1. 打开新的窗口并传送参数:
V]?R>qhgu 9jGu}Vo 传送参数:
!ubD/KE response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
6wg^FD_Q dD@(z:5M\ 接收参数:
HE\K@3- string a = Request.QueryString("id");
_','9| string b = Request.QueryString("id1");
Qv ?"b &9>vl* 2.为按钮添加对话框
H6gSO(U Button1.Attributes.Add("onclick","return confirm(’确认?’)");
_WbxH button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
iJ|uvPCE A<fG}q1# 3.删除表格选定记录
DIUjn;>k8 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
[KQ6Ta. string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
. 'yCw#f = WJNWt> 4.删除表格记录警告
OB}Ib] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
o<!?7g{ {
-%4,@
x` switch(e.Item.ItemType)
kvj#c {
3
8`<:{^Y case ListItemType.Item :
HLi%%"' case ListItemType.AlternatingItem :
!1b;F*H case ListItemType.EditItem:
x$(f7?s] 1 TableCell myTableCell;
BD7Ni^qI$ myTableCell = e.Item.Cells[14];
ft
Wv~Eh LinkButton myDeleteButton ;
Yz93'HDB myDeleteButton = (LinkButton)myTableCell.Controls[0];
7IM@i>p% myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
h@wgd~X9 break;
-35;j'a default:
6-ils3& break;
Uoix }
t.C5+^+% ;xn0;V'= }
mXs; b
2r^ Oa>Ppldeg 5.点击表格行链接另一页
_h1mF<\ X^ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Srd4))2/0 {
]
@fk] ]R //点击表格打开
8Xs8A. if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@`Su0W+. e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
{BU;$ }
~flV`wy$$1 bi;1s'Y<D 双击表格连接到另一页
r9G>jiw8 ;YL i{ 在itemDataBind事件中
~WV"SaA)*U if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eh#(eua0/ {
18:%~>.! string OrderItemID =e.item.cells[1].Text;
sdmT ...
ENY+^7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
iO;
7t@]- }
P=G3:eX \Y}8S/] 双击表格打开新一页
R@rBEW& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&b& , {
y4fdq7i~}9 string OrderItemID =e.item.cells[1].Text;
"g8M0[7e3 ...
'1/i"yoW e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
NQ2E }
-z(+/ /K:# K@hw.Xq" ★特别注意:【?id=】 处不能为 【?id =】
S|+o-[e8O 6.表格超连接列传递参数
_zMW=nypdx <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
k"w"hg&e <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
t\ewHZG" v|2T%y_
u 7.表格点击改变颜色
)53y
AyP if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.kfIi^z {
H$4:lH&( e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0{ R=9wcc this.style.color=’buttontext’;this.style.cursor=’default’;");
,zY$8y] }
:9 ^*
^T b|W=pSTY 写在DataGrid的_ItemDataBound里
q5:N2Jmo?z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
A3@6N( {
h.t-`k7 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
PwLZkr@4^ this.style.color=’buttontext’;this.style.cursor=’default’;");
Tnm.A? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
U/NoP4~{ }
TRq6NB XpJ7o=?W3 IO-Ow! 8.关于日期格式
E?0%Z&1h wAW5
Z0D 日期格式设定
@MCg%Afw DataFormatString="{0:yyyy-MM-dd}"
o`*,|Nsq [hj6N*4y 我觉得应该在itembound事件中
w+CA1q< e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
oILZgNe' y
h9*z3 9.获取错误信息并到指定页面
p.?rey<% d-dEQKI?; 不要使用Response.Redirect,而应该使用Server.Transfer
JFk
lUgg [HZv8HU| e.g
<W $mj04@ // in global.asax
Y/zj[> protected void Application_Error(Object sender, EventArgs e) {
@J`"[%U if (Server.GetLastError() is HttpUnhandledException)
'1s0D] Server.Transfer("MyErrorPage.aspx");
"1M[5\Ax r\V
={p //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
@6T/Tdz }
%d<"l~<5; I&W=Q[m 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
WEi2=3dV [3|P 7?W/ 10.清空Cookie
v
z '&%( Cookie.Expires=[DateTime];
