1. 打开新的窗口并传送参数:
UJO+7h' VXC_Y 传送参数:
*<J**FhcMu response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?k/Uw'J4u/ j5AW} 接收参数:
9+pnpaZB0 string a = Request.QueryString("id");
o|*,<5t string b = Request.QueryString("id1");
${e{# ?;\YiOTda 2.为按钮添加对话框
iidK}<o Button1.Attributes.Add("onclick","return confirm(’确认?’)");
=*t)@bn button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
gq/q]Fm\ iYFM@ta 3.删除表格选定记录
VPK)HzPG, int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ee6Zm+.B string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
vAX %i( 4 @A
g=2\9 4.删除表格记录警告
F&Q:1`y private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
R6!t2gdKe@ {
wqJH switch(e.Item.ItemType)
VsFRG;:\U {
5'6Oan7dL: case ListItemType.Item :
+YXyfTa case ListItemType.AlternatingItem :
*PD7H9m case ListItemType.EditItem:
gmt`_Dpm$ TableCell myTableCell;
&rjMGk"& myTableCell = e.Item.Cells[14];
/1Ndir^c LinkButton myDeleteButton ;
~|riFp=J myDeleteButton = (LinkButton)myTableCell.Controls[0];
x-cg df myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
-GQ`n01 break;
fAXF_wj default:
C4ge_u# break;
``U>9S"p) }
g\d|/HVK ge*f<#|0U- }
u`7\o~$ TtlZum\ 5.点击表格行链接另一页
7h0LR7 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
uPt({H {
8KN0z< //点击表格打开
^C_ ;uz if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
YDO#Q= q% e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
WUZusW5s }
c JGU~\ 4;y*y tY* 双击表格连接到另一页
A(ql}cr @} qMI
在itemDataBind事件中
n}0[EE! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y@e/G3 {
w_PnEJa9 string OrderItemID =e.item.cells[1].Text;
'8PZmS8X9 ...
"cj6i{x,~w e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
fn;`V it# }
m>DBO|` DOyYy~Q 双击表格打开新一页
i1}Y;mj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
274F+X {
l*^c?lp) string OrderItemID =e.item.cells[1].Text;
"K;f[&xO,o ...
s$s~p
+U e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
,'Zs")Ydp }
V\vt!wBcB IZn|1X?}\s ★特别注意:【?id=】 处不能为 【?id =】
0M-=3 T 6.表格超连接列传递参数
7a\at)q/y <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
)lwxFP; <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
bW-9YXj% xim'TVwvC 7.表格点击改变颜色
plN:QS$
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
lp+Uox {
}fU"s" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Lk#8G>U this.style.color=’buttontext’;this.style.cursor=’default’;");
"V'<dn }
B
OKY
X ;2*hN( 写在DataGrid的_ItemDataBound里
Cj'XL} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O4t0 VL$ {
n%X5TJE e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
> &tmdE this.style.color=’buttontext’;this.style.cursor=’default’;");
\I"n~h^_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
>>%m,F[ }
Z}$wvd ~T">)Y~+xI (J}tCqP 8.关于日期格式
E?v:7p< /#TtAkH 日期格式设定
Bre:_>* DataFormatString="{0:yyyy-MM-dd}"
C( wZjO?N Bc&Y[u-n 我觉得应该在itembound事件中
x`n7D e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
(}*1,N!# M$,4B 9.获取错误信息并到指定页面
P.#@1_:gC djmd
@{Djt 不要使用Response.Redirect,而应该使用Server.Transfer
jEu-CU#: o&-D[|E| e.g
pm` f?Py // in global.asax
oDW)2*8yF protected void Application_Error(Object sender, EventArgs e) {
SJ*qgI?}T if (Server.GetLastError() is HttpUnhandledException)
D qu?mg;L Server.Transfer("MyErrorPage.aspx");
;T hn C>U `]F}O \H //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
vb.}SG> }
\&BT#8ELG 0(qtn9;=2 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
0fE?(0pBj !KC4[;Y 10.清空Cookie
yi.GD~69 Cookie.Expires=[DateTime];
SR>(GQ,m0; Response.Cookies("UserName").Expires = 0
