1. 打开新的窗口并传送参数:
o6~JAvw `s
UY$Q 传送参数:
:qB|~"9O response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
R6;#+ 1D Z.Dg=>G] 接收参数:
#XqCz>Z string a = Request.QueryString("id");
Dyo^O=0c string b = Request.QueryString("id1");
W,80deT O8"
t.W 2.为按钮添加对话框
o%;ly Button1.Attributes.Add("onclick","return confirm(’确认?’)");
~a_X
7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
n=$ne2/ .<fdX()e, 3.删除表格选定记录
Q}<QE:-&E int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
yVGf[~X string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
<Ist^h+o a8Xwz@ M 4.删除表格记录警告
1(>2tEjYT private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-Edy ~;_ {
Dic|n@_Fy switch(e.Item.ItemType)
p"jze3mF {
i_r708ep6 case ListItemType.Item :
jpZq]E9`P case ListItemType.AlternatingItem :
Pn.DeoHme case ListItemType.EditItem:
u=]*,,5< TableCell myTableCell;
yk5K8D[tV myTableCell = e.Item.Cells[14];
f##/-NG LinkButton myDeleteButton ;
H%rNQxA2 + myDeleteButton = (LinkButton)myTableCell.Controls[0];
5|pF*8* myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
XSK<hr0m break;
T2azHo7 default:
~&MDfpl break;
,~1k:>njY~ }
> cWE@P gCG#?f }
0 } &/n>F bE2O[B 5.点击表格行链接另一页
R'>@ja* private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\SO)|M>. a {
ZADMtsk //点击表格打开
ZS]Z0iZv9 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a:HN#P)12 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
?)k]Vg. }
\.H9e/vU` |V{ Q 双击表格连接到另一页
vp!F6ZwO +'olC^?5 } 在itemDataBind事件中
f`/('}t if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b30Jr2[ {
!'BXc%`x[ string OrderItemID =e.item.cells[1].Text;
.%.7~Nu, ...
SVn@q|N e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
tH
*| }
7(tsmP .{`C>/"} 双击表格打开新一页
VX8CEO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pO:]3qv {
C8Mx>6 string OrderItemID =e.item.cells[1].Text;
A4#FAFy ...
N#e9w3Rli e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
PO6yEr }
lfC]!=2%~8 <? !' ★特别注意:【?id=】 处不能为 【?id =】
n9J{f"`m 6.表格超连接列传递参数
4`: POu& <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
GQA\JYw|oY <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
rrj.]^E_~ Xa?igbgAwx 7.表格点击改变颜色
em0Y' J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
kAPSVTH$v {
2;:p
H3 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
m&xVlS this.style.color=’buttontext’;this.style.cursor=’default’;");
]Z6? m }
Zxqlhq/) Dr%wab"yy 写在DataGrid的_ItemDataBound里
,i<cst)$u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
hf2bM
`d {
Avi_]h& e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
_<sN54 this.style.color=’buttontext’;this.style.cursor=’default’;");
H7;,Kr e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Y2.zT6i }
eXK3W2XF Z^as ?k(iM il!B={ 8.关于日期格式
N_iy4W(NU g.hYhg'KUh 日期格式设定
{GnZ@Q:F DataFormatString="{0:yyyy-MM-dd}"
vGh>1U: 2/s42
FoG 我觉得应该在itembound事件中
=G^'wwpv( e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
(g X8iKl WR"1d\m: 9.获取错误信息并到指定页面
7[qL~BT+ qA`@~\qh" 不要使用Response.Redirect,而应该使用Server.Transfer
\6?a L;j++^p e.g
KT<$E!@ // in global.asax
h{ix$Xn~ protected void Application_Error(Object sender, EventArgs e) {
nC%qdzT if (Server.GetLastError() is HttpUnhandledException)
C<(oaeQY Server.Transfer("MyErrorPage.aspx");
Fih
pp< wW)(mY? //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
+M_ _\7 }
sw$uZ$$~# L{8_6s(: 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
LOfw
#+]d Rky]F+J 10.清空Cookie