[K0(RDV)% Response.Cookies("UserName").Expires = 0
SKsKPqz ,1o FPa{? 11.自定义异常处理
DN5 7p!z //自定义异常处理类
^,T(mKS using System;
ckE-",G using System.Diagnostics;
Qn)a/w- YglmX"fLf namespace MyAppException
Gu\q%'I {
[:SWi1cK2 /// <summary>
5taT5?n2 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
p4
^yVa /// 自动将异常内容记录到Windows NT/2000的应用程序日志
J]pir4&j /// </summary>
x-&@wMqkc public class AppException:System.ApplicationException
\n|EM@=eE {
.jjG(L public AppException()
^yN&ZI3P& {
[%1CRk if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
JO6)-U$7UG }
+*/Zu`kzX }*pi<s public AppException(string message)
fSvM(3Y<Qh {
57 LogEvent(message);
u^8{Z;mm }
SbrecZ t)$:0 public AppException(string message,Exception innerException)
|"CZ T# {
_H7x9
y= LogEvent(message);
EaY?aAuS: if (innerException != null)
}Sh?S]]` {
fdi\hg^x LogEvent(innerException.Message);
gu.}M:u }
$1L>)S }
!Pfr,a YHygo#4=8 //日志记录类
uGK.\PB$ using System;
6HWE~`ok6 using System.Configuration;
ytJ/g/,A0i using System.Diagnostics;
YWO)HsjP using System.IO;
B Qxs~ using System.Text;
yg=q;Z>[~ using System.Threading;
9`X\6s 9x9 T<cx namespace MyEventLog
>7T'OC {
l'E*=Rn /// <summary>
a:OQGhc= /// 事件日志记录类,提供事件日志记录支持
}?_?V&K| /// <remarks>
0{p#j~ZhC /// 定义了4个日志记录方法 (error, warning, info, trace)
WUXx;9 > /// </remarks>
(Y? gn)*t /// </summary>
<7Or{:Sc90 public class ApplicationLog
)e=D(qd {
VSI9U3t3w /// <summary>
Ma']?Rb` /// 将错误信息记录到Win2000/NT事件日志中
Eib5 /// <param name="message">需要记录的文本信息</param>
m6\E$;` /// </summary>
rCbDu&k] public static void WriteError(String message)
hPkWCoQpq {
b;W3j WriteLog(TraceLevel.Error, message);
1N#|
}ad }
G+"t/?/ IT7wT+ /// <summary>
RVA(Q[ ; /// 将警告信息记录到Win2000/NT事件日志中
;yLu R /// <param name="message">需要记录的文本信息</param>
gpvYb7Of0 /// </summary>
r|fL&dtr public static void WriteWarning(String message)
D4lG[qb {
e L^|v WriteLog(TraceLevel.Warning, message);
Rn(ec }
M2>Vj/ n&;85IF1 /// <summary>
kYqU9cB~ /// 将提示信息记录到Win2000/NT事件日志中
vkx7paY_ /// <param name="message">需要记录的文本信息</param>
~Z?TFg
/// </summary>
F^t DL: public static void WriteInfo(String message)
L~rBAIdD {
Is)u } WriteLog(TraceLevel.Info, message);
$%CF8\0 }
0KcyLAJ /// <summary>
?FeYN+qR /// 将跟踪信息记录到Win2000/NT事件日志中
fF$<7O)+] /// <param name="message">需要记录的文本信息</param>
+`7i'ff /// </summary>
rb2S7k0{ public static void WriteTrace(String message)
GmeQ`;9, {
0d"[l@UU0 WriteLog(TraceLevel.Verbose, message);
u~M
q* }
?qLFaFt/ z0p*Z& /// <summary>
"3)C'WlEy/ /// 格式化记录到事件日志的文本信息格式
[#<-ZC#T* /// <param name="ex">需要格式化的异常对象</param>
?wiCQ6*$ /// <param name="catchInfo">异常信息标题字符串.</param>
nzuX&bSw /// <retvalue>
G_3O]BMKd) /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
L%*!`TN /// </retvalue>
qPX~@^`9 /// </summary>
@; zl public static String FormatException(Exception ex, String catchInfo)
\Xt7`I< {
6y%qVx#! StringBuilder strBuilder = new StringBuilder();
zU kgG61 if (catchInfo != String.Empty)
"/*\1v9 {
KQaxvU)L strBuilder.Append(catchInfo).Append("\r\n");
|"X*@s\' }
JIEK*ui strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
';w#w<yaI return strBuilder.ToString();
$Uq|w[LA }
<y2U3;t Yh@JXJ> /// <summary>
zH?! /// 实际事件日志写入方法
LvH4{B /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
M)J5;^[" /// <param name="messageText">要记录的文本.</param>
DbBcQ% /// </summary>
_UMg[Um private static void WriteLog(TraceLevel level, String messageText)
)0.kv2o. {
U8s2|G;K try
]}<}lI9 {
="1Ind@w!
