuK.?q|l <td>
j4Y] 8 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
9v76A~~ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
"oT]_WHqo <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
k:CSH{ s5{ kI/%|L%6D <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
kk+:y{0V <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
HG[gJ7 +fG~m:E </td>
hPrE e[t1V/ah </tr>
u|\K kk M,bcTa8 </form>
7dXh,sD n_-k <3 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
pOIfKd
3vF-SgCV 下面是获取用户输入的登陆信息的代码:
=N{-lyr) string name;
L'}^Av_+ name=Request.QueryString["EmailName"];
t:qPW<wc Z%I9:( try
szD
BfGd%j {
jp+#N
pH int a=name.IndexOf("@",0,name.Length);
1Yy*G-7} f_user.Value=name.Substring(0,a);
f`_6X~
p f_domain.Value=name.Substring(a+1,name.Length-(a+1));
!6{b)P f_pass.Value=Request.QueryString["Psw"];
&3'zG) }
r;OE6}L> '2c4
4F)i catch
Fj0h-7L {
v@
OM Script.Alert("错误的邮箱!");
R,[+9U|4V Server.Transfer("index.aspx");
[:-o;K\.-a }