V8B4e4F Cookie.Expires=[DateTime];
pl1CPxSdO Response.Cookies("UserName").Expires = 0
>JS^yVk -XV+F@`Md 11.自定义异常处理
C&vi7Yx //自定义异常处理类
8Ala31 using System;
@$%GszyQ' using System.Diagnostics;
y<Xu65 fDqT7}L namespace MyAppException
[
fzYC'A= {
bl^Ihza /// <summary>
.yXqa"p /// 从系统异常类ApplicationException继承的应用程序异常处理类。
F/>\uzu /// 自动将异常内容记录到Windows NT/2000的应用程序日志
|%XTy7^a /// </summary>
SiX<tj#HH\ public class AppException:System.ApplicationException
ug2W{D {
ycc G>%>r public AppException()
LAxN?ok9gD {
OQ?N_zs, if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
&5b3k[K" }
msfE; J({D~ public AppException(string message)
0]c&K {
llX ` LogEvent(message);
?%Nh4+3N> }
[tfB*m5 OmBz'sp: public AppException(string message,Exception innerException)
-NN=(p!< {
(iir,Ks2C LogEvent(message);
k"&o)*d if (innerException != null)
TK\3mrEI {
' :B;!3a0d LogEvent(innerException.Message);
[F+W]Jk, }
Zc1x"j }
si6CWsb_ f yFDeYPZP //日志记录类
Z)E)-2U$@ using System;
,jis@]: using System.Configuration;
wT": using System.Diagnostics;
a!: N
C using System.IO;
X=]utn using System.Text;
~r8<|$; using System.Threading;
q q&U)-` pIcg+~ namespace MyEventLog
qNj?Rwc {
HBE[q# /// <summary>
bT2G
G /// 事件日志记录类,提供事件日志记录支持
\N0vA~N. /// <remarks>
t
sUu /// 定义了4个日志记录方法 (error, warning, info, trace)
= N*Jis /// </remarks>
*
CR#D}F /// </summary>
N?vb^? public class ApplicationLog
5<ruN11G {
k B]`py! /// <summary>
klm>/MXI` /// 将错误信息记录到Win2000/NT事件日志中
>bZ-mX)j\0 /// <param name="message">需要记录的文本信息</param>
?}s;,_GH /// </summary>
MBA?, |9Q# public static void WriteError(String message)
\vT~2Y(K {
z&d.YO_W WriteLog(TraceLevel.Error, message);
iVZ}+Ct<" }
aHW34e@ebL zs#-E_^%M /// <summary>
e3;D1@ /// 将警告信息记录到Win2000/NT事件日志中
C'$}{%Cc@$ /// <param name="message">需要记录的文本信息</param>
'A:Y&w"r /// </summary>
:\"0jQ.y| public static void WriteWarning(String message)
G'/GDN^j {
+M
I{B="7. WriteLog(TraceLevel.Warning, message);
4DCh+|r }
_<.VP 8~C}0H /// <summary>
}bS1M /// 将提示信息记录到Win2000/NT事件日志中
*GE6zGdN /// <param name="message">需要记录的文本信息</param>
}UW*[dCf>C /// </summary>
?{f6su@rW public static void WriteInfo(String message)
08nh y[ {
e*}zl>f WriteLog(TraceLevel.Info, message);
6Oy:5Ps8a }
$"/l*H\h /// <summary>
@r*GGI! /// 将跟踪信息记录到Win2000/NT事件日志中
^ul1{ /// <param name="message">需要记录的文本信息</param>
0@"'SKq /// </summary>
'xqyG XI public static void WriteTrace(String message)
?Cf'IBpN {
mgx|5Otg WriteLog(TraceLevel.Verbose, message);
~+4lmslR }
*Sj)9mp u$%C`v> /// <summary>
:;eOhZ=_ /// 格式化记录到事件日志的文本信息格式
9S]pC?N]E /// <param name="ex">需要格式化的异常对象</param>
U U_0@V< /// <param name="catchInfo">异常信息标题字符串.</param>
8+oc4~!A@n /// <retvalue>
*P*~CHx> /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
3?FY?Q[ /// </retvalue>
/r~2KZE /// </summary>
9abUh3 public static String FormatException(Exception ex, String catchInfo)
'/HShS!d {
)?[7}(4jI StringBuilder strBuilder = new StringBuilder();
QZvQ8 if (catchInfo != String.Empty)
*g+ZXB {
h8UhrD<: strBuilder.Append(catchInfo).Append("\r\n");
-&2Z/qM&! }
j13-?fQ& strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
.Bl:hk\ return strBuilder.ToString();
O6y:e#0z }
H I|a88
|=IJ^y(x| /// <summary>
45.ks. /// 实际事件日志写入方法
Zt9G[[] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ENhLonMeV /// <param name="messageText">要记录的文本.</param>
s 7 nl /// </summary>
zS;ruK%2 private static void WriteLog(TraceLevel level, String messageText)