EventLogEntryType LogEntryType;
zsEc( switch (level)
:KSV4>X[%a {
CTB~Yj@d+ case TraceLevel.Error:
u:6Ic)7' LogEntryType = EventLogEntryType.Error;
e8>}) break;
VZp5)-!\ case TraceLevel.Warning:
-/wtI LogEntryType = EventLogEntryType.Warning;
/kZebNf6H break;
s[RAHU case TraceLevel.Info:
pz!Zs."f) LogEntryType = EventLogEntryType.Information;
Avge eJi break;
<,3a3 case TraceLevel.Verbose:
g+8OekzB5 LogEntryType = EventLogEntryType.SuccessAudit;
[SjqOTon{ break;
8l>?Pv default:
B?eCe}*f;B LogEntryType = EventLogEntryType.SuccessAudit;
1jmjg~W break;
B+|Kjlt }
.Yamc#A- t>L2 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
fbyd"(V8r //写入事件日志
mxvp3t \ eventLog.WriteEntry(messageText, LogEntryType);
uP`Z12& ]{;gw<T }
+C^nO=[E catch {} //忽略任何异常
k%]3vRo< }
+r } //class ApplicationLog
w49t9~ }
lB8-Z ow J@/kIrx 12.Panel 横向滚动,纵向自动扩展
Eh)fnqs_d} <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
3p$?,0ELH :p1u(hflS 13.回车转换成Tab
m;$b'pT <script language="javascript" for="document" event="onkeydown">
^Y?k0z if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
/m!BY}4W event.keyCode=9;
F0m-23[H </script>
9sM!`Lz{ }g@v`5 onkeydown="if(event.keyCode==13) event.keyCode=9"
VnSCz" ?3 8$]1M,$r 14.DataGrid超级连接列
_f7 9wx\B DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Ky`qskvu ;_XFo&@ 15.DataGrid行随鼠标变色
h<h%*av|
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
K$z2YJ% {
Qry@
s5 if (e.Item.ItemType!=ListItemType.Header)
$o!zUH~'v {
+Z,;,5'5G e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
^23~ZHu e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
b;L\EB }
7:e{;iG }
M.JA.I@XC wC"FDr+ 16.模板列
l&[O <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
,S\CC{! <ITEMTEMPLATE>
n5|fHk^s <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
2V]UJ< </ITEMTEMPLATE>
*nd! )t </ASP:TEMPLATECOLUMN>
g/4[N{Xf 2bz2KB5> <ASP:TEMPLATECOLUMN headertext="选中">
6dHOf,zjm <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
}YQX~=" <ITEMTEMPLATE>
2y75 <ASP:CHECKBOX id="chkExport" runat="server" />
^"E^zHM( </ITEMTEMPLATE>
{.`vs;U <EDITITEMTEMPLATE>
53_Hl]#qZ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
SV4E0c> </EDITITEMTEMPLATE>
.C%<P"=J4h </ASP:TEMPLATECOLUMN>
1> ?M>vK ~ZaY!(R< 后台代码
5#6|j?_a protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Y!xF;a {
<(#(hDwy //改变列的选定,实现全选或全不选。
$L`d&$Vh CheckBox chkExport ;
%64)(z if( CheckAll.Checked)
#I.+aV+2oQ {
/*~EO{o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
hXw]K" {
kb%;=t2 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5"VTK chkExport.Checked = true;
2B1q*`6R }
2F[ q). }
|o"?gB}Dh else
xa'*P=<)C' {
s3N'02G foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
lM`2sy {
E*&vy chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Bg=wKwc8 chkExport.Checked = false;
ejKucEgD }
;._
l0Jw }
299H$$WS,Z }
5PCqYN(:B ]|pe>:gf' 17.数字格式化
> tS'Q`R k?yoQL* 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
(y'hyJo <%#Container.DataItem("price","{0:¥#,##0.00}")%>
6 3iUi9P sfH_5
#w int i=123456;
r+!YIk string s=i.ToString("###,###.00");
D>r&}6< >gQ>1Bwvi 18.日期格式化
,]C;sN%~} FgnTGY} 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
.8g)av+ OF>mF~ 显示为: 2004-8-11 19:44:28
m,28u3@r ;1W6G=m 我只想要:2004-8-11 】
j3oV+zZ49 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
}v;V=%N+v h
f)?1z4 应该如何改?