Jo'~oZ$ N||a0&& 11.自定义异常处理
lq}m0}9< //自定义异常处理类
sU7fVke1 using System;
_kEU=)Xe using System.Diagnostics;
me@k~!e"z ?'I-_9u namespace MyAppException
[[s^rC<d {
,eSII2,r4 /// <summary>
,,8'29yEq /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#kQ1,P6,( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>lkjoEVQ /// </summary>
SiLWy=qbR public class AppException:System.ApplicationException
YgV" *~ {
,8@q2a/ public AppException()
s7?d_+O {
TdeHs{| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
thLx!t }
z?<Xx?Kk a! gj_ public AppException(string message)
>c)-o}bd^ {
^UmhSxQ## LogEvent(message);
q"0_Px9P }
^Ycn&`s o)WzZ,\F^J public AppException(string message,Exception innerException)
T-F8[dd^/ {
ovk^ LogEvent(message);
W4#E&8g% if (innerException != null)
T&ib]LmR {
[hJASX9 LogEvent(innerException.Message);
Yij_'0vZ }
3w&Z:< }
6GMwB@ b v8U&{pD, //日志记录类
^XT;n using System;
>)t-Zh:n using System.Configuration;
|U`ASo using System.Diagnostics;
ST1;i5
using System.IO;
>@tJ7mM using System.Text;
&SMM<^P. using System.Threading;
$Zn>W@\ :Qu.CvYF namespace MyEventLog
&ox5eX( {
AzMX~cd /// <summary>
.A F94OlE/ /// 事件日志记录类,提供事件日志记录支持
+WE<S)z< /// <remarks>
th|'t}bWV /// 定义了4个日志记录方法 (error, warning, info, trace)
;"2(e7ir /// </remarks>
)1/J5DI @8 /// </summary>
_};T:GOT public class ApplicationLog
jwp?eL!7 {
Bq~?!~\?. /// <summary>
i4<n#]1!t /// 将错误信息记录到Win2000/NT事件日志中
1`2lq~=GV /// <param name="message">需要记录的文本信息</param>
a;f A0_ /// </summary>
:gM_v?sy public static void WriteError(String message)
ts &sr
{
~.Er WriteLog(TraceLevel.Error, message);
\iH\N/ }
.2
}5Dc,eR ?
@- t.N /// <summary>
9gFfbvd /// 将警告信息记录到Win2000/NT事件日志中
5Z_aN|Xn /// <param name="message">需要记录的文本信息</param>
R:y u /// </summary>
Q"k #eEA public static void WriteWarning(String message)
_|>bOI {
_#yd0E WriteLog(TraceLevel.Warning, message);
Of;$
VK' }
6$G@>QCBS Z8:'_#^@a[ /// <summary>
F\ %PB p /// 将提示信息记录到Win2000/NT事件日志中
u>.>hQ /// <param name="message">需要记录的文本信息</param>
^.~ F_ /// </summary>
,-V7~gM%} public static void WriteInfo(String message)
Lpk`qJ {
@<$_X1)s WriteLog(TraceLevel.Info, message);
E9Hyd #A }
^.>XDUO F /// <summary>
S[y?> /// 将跟踪信息记录到Win2000/NT事件日志中
eY\!}) 5 /// <param name="message">需要记录的文本信息</param>
5N[H@%>QO /// </summary>
gmCB4MO public static void WriteTrace(String message)
V4. }wz_Y {
"b0!h6$!H WriteLog(TraceLevel.Verbose, message);
`aM8L }
{^@qfkZz^ jN%+)Kj0C) /// <summary>
J5zu}U? /// 格式化记录到事件日志的文本信息格式
&!?qSi~V /// <param name="ex">需要格式化的异常对象</param>
XBos^Q /// <param name="catchInfo">异常信息标题字符串.</param>
98%6Z8AS6U /// <retvalue>
78O5$?b;# /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
&P(vm@* /// </retvalue>
9=G
dj!L /// </summary>
*cc|(EM public static String FormatException(Exception ex, String catchInfo)
Ip*[H#h {
:i]g+</ StringBuilder strBuilder = new StringBuilder();
Cgn@@P5ZC if (catchInfo != String.Empty)
|dqvv {
1A{iUddR strBuilder.Append(catchInfo).Append("\r\n");
GI/4<J\ }
^ =RSoR strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
E akS(Q? return strBuilder.ToString();
oT^r }
9F|e. l`vr({A /// <summary>
1#jvr_ ga /// 实际事件日志写入方法
V5]:^= /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
6EkD(w /// <param name="messageText">要记录的文本.</param>
7.(vog"I) /// </summary>
Kvh6D" private static void WriteLog(TraceLevel level, String messageText)
YL@d+
-\ {
\?NT,t=3J try
;aUI3n% {
mG+hLRTXP EventLogEntryType LogEntryType;
!@@rO--& switch (level)
!'