$jh$nMx)! {
A` _dj}UF try
NHyUHFY {
N/0aO^"V EventLogEntryType LogEntryType;
)Q`Ycz- switch (level)
PzKTEYJL {
apm%\dN case TraceLevel.Error:
L3I$ K+c LogEntryType = EventLogEntryType.Error;
c+3(|k-M break;
*.nSv@F case TraceLevel.Warning:
F?2UHcs LogEntryType = EventLogEntryType.Warning;
pl
r@ break;
bI0xI[#Q case TraceLevel.Info:
I=&i &6v8G LogEntryType = EventLogEntryType.Information;
|Yw k break;
6inAnC@I case TraceLevel.Verbose:
>C_G~R LogEntryType = EventLogEntryType.SuccessAudit;
3mU~G}ig break;
hev;M)t default:
$rW(*#C LogEntryType = EventLogEntryType.SuccessAudit;
Nxt:U{`T' break;
_}p[(sTV }
Y({
R\W| k#pO+[ x EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Mu/(Xp6 2 //写入事件日志
:u9'ZHkZ eventLog.WriteEntry(messageText, LogEntryType);
L3\#ufytb ZbT$f^o}M] }
<Mvniz catch {} //忽略任何异常
k^ZP~.G }
W6>t!1oO+ } //class ApplicationLog
Ci-Ze j }
ep"{{S5g tcoG;ir 12.Panel 横向滚动,纵向自动扩展
yOz6a :r <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
&X:;B' =M-=94 13.回车转换成Tab
F&!vtlV) <script language="javascript" for="document" event="onkeydown">
0#TL$?=| if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
,!Q nh: event.keyCode=9;
A{\?]]/ </script>
4Lg
,J9 b%MZfaU onkeydown="if(event.keyCode==13) event.keyCode=9"
M *w{PjU ;8PO}{rD 14.DataGrid超级连接列
RN 4?]8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
d`rZgY W2rd[W 15.DataGrid行随鼠标变色
mOj; 0 R private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!y XGAg, {
5QK%BiDlr if (e.Item.ItemType!=ListItemType.Header)
*7H
*epUa {
o3+s.7 " e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
'|=Pw e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
"XxmiK }
c6 &k?Puy }
N9|J\;fzT O EaL2T 16.模板列
fx+_;y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\h3HaNC <ITEMTEMPLATE>
.F$}a% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
G7CkP </ITEMTEMPLATE>
v#{Nh8n </ASP:TEMPLATECOLUMN>
<eMqg u <QvVPE}z <ASP:TEMPLATECOLUMN headertext="选中">
ZqrS]i@$ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
|Q)mBvvN <ITEMTEMPLATE>
sAU%:W{ <ASP:CHECKBOX id="chkExport" runat="server" />
:|kO}NGM </ITEMTEMPLATE>
# *pB"L <EDITITEMTEMPLATE>
'kj
q C <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
;UgwV/d </EDITITEMTEMPLATE>
@k;65'"Q </ASP:TEMPLATECOLUMN>
VD&wO'U Q e+;BE-H 后台代码
m%u`#67oK protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
f_O| {
&iw,||# //改变列的选定,实现全选或全不选。
HdtGyh6X0 CheckBox chkExport ;
l (rm0_ if( CheckAll.Checked)
i/-IjgM"- {
p5E
okh foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!yj1X
Ar {
ij:a+T chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`q]' ^EzJ chkExport.Checked = true;
@mZK[*Ak<* }
nI?*[y} }
@d{}M)6\! else
*LhwIY {
r4[=pfe25 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1lIs
jBo g {
IY6Ll6OK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X%s5D&gr chkExport.Checked = false;
Z*w({k7] }
Zs/-/C| }
6_" n }
\?v&JmEU qspGNu 17.数字格式化
X\!q8KEpR& MF.!D;s 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
IWi0? V <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Hk+44 Gi-pi=#&cs int i=123456;
Ht+ro Y string s=i.ToString("###,###.00");
< w}i lwt,w<E$ 18.日期格式化
)|v du G3|23G.~)( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
V^FM-bg%9 )G/=3;! 显示为: 2004-8-11 19:44:28
ESoqmCJjb: i#YDdz 我只想要:2004-8-11 】
<H]PP6_g: <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
;DX{+Z[ Bn8&~ 应该如何改?