yF:1( 4 ;a!S!%.h 【格式化日期】
>{]%F*p4 PNhe 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
D8Ic?:iX[ <{p4V|: 【日期的验证表达式】
G>_*djUf LP^$AAy A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
A QU+mo ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
?,Xw[pR ]! &FKy B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
5ta `%R_ ^\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]))$
JG.y,<xW P:S .~Jq 【大小写转换】
;+_:,_ HttpUtility.HtmlEncode(string);
P[-E@0h)-t HttpUtility.HtmlDecode(string)
I|!OY`ko /N+dQe 19.如何设定全局变量
Ny7 S 8nqG<!,q Global.asax中
N% B>M7-= VCfl`Aq'l Application_Start()事件中
2qNt,;DQ qo~O|~ 添加Application[属性名] = xxx;
octL"t8w
**0~K" ;\ 就是你的全局变量
\K{
z AN m
d! 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
=*.~BG [aLI
' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;1=1:S8 rHI{aO7 【ASPNETMENU】点击菜单项弹出新窗口
iVr J Q Dpac^ST 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
U>SShpmZA <?xml version="1.0" encoding="GB2312"?>
:Ov6_x]* <MenuData ImagesBaseURL="images/">
Q\vpqE!9 <MenuGroup>
e{H=dIa+ <MenuItem Label="内参信息" URL="Infomation.aspx" >
fbvL7*
( <MenuGroup ID="BBC">
">nxHU <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
VGN5<?PrN <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
#%2rP'He ......
}v{LRRi I@N8gn 最好将你的aspnetmenu升级到1.2版
I
34>X`[o C.P*#_R 21.读取DataGrid控件TextBox值
Rv>-4@fMJ foreach(DataGrid dgi in yourDataGrid.Items)
2tO,dx {
?j.,Nw4FC TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
= svN#q5s tb.Text....
IP pN@ }
+`0k Fbx 1I6px$^E\ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
TX/Xt7#R: Jpq~ 〖思归〗
pki%vRY <asp:TemplateColumn HeaderText="数量">
.{^5X)
<ItemTemplate>
:-Z2:/P <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
gJ{)-\ onkeyup="javascript:DoCal()"
B[Scr5| />
IOH}x4 Om@;J%u/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
n@i HFBb </ItemTemplate>
$PPi5f}HD </asp:TemplateColumn>
X?',n
1 ^ytrK
Q <asp:TemplateColumn HeaderText="单价">
w9imKVry <ItemTemplate>
BO&bmfp7, <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
e*C(q~PQ onkeyup="javascript:DoCal()"
6 "sSo j />
O bS3
M "S]TP$O D <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
e T{ 4{ +'a^f5 </ItemTemplate>
0OE:[pR </asp:TemplateColumn>
59A}}.@?m dn3y\ <asp:TemplateColumn HeaderText="金额">
Lq^)R <ItemTemplate>
LRA8p<Rs <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
q9_OGd|P </ItemTemplate>
W!(zT6# </asp:TemplateColumn><script language="javascript">
KpGhQdR# function DoCal()
~0$&3a<n1 {
9A=,E& var e = event.srcElement;
X"Swi&4 var row = e.parentNode.parentNode;
yf+)6D -9n var txts = row.all.tags("INPUT");
abj Q)=u if (!txts.length || txts.length < 3)
tsjrRMR return;
/x$ nje,. D,feF9 var q = txts[txts.length-3].value;
/4Gt{ygSr var p = txts[txts.length-2].value;
:I#V. .q>iXE_c if (isNaN(q) || isNaN(p))
tD)J*]G return;
l_p2Riv Nf\LN$ &8 q = parseInt(q);
77Y/!~kd p = parseFloat(p);
(<9u-HF# k,*XG$2h txts[txts.length-1].value = (q * p).toFixed(2);
4r}51 N\ }
;=z:F<Y </script>
* EH~_F hVY$;s !Uo4,g6r+ h_'*XWd@ 2^7`mES 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。
y9ZvV0 page_load
GbI/4<)l} page.smartNavigation=true
z24q3 3O [/r(__. 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 ?