jXN82 {
AK5$>Pkvk case TraceLevel.Error:
mNAp FwZ LogEntryType = EventLogEntryType.Error;
>Av%[G5=h# break;
J9`[Qy\ case TraceLevel.Warning:
.E0*lem'hE LogEntryType = EventLogEntryType.Warning;
c$]NXKcA break;
<=&7*8u0+ case TraceLevel.Info:
G+l9QaFv LogEntryType = EventLogEntryType.Information;
-I{J]L$S# break;
U4,hEnJBT case TraceLevel.Verbose:
nuX W/7M LogEntryType = EventLogEntryType.SuccessAudit;
-~imxPmZ break;
Y^CbpG&-vC default:
XrQS?D` LogEntryType = EventLogEntryType.SuccessAudit;
:Qklbd[9qF break;
f>C|qDmT }
6882:,q IP+1 :M EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
x_|: 3I //写入事件日志
4r>buEU eventLog.WriteEntry(messageText, LogEntryType);
w\3'wD! -}r(75C }
YK|Y^TU^ catch {} //忽略任何异常
sYY=MD
}
/yj-^u\R } //class ApplicationLog
js8\" }
7<c&)No; S~4HFNe^& 12.Panel 横向滚动,纵向自动扩展
QprzlxB <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
<jRs/?1R G q
r(. 13.回车转换成Tab
{cBLm/C <script language="javascript" for="document" event="onkeydown">
G.c@4Wz+ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?4}EhXR( event.keyCode=9;
r.;(Kx/M </script>
=m=utd8 Gg9NG`e6I onkeydown="if(event.keyCode==13) event.keyCode=9"
u(|k/~\ WS)u{
or 14.DataGrid超级连接列
"RJf2~(ZX DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
J#y?^Qm$)< ps6c>AN`A& 15.DataGrid行随鼠标变色
u3H2\< private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
`?L-{VtM3* {
VClw!bm if (e.Item.ItemType!=ListItemType.Header)
SAGLLk07G {
8M;G@ Q80 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
|_;Vb e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
D;Jb'Be }
c{t[iXDG }
_A.?:'- }AfK=1yOa 16.模板列
N:@C%
UW} <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
x9NLJI21/ <ITEMTEMPLATE>
GcPhT <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
md/Z[du:' </ITEMTEMPLATE>
d/ OIc){tD </ASP:TEMPLATECOLUMN>
<WGl4#(k 4GRmo"S <ASP:TEMPLATECOLUMN headertext="选中">
~f2zMTI| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
gaJIc^O <ITEMTEMPLATE>
\$h LhYz- <ASP:CHECKBOX id="chkExport" runat="server" />
<P3r}|K </ITEMTEMPLATE>
Xsc5@O! <EDITITEMTEMPLATE>
HSOdqjR* <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[\&Mo]"0 </EDITITEMTEMPLATE>
0|:Ic, </ASP:TEMPLATECOLUMN>
a;`-LOO5& (UV+/[, 后台代码
0Fh*8a}?b protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
5!*5mtI {
N+PW,a //改变列的选定,实现全选或全不选。
?%h JZm; CheckBox chkExport ;
B"I>mw if( CheckAll.Checked)
:*!u\lV \ {
Y2Y2>^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f. =4p^ {
pstQithS chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
RfwTqw4@ chkExport.Checked = true;
"/?*F\5 }
$E4W{ad2jW }
%6"b<
MAO else
1a90S*M {
R6Cm:4m}I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Tf"DpA!_ {
>M^
1m( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[lA[wCw chkExport.Checked = false;
DwZt.* }
ys;e2xekg }
@"HR"@pX }
@:xO5L}Io D.<CkDB 17.数字格式化
&hba{!`y WL}6YSC 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
=D4EPfQn1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
W&4`eB/4} H9w*U int i=123456;
g}3c r. string s=i.ToString("###,###.00");
*ma/_rjK Em@h5V 18.日期格式化
K.R2)o` }FMl4 _}u 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
IO xj$ ?%l -&kQlr 显示为: 2004-8-11 19:44:28
lrh6lt) fu=}E5ScK 我只想要:2004-8-11 】
tTyu,%/m <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
.KT+,Y #Y}Hh7.< 应该如何改?