!lzj.|7=1 "24d:vf\ 【格式化日期】
6[XaIco=C 9nQyPb6 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
ApSseBhh P\WHM( 【日期的验证表达式】
>DY/CcG\P Z(RsB_u5 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
3F;0a ;[ ^((\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})))?$
?z M |mG;?>c) B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2&'uO'K ^\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]))$
jo"+_)] BeRs;^r+ 【大小写转换】
yg}L,JJU< HttpUtility.HtmlEncode(string);
_3wJ;cn. HttpUtility.HtmlDecode(string)
qDswFs( !-qk1+<h 19.如何设定全局变量
o"RE4s\G~r YRZw|H{>t Global.asax中
F !v01]O p=[dt Application_Start()事件中
7Y~5gn u*iqwm. 添加Application[属性名] = xxx;
b *|?7 |1ry*~ 就是你的全局变量
(*eX'^Q)d rA<J^dX=C 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#|769=1 ZHA&gdK@ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
3<FqK \P H"pYj 【ASPNETMENU】点击菜单项弹出新窗口
:/?
Op J.2BBy 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
P
>0S ZP <?xml version="1.0" encoding="GB2312"?>
`mAYK)N <MenuData ImagesBaseURL="images/">
AS0(NlV <MenuGroup>
_kOuD}_| <MenuItem Label="内参信息" URL="Infomation.aspx" >
i-0AcN./p <MenuGroup ID="BBC">
T06w`'aL <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
2mj>,kS?c <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
|OF3J,q ......
bU}!bol jj `0w@ 最好将你的aspnetmenu升级到1.2版
T2W^4) -=rGN"(M
_ 21.读取DataGrid控件TextBox值
/s)It foreach(DataGrid dgi in yourDataGrid.Items)
25, [<Ao {
79Q,XRWh| TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
3s:)CXO tb.Text....
<C"}OW8 }
gcX ]]V=\.y 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?
q{,yas7} ioTqT:. 〖思归〗
<0`"vPU <asp:TemplateColumn HeaderText="数量">
QQHC
1 <ItemTemplate>
t@cBuV`9c <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
:i?c onkeyup="javascript:DoCal()"
Qw%0<~< />
Z#%77!3 )Knsy <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
qj*BV </ItemTemplate>
/e*<-a </asp:TemplateColumn>
z9#jXC#OdN f}FJR6VO <asp:TemplateColumn HeaderText="单价">
R<h0RKiM@ <ItemTemplate>
OK}8BY <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
gJOswN;([ onkeyup="javascript:DoCal()"
U8g? />
";0-9*I &E
k\ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\BsvUGd |("5 :m </ItemTemplate>
hW cM. </asp:TemplateColumn>
XnvaT(k7Y 8{Svax( <asp:TemplateColumn HeaderText="金额">
I#p-P)Q%S <ItemTemplate>
)./'RE+(k <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
A,ao2) </ItemTemplate>
Q([g1?F9* </asp:TemplateColumn><script language="javascript">
~ YZi"u function DoCal()
8>:2li {
HoM8V"8B var e = event.srcElement;
VxAR,a1+n var row = e.parentNode.parentNode;
JY>I var txts = row.all.tags("INPUT");
DNM~/Oo if (!txts.length || txts.length < 3)
uoBPi[nK return;
,%m$_wA$ gD fVY%[Z var q = txts[txts.length-3].value;
pm;g)p? var p = txts[txts.length-2].value;
7@VR:~n}k JeCEj=_Z if (isNaN(q) || isNaN(p))
X_|} b[b return;
}fxH>79g -3b0;L&4>x q = parseInt(q);
[
06B)|s p = parseFloat(p);
r?2C%GI` X4*/h$48 w txts[txts.length-1].value = (q * p).toFixed(2);
C[$<7Mi|; }
l}c<eEfOy" </script>
qm}7w3I^ C{S6Ri ln!KL'T] }mJ)gK5b 6 B "}GAk}V 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。