*.[.
{qG( private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
J&_n9$ {
FS O).=# for(int i=0;i<e.Item.Cells.Count-1;i++)
e0 ecD3 if(e.Item.ItemType==ListItemType.EditType)
:ws<-Qy {
f o3}W^0 e.Item.Cells.Attributes.Add("Width", "80px")
i%?* @uj }
OyIw>Wfv }
{qVZNXDn 307I$*%W 26.对话框
R=?[Nz private static string ScriptBegin = "<script language=\"JavaScript\">";
A#,ZUOPGH private static string ScriptEnd = "</script>";
y~V(aih}D h";L public static void ConfirmMessageBox(string PageTarget,string Content)
PA*5Bk="q {
sLk-x\P]| string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
er\|i. Y (9)Q ' 'S ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
zH
r_!~ U<XG{<2 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
='jT~\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
|s_GlJV. //Response.Write(strScript);
#-J>NWdt }
eMzk3eOJ !)$Zp\Sg 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
LP=)~K< (@YG~0 1.1 取当前年月日时分秒
wd6owr currentTime=System.DateTime.Now;
k?}Zg* ?JUeuNs9 1.2 取当前年
W g!
Lfu int 年= DateTime.Now.Year;
I-)4YQI h+,@G,|D 1.3 取当前月
xSu > int 月= DateTime.Now.Month;
6LhTBV 5r0YA
IJ 1.4 取当前日
uAk.@nfiEv int 日= DateTime.Now.Day;
I1J-)R+ v[<T]1=LRC 1.5 取当前时
a'T;x`b8U, int 时= DateTime.Now.Hour;
+C)~bb* UxBpdm%dvP 1.6 取当前分
gGuO int 分= DateTime.Now.Minute;
jiGTA:v 2<6UwF 1.7 取当前秒
TA\vZGJ(' int 秒= DateTime.Now.Second;
&5;"#:ORcK W*G<X.Hf 1.8 取当前毫秒
Ort(AfW int 毫秒= DateTime.Now.Millisecond;
OrW \7_y%HR 28.自定义分页代码:
n"8Yv~v*2j iow"n$/ 先定义变量 :
@F>D+=hS public static int pageCount; //总页面数
/_.|E] public static int curPageIndex=1; //当前页面
<ZW-QN4 s#MPX3itK 下一页:
=MWHJ'3-/ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O0:q;<>z {
_v:SP
L U DataGrid1.CurrentPageIndex += 1;
GX%g9f!O curPageIndex+=1;
AFn7uW!9Gw }
(At$3b6 tX[WH\(xI bind(); // DataGrid1数据绑定函数
g{LP7D;6 eH,or ,r 上一页:
_dU\JD if(DataGrid1.CurrentPageIndex >0)
w(F%^o\ {
)gi9f1n` DataGrid1.CurrentPageIndex += 1;
c " ,*h curPageIndex-=1;
U!]dEW|G }
(%9$! v{3 T{'RV0%
bind(); // DataGrid1数据绑定函数
P
{'b:C #E]59_
直接页面跳转:
Va8&Z int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
d5d@k =V5%+/r +f if(a<DataGrid1.PageCount)
8Y?;x} {
[-&Zl(9& this.DataGrid1.CurrentPageIndex=a;
\NC3'G:Ii }
7z-[f'EIUI V.Mry`9- bind();
GthYzd:'hJ Pz^544\~ou 29.DataGrid使用:
.V*^|UXbHi D{!IW!w 添加删除确认:
v0y(58Rz. private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
e(yh[7p= {
;d?R:Uw8 foreach(DataGridItem di in this.DataGrid1.Items)
_4f;<FL {
Mp]rUPK if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
H.0K?N&\?> {
D,6:EV"sa ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
E_`=7i }
fR|A(u#9 }
3CJwj }
tVjsRnb{ 54/=G(F 样式交替:
w>YDNOk ListItemType itemType = e.Item.ItemType;
Cyp'?N
8_F1AU? u if (itemType == ListItemType.Item )
pXUSLs {
t^L]/$q e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
*`U~?q} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;nGa.= "L }
H#&00 Q[ else if( itemType == ListItemType.AlternatingItem)
S[N5 ikg {
[!z,lY> e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