.tN)H1.:B 2>O2#53ls0 【格式化日期】
J6 [x(T [`fq4Ky 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
gqD`1/ P+3G*M=} 【日期的验证表达式】
".xai.trr s80_e A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/@RnCjc' ^((\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})))?$
uU.9*B=H9 B;;D(NH B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
|-_5ouN. ^\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]))$
45j+n.9=
(4 {49b 【大小写转换】
<\^X,,WtO HttpUtility.HtmlEncode(string);
!icpfxOpjQ HttpUtility.HtmlDecode(string)
OV8b~k4= R/^JyL 19.如何设定全局变量
cT0utR& X_'.@q<!CV Global.asax中
Z{p6Q1u Sc6wC H Application_Start()事件中
X=\#n-* yekIw 添加Application[属性名] = xxx;
I I>2\d|
sjTsaM;< 就是你的全局变量
$xu?zd" D?\K~U* > 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
F41!Dj7 P1)
80<t HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
`FJnR~d
29sgi" 【ASPNETMENU】点击菜单项弹出新窗口
0!vC0T[ xk|$Oa 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
ri JyH;) <?xml version="1.0" encoding="GB2312"?>
eN>
(IW <MenuData ImagesBaseURL="images/">
jq0tMTb%L <MenuGroup>
0"2 [I <MenuItem Label="内参信息" URL="Infomation.aspx" >
5h:SH]tn8] <MenuGroup ID="BBC">
^2kWD8c* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Yn<0D|S;X <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
U[A*A^$c} ......
Ab2g),;c CY>NU 最好将你的aspnetmenu升级到1.2版
rIb[gm)Rk (FjgnsW 21.读取DataGrid控件TextBox值
u\e#_*> foreach(DataGrid dgi in yourDataGrid.Items)
j^%i?BWw {
btOTDqG`a TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
=H,cwSE+% tb.Text....
7t04!dD} }
oo Z-T>$ %UQ?k:aWp| 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?
]R4)FH|>< HJJ^pk& 〖思归〗
xu:m~8% <asp:TemplateColumn HeaderText="数量">
g
Go <ItemTemplate>
rp'fli?0e <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
tt^ze|*&t onkeyup="javascript:DoCal()"
?J~JQe42 />
/5x`TT T),:8/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
huF L [ </ItemTemplate>
,g,jY]o </asp:TemplateColumn>
N9n1s2;o BL8\p_U <asp:TemplateColumn HeaderText="单价">
5./
(fgx> <ItemTemplate>
-ufmpq. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
N6J$z\
P onkeyup="javascript:DoCal()"
]JD$fS=_ />
R&4E7wrdP uf;q/Wr <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Vd?v"2S(9 m_(hCY=Q$ </ItemTemplate>
i52R,hz </asp:TemplateColumn>
1!f'nS s^oNQ} <asp:TemplateColumn HeaderText="金额">
\9}5}X_x. <ItemTemplate>
@qC:% |> <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
c"YK+2 </ItemTemplate>
0&.lSwa </asp:TemplateColumn><script language="javascript">
20moX7L function DoCal()
xF/D YXC{8 {
.HQ<6k:
var e = event.srcElement;
og\XLJ}_ var row = e.parentNode.parentNode;
5{g9Wh[ var txts = row.all.tags("INPUT");
JG<3,>@% if (!txts.length || txts.length < 3)
/J+)P<_ A return;
g\-3c=X S!q}Pn var q = txts[txts.length-3].value;
Lq [wabF var p = txts[txts.length-2].value;
pMquu&Td `e9uSF:9C if (isNaN(q) || isNaN(p))
;:|KfXiC8 return;
|f:d72{Qr q8h{-^" q = parseInt(q);
Qwa"AY5pW p = parseFloat(p);
?8, N4T0) +wUhB\F
* txts[txts.length-1].value = (q * p).toFixed(2);
Dgm%Ng }
d>`(.qvxR </script>
if}]8 rl^LSz -7O/ed+ h(8;7}K o3yqG#dA 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。
(7b_g6>: page_load
]-'9|N*}l page.smartNavigation=true
wY.g-3 i/J NG 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 ?