I`KN8ll page_load
9p$q@Bc page.smartNavigation=true
`^N;%[c`z .g&BA15<F6 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
E3KPJ`=!*" private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
,9M \`6 {
`0 F"zu for(int i=0;i<e.Item.Cells.Count-1;i++)
%BHq2~J if(e.Item.ItemType==ListItemType.EditType)
h;unbz {
!p9F'7;Y< e.Item.Cells.Attributes.Add("Width", "80px")
@fYA{-ZC }
+l3
vIN }
QU4'x4YS #6m//0 u 26.对话框
y.eBFf private static string ScriptBegin = "<script language=\"JavaScript\">";
%I=J8$B]f private static string ScriptEnd = "</script>";
Y2D)$ >\p}UPx public static void ConfirmMessageBox(string PageTarget,string Content)
,!py
n<_ {
=O_[9kuJ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
02S(9^= 2Uk8{d ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
<*5D0q#~" 3 \WdA$Wx Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
>)
:d38M ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
bo"I:)n; //Response.Write(strScript);
1!NaOfP;@ }
dX3>j{_ %E!0,y,: 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
fu&]t8MJC 5Np. & 1.1 取当前年月日时分秒
XZT( :( currentTime=System.DateTime.Now;
Wl2>U(lj [E /3&3 1.2 取当前年
Mo<p+*8u: int 年= DateTime.Now.Year;
ffhD+-gTU nz&JG~Qfm 1.3 取当前月
J/*[wj int 月= DateTime.Now.Month;
^~ I +%~g$#tlJo 1.4 取当前日
t-Fl"@s int 日= DateTime.Now.Day;
wIiT
:o V)Xcn'h 1.5 取当前时
pV+;/y_ int 时= DateTime.Now.Hour;
Kj>_XaFCg! 8ksDXf`. 1.6 取当前分
V!=]a^]: int 分= DateTime.Now.Minute;
eK@Y] !lz LMDa68 s 1.7 取当前秒
8+ W^t I int 秒= DateTime.Now.Second;
Zn!SHj #WG(V%f] 1.8 取当前毫秒
`'QPe42 int 毫秒= DateTime.Now.Millisecond;
t8[:}[Jx [6tQv<}^ 28.自定义分页代码:
@'y"D $7*Ml)H!9 先定义变量 :
1FX-#Y`e public static int pageCount; //总页面数
`jkn*:m public static int curPageIndex=1; //当前页面
}bTMeCgI #75;%a8 下一页:
\#}%E h
b if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
tpctz~ . {
*dl@)~i DataGrid1.CurrentPageIndex += 1;
,O+7nByi[V curPageIndex+=1;
1$W!<:uh }
`F@yZ4L3S M/qiA.C@W bind(); // DataGrid1数据绑定函数
N@>S>U8C EIfrZg7R 上一页:
o_5@R+& if(DataGrid1.CurrentPageIndex >0)
s'^#[%EgB {
s5dh]vNN DataGrid1.CurrentPageIndex += 1;
Lsz`nD5 curPageIndex-=1;
a`uT'g[* }
\CGcP 1XKk~G"D bind(); // DataGrid1数据绑定函数
$b$D[4 }R x%&29& 直接页面跳转:
{%Y7]*D int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
fYi!Z/Ck2 9.B7Owgr89 if(a<DataGrid1.PageCount)
HKwGaCj` {
|"<
I\Vs: this.DataGrid1.CurrentPageIndex=a;
!|/fVWH }
N@$%0! qG qu/$bh bind();
'9gI=/29D 9lxT5Wg 29.DataGrid使用:
U{Z>y?V/ ^J_hkw~gO 添加删除确认:
qr9F private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[8w2U%}] {
YB|9k)Z2[ foreach(DataGridItem di in this.DataGrid1.Items)
kes'q8k {
$%-?S]6) if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Ymu=G3- {
ccSS au5N ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
v#FUD-Z }
C(t/:?(y }
#`$7$Y~] }
Xn=fLb( K;PpS*! 样式交替:
!)=o,sVA ListItemType itemType = e.Item.ItemType;
CmOb+:4@K Ul
Iw&U if (itemType == ListItemType.Item )
+q$|6? {
jlBCu(.,_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
}t'^Au`X e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
fL;p^t u3 }
ULjzhy+(8 else if( itemType == ListItemType.AlternatingItem)
!Xi>{nV {