*](iS e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6wxs1G }
BzzTGWq\ {8OCXus3m 添加一个编号列:
]?*wbxU0 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
kP"9&R`E DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Q;u pau 5m*,8 ]!- for(int i=0;i<dt.Rows.Count;i++)
#F#%`Rv1 {
]tD]Wx% dt.Rows["number"]=(i+1).ToString();
KSvE~h[#+ }
..qCPlK; 2|L&DF:G DataGrid1.DataSource=dt;
xwr8`?]y DataGrid1.DataBind();
yw!{MO Z7#+pPt! DataGrid1中添加一个CheckBox,页面中添加一个全选框
"#] $r private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
P%6~&woF {
xmG<]WF>E foreach(DataGridItem thisitem in DataGrid1.Items)
RpK@?[4s {
Q@niNDaW2 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
y^k$Us }
,>M[@4`,U }
Gq6*SaTk \8
":]EU 将当前页面中DataGrid1显示的数据全部删除
nEfK53i_ foreach(DataGridItem thisitem in DataGrid1.Items)
GmG5[?) {
Nl/dX-I if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Z.WW(C. {
4JEpl'5^Q string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
C}X\|J Del (strloginid); //删除函数
J05e#-)<K }
N;d] 14| }
(mOtU8e TseGXYH 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)
=-T]3! j+!v}*I![ 在Application_Start中添加以下代码:
h 0|s Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
i?/qY&~ AppSettings["ConnStr"].ToString();
[RL9>n8f GB^B r6 31. 变量.ToString()
lFkR=!?= bLL2 字符型转换 转为字符串
[?gP; , 12345.ToString("n"); //生成 12,345.00
Z,=1buSz_ 12345.ToString("C"); //生成 ¥12,345.00
=*Lfl'sr_ 12345.ToString("e"); //生成 1.234500e+004
+mPx8P&% 12345.ToString("f4"); //生成 12345.0000
{_}I!`opr$ 12345.ToString("x"); //生成 3039 (16进制)
o4;(Zi#Z 12345.ToString("p"); //生成 1,234,500.00%
=AT."$r>
uO**E-` 32、变量.Substring(参数1,参数2);
E$e5^G9 NHt\
U9l' 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);
7^Uv7<pw >~f]_puT 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)
JC"z&ka <SCRIPT language="javascript">
[Pp'Ye~K@c <!--
+t.b` U`- function gook(pws)
0J|3kY-n> {
l] vm=7: frm.submit();
^
9sjj }
+ 3gp%`c4 //-->
T|$H#n} <b.D& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
qK+5NF| <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
`^vE9nW7 <tr>
V#HuIgf- <td>
r%_djUd <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
wzA$'+Mb <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
SM'|+ d <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
wkq 66? NbobliC= <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
v19-./H^
j <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
9?$i? }k0_5S </td>
1oS/`) _t$sgz& </tr>
s7<AfaJPF !1k_PY5) </form>
^~dWU> |4JEU3\$ 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。
,}PgOJZ s%S 下面是获取用户输入的登陆信息的代码:
}EPY^VIw string name;
r$1Qf}J3= name=Request.QueryString["EmailName"];
KXy6Eno *hx try
sx%[=g+<2( {
`A >@]d int a=name.IndexOf("@",0,name.Length);
9p/Bh$vJ f_user.Value=name.Substring(0,a);
=(Mch~
f_domain.Value=name.Substring(a+1,name.Length-(a+1));
3mgD(,(^ f_pass.Value=Request.QueryString["Psw"];
P?\6@_ Z }
h\o.&6sd )UR7i8]!0 catch
A<{{iBEI` {
,2q-D&)\Z Script.Alert("错误的邮箱!");
*g%yRU{N Server.Transfer("index.aspx");
+R &gqja }