%^l&fM* private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
u}1vn} F{ {
+r$.v|6 for(int i=0;i<e.Item.Cells.Count-1;i++)
/
3k\kkv! if(e.Item.ItemType==ListItemType.EditType)
5lxq-E3 {
ee_\_" e.Item.Cells.Attributes.Add("Width", "80px")
Tqa4~|6 }
9AYe,R }
%~5Q^3$O L%d?eHF 26.对话框
12PE{Mut private static string ScriptBegin = "<script language=\"JavaScript\">";
lDU:EJ&DHE private static string ScriptEnd = "</script>";
!5OMAWNU@ N ]7a= public static void ConfirmMessageBox(string PageTarget,string Content)
sOxdq"E {
a1`cI5n string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
.:ZXtU arLl8G[ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
8~)[d!' vEe Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
++!E9GU{ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
'TrrOq4 //Response.Write(strScript);
G
r|@CZq }
YB{E=\~ mY8=qkZE 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
>ij4z
N /V<`L 1.1 取当前年月日时分秒
t MZ(s currentTime=System.DateTime.Now;
$l;tP DiQkT R 1.2 取当前年
GQ0 (&I int 年= DateTime.Now.Year;
W79A4l< c'+r[rSn1 1.3 取当前月
_*$B|%k int 月= DateTime.Now.Month;
ba9<(0` 1ysLZ;K 1.4 取当前日
]GtR8w@w int 日= DateTime.Now.Day;
r)5\3j[P $ XsQ e 1.5 取当前时
IaTq4rt int 时= DateTime.Now.Hour;
"$IwQ q7 oR9 1.6 取当前分
[E~,> Q int 分= DateTime.Now.Minute;
EjX'&"3. x0A%kp&w 1.7 取当前秒
cNr][AzU@ int 秒= DateTime.Now.Second;
<Ihed| mjl!Nth:< 1.8 取当前毫秒
?SO F
n int 毫秒= DateTime.Now.Millisecond;
m=iov2K> P>T*:!s ; 28.自定义分页代码:
h!N&gZ[0 y]YS2^ 先定义变量 :
wt.{Fqm public static int pageCount; //总页面数
Mr NOcx& public static int curPageIndex=1; //当前页面
lMzCDx!m N"x\YHp 下一页:
ms\/=96F if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
ar
qLp| {
#oroY.o DataGrid1.CurrentPageIndex += 1;
!bV(VRbu curPageIndex+=1;
#8f"}>U9., }
.-u k txfwLqx bind(); // DataGrid1数据绑定函数
Pv-V7`{ lzy$.H"W 上一页:
mERZ_[a2 if(DataGrid1.CurrentPageIndex >0)
_ K+V?-= {
!+45=d 5 DataGrid1.CurrentPageIndex += 1;
&]yJCzo] curPageIndex-=1;
9poEUjBI }
Bd oC6H v*'iWHCl, bind(); // DataGrid1数据绑定函数
ioY\8i d! QD vO 直接页面跳转:
BQuliX& int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
zj$_iB`9
=Sb:<q+Q if(a<DataGrid1.PageCount)
gjegzKU {
mf]( 3ZL this.DataGrid1.CurrentPageIndex=a;
svq9@!go }
M`C~6Mf+ #:vDBP05.m bind();
R3{*v =ov %AEK[W+0 29.DataGrid使用:
rxgVT4 tY$ty0y-e 添加删除确认:
]k`Fl," private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Xk&F4BJQk< {
/romTK4 foreach(DataGridItem di in this.DataGrid1.Items)
jRdhLs,M9 {
i9@;,4f if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
b ?2X>QJ {
;+ Co!L ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^0-e,d
9h }
sPE)m_u }
yrE,,N%I }
w-'D*dOi _5U%'\5s 样式交替:
'e<HP Ni) ListItemType itemType = e.Item.ItemType;
CVGOX z (|36!-(iK if (itemType == ListItemType.Item )
X6Nm!od' {
nT@6g|! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
=8$0$d e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
kHJDX; }
V^Mf4!A(y else if( itemType == ListItemType.AlternatingItem)
wKi}@|0[@ {
}KD7 Y e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}[KDE{,V e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6&