d#Ajb e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
[
UJj*n e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)QD}R36Ic }
`9l\~t(M
$ Zr,- 添加一个编号列:
ise}> A!t DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
,0bM*qob DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
}[`?#`sW t,,^^ll for(int i=0;i<dt.Rows.Count;i++)
cG:`Zj~4 {
d
]
;pG( dt.Rows["number"]=(i+1).ToString();
)[*O^bPowI }
+kL(lBv' dk/*%a
+ DataGrid1.DataSource=dt;
N}G(pq} DataGrid1.DataBind();
1`{ib
G65N: DataGrid1中添加一个CheckBox,页面中添加一个全选框
D$E9%'ir private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
w)n]}k {
z%tu6_4j foreach(DataGridItem thisitem in DataGrid1.Items)
~0|hobk {
2\de |' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
~*Qpv&y) }
m9@n }
17oxD Rn_c9p
将当前页面中DataGrid1显示的数据全部删除
9lCKz
!E foreach(DataGridItem thisitem in DataGrid1.Items)
rgKn=8+a {
RzQS@^u*F0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
QO k"UP {
>iN%Uz string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
0)V-|v` Del (strloginid); //删除函数
{2^@jD }
3 H2;mqq }
_ZBR<{ .~
lt+M9 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)
Els= :4 [uQZD1<q 在Application_Start中添加以下代码:
5Suc#0y Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
0K0=Ob^(e AppSettings["ConnStr"].ToString();
{+9\o ~ WI_mJ/2 31. 变量.ToString()
W%K8HAP " g}QTZT8 字符型转换 转为字符串
-U[`pUY?f 12345.ToString("n"); //生成 12,345.00
bGc|SF<V 12345.ToString("C"); //生成 ¥12,345.00
%nf=[f 12345.ToString("e"); //生成 1.234500e+004
{NgY8wQB 12345.ToString("f4"); //生成 12345.0000
h##?~!xDmq 12345.ToString("x"); //生成 3039 (16进制)
.oN
Sg.jG 12345.ToString("p"); //生成 1,234,500.00%
~j#6 goKn hpV
/F 32、变量.Substring(参数1,参数2);
l zPS
RT \ZWmef 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);
<SdJM1%Qo cG!2Iy~lA 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)
%&+R":Bw <SCRIPT language="javascript">
0P3|1= <!--
1'm`SRX#e function gook(pws)
JO{-
P {
b(-t)5^} frm.submit();
udI:]:,P }
| O+># //-->
qS}RFM5| BBE1}V!u
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
%aE7id>v6 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
(`.qG
&6p <tr>
G:C6`uiy` <td>
8kM0
<input id="f_user" type="hidden" size="1" name="f_user" runat="server">
r9a!,^}F <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&t|V:_?/x <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
AYu'ptDNr (i0"hi <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
\ +-hn <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
=)1YYJTe9 5@t uo`k </td>
A+1]Ql)$ ~K$"PKs3 </tr>
7cP[o+ vJAAAS </form>
) wo2GF [Ro0eH 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
/Q>{YsRRB 3/IWO4?_ 下面是获取用户输入的登陆信息的代码:
dzE Q$u/I string name;
?$@KwA name=Request.QueryString["EmailName"];
m-S33PG{ ;E? hz try
Vt)\[Tl~ {
2{]S_. zV int a=name.IndexOf("@",0,name.Length);
`NWgETf^# f_user.Value=name.Substring(0,a);
mx(%tz^t f_domain.Value=name.Substring(a+1,name.Length-(a+1));
QDgEJ%U- f_pass.Value=Request.QueryString["Psw"];
QD;f~fZ }
(6#yw`\ H0b6ZA%n catch
ivUsMhx>S, {
!0csNg! Script.Alert("错误的邮箱!");
R{xyme@"^ Server.Transfer("index.aspx");
FDd>(!> }