&} P79 }
Pi"~/MGP$ iFwyh`Bcg 添加一个编号列:
YM`:L DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
#GY&$8.u* DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
38*'8=Y#> p'Y&Z?8 for(int i=0;i<dt.Rows.Count;i++)
'?`@7Eol {
u1pc5 Y{ dt.Rows["number"]=(i+1).ToString();
E*r }
%Vw|5yA4 BDm88<] DataGrid1.DataSource=dt;
.o\;,l2 DataGrid1.DataBind();
s0\f9D n{.*El>{ DataGrid1中添加一个CheckBox,页面中添加一个全选框
Ere?d~8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
/jZaU` {
1Es*=zg foreach(DataGridItem thisitem in DataGrid1.Items)
Y0Hq+7x {
C>Omng1>^ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
2xL!PR- }
Mz/]D J8 }
+gbX}jF0% Q{.{#G 将当前页面中DataGrid1显示的数据全部删除
3WO#^}t foreach(DataGridItem thisitem in DataGrid1.Items)
t?]\M&i& {
55>" R{q if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
+7i7`'9pd {
b"R, p=M string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
5#TrCPi6A Del (strloginid); //删除函数
KdOh'OrT9. }
D0Vyh"ua }
z)58\rtz H-/; l54E 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)
6m, KL5>W []A"]p 在Application_Start中添加以下代码:
]k::J>84 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?AeHVQ
:C AppSettings["ConnStr"].ToString();
PwFQ #Z zp7V\W;
& 31. 变量.ToString()
:rz9M@7 3~[`[4n^ 字符型转换 转为字符串
p@?7^nIR*u 12345.ToString("n"); //生成 12,345.00
3d,-3U 12345.ToString("C"); //生成 ¥12,345.00
L,Ao.?j 12345.ToString("e"); //生成 1.234500e+004
laUu"cS 12345.ToString("f4"); //生成 12345.0000
3bbp>7V! 12345.ToString("x"); //生成 3039 (16进制)
&Q-[; 12345.ToString("p"); //生成 1,234,500.00%
H
Z;ZjC* w+Z- -@\ 32、变量.Substring(参数1,参数2);
"*Lj8C3|n %sO Wg.0_ 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);
5u2{n rc ~-XOvKJb 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)
1s{ISWm <SCRIPT language="javascript">
2-vJv+- <!--
~t'#n V function gook(pws)
$$haVY& {
zAeGkP ~K frm.submit();
9">zdFC' }
L#
`lQ"`K //-->
,N;))3 'i@,~[Z4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
zW*}`S" <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
vKcl6bVT <tr>
k1ipvKxp:8 <td>
{Oy9RESqc <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
=)(3Dp <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
;]2x <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
|ZvNH ~! Uj4Lu <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
<Vz<{W3t <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
pyUNRqp hnp`s%e, </td>
XXa(305 eq^TA1>T </tr>
vS7/ ~:C C>*5=p|T </form>
*ZGX-+{ N=OS\pz 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。
cU7rq j_ Yta1` 下面是获取用户输入的登陆信息的代码:
-Qg
2qN2{ string name;
c u\ls^ name=Request.QueryString["EmailName"];
UppBnw xj0cgK|! try
PV?]UUc'n< {
m! rwG( int a=name.IndexOf("@",0,name.Length);
F0@Qgk]\ f_user.Value=name.Substring(0,a);
@@'nit f_domain.Value=name.Substring(a+1,name.Length-(a+1));
uWUR3n f_pass.Value=Request.QueryString["Psw"];
3LKB; }
'Pf_5q |J:$MX~ catch
;(K {
"kX`FaAhY Script.Alert("错误的邮箱!");
,VAp>x+O Server.Transfer("index.aspx");
Ej'
7h~ =v }