1. 打开新的窗口并传送参数:
S-x'nu$u O^|:q 传送参数:
%L;z ~C response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Cj{+DXT VF#2I%R* 接收参数:
z
= mDd
string a = Request.QueryString("id");
0,a/t
jSr string b = Request.QueryString("id1");
3=YK" 5J X}j WNN 2.为按钮添加对话框
}
@r|o:I Button1.Attributes.Add("onclick","return confirm(’确认?’)");
`D
*U@iJ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nsf.wHGZ"J [l~Gwaul> 3.删除表格选定记录
* AsILK0 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
$MW-c*5a string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
[[vu#' bc 2=R}u-@6p 4.删除表格记录警告
p7SX,kpt> private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Pv-El+e! {
LYTx8 switch(e.Item.ItemType)
H]]UsY` {
:vsBobiJ case ListItemType.Item :
^wnlZ09J case ListItemType.AlternatingItem :
cXcrb4IKD case ListItemType.EditItem:
Cd Bsd TableCell myTableCell;
`vbd7i myTableCell = e.Item.Cells[14];
A=N &(k LinkButton myDeleteButton ;
n,,hE_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
4k$i:st; myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
FJI%+$] break;
b\{34z, default:
,=Q;@Z4 vJ break;
,Z3 (`ftC }
.$ o0$`} dWR-}> }
*s=jKV# +, IMN)?;z 5.点击表格行链接另一页
!'
} private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_%r +?I {
kU75 //点击表格打开
wP|Amn+; if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{pWb*~!k e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
^<$$h }
b-/8R|Mem \`kH2` 双击表格连接到另一页
4J~ZZ {fd/:B 7T 在itemDataBind事件中
9~rrN60Q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d:<</ah {
*A^`[_y string OrderItemID =e.item.cells[1].Text;
uGoySt&;( ...
Q<c{$o e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
V/t/uNm }
d*B^pDf *ku}.n 双击表格打开新一页
a1Kh if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~[N"Q|D3Y {
n%R l$ string OrderItemID =e.item.cells[1].Text;
hx.ln6=4 ...
1H-d<G0) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
t| cL! }
V7gv@<1<y )%zOq:{\5 ★特别注意:【?id=】 处不能为 【?id =】
yIq.
m= 6.表格超连接列传递参数
gs:V4$(p4 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
f{HjM?
Mb3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
\jpm
\3hj/ 7.表格点击改变颜色
Gi+ZI{) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
<i$ud&D {
2=%R>&]* e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
m>:zwz< ; this.style.color=’buttontext’;this.style.cursor=’default’;");
f(*ygI }
yQ03&{# F,.dC&B 写在DataGrid的_ItemDataBound里
@ L=dcO{r if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
qib4DT$v-6 {
%7wNS e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
u}0U! this.style.color=’buttontext’;this.style.cursor=’default’;");
a W9_[#z5 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
JVe!(L4H }
+ e3{J _ DkA@KS1Dq xm*6I 8.关于日期格式
DX b=Ku L5RBe 日期格式设定
S)\Yc=~h DataFormatString="{0:yyyy-MM-dd}"
v?L`aj1ox T!YfCw.HZ 我觉得应该在itembound事件中
Pw|J([ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
N3m~nEj AM:lU 9.获取错误信息并到指定页面
3$n O@rOS 50R&;+b 不要使用Response.Redirect,而应该使用Server.Transfer
K9=f`JI9 mM;5UPbZ e.g
8`Iz%rw&(J // in global.asax
r"hogmFD; protected void Application_Error(Object sender, EventArgs e) {
9NEL[J| if (Server.GetLastError() is HttpUnhandledException)
2_C&p6VGj Server.Transfer("MyErrorPage.aspx");
#HyE-|_C XNaiMpp' //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
E5. @=U,c }
:(TOtrK@ wqE+hKs, 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
J5#shs[M: ,b'QL6>` 10.清空Cookie
) k6O Cookie.Expires=[DateTime];
* R_mvJlT Response.Cookies("UserName").Expires = 0
Z~Vups#+f 5-B % 08T 11.自定义异常处理
5~H}%W,P //自定义异常处理类
f2,\B6+ using System;
`&/~%> using System.Diagnostics;
PCX X[N %$ ^eY'-' namespace MyAppException
P~9y}7Q\0 {
*U:0c
;h /// <summary>
|S.;']t+ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
+<$b6^>!$ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
nS9 kwaO /// </summary>
ATkx_1]KM- public class AppException:System.ApplicationException
qGhwbg {
Br}0dha3E public AppException()
bSm*/Q {
){FXonVP if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
]MaD7q>+R }
D&/~lhyNZ ,k+F8{Q. public AppException(string message)
cIB[D. {
p`T,VU&. LogEvent(message);
MgrJ ;?L }
h$_5)d~ #4wia%}u public AppException(string message,Exception innerException)
,4Qct=%L_ {
5o2vj8:: LogEvent(message);
t(r}jU=qw if (innerException != null)
353*D%8 {
%C=?Xhnv LogEvent(innerException.Message);
5"^Z7+6 }
nv}z%.rRUj }
+xojnv i564<1`x //日志记录类
>O/1Lpl.3 using System;
+GFK!Pf using System.Configuration;
Gid6,J using System.Diagnostics;
' "I-! + using System.IO;
bPHtP\) using System.Text;
qN@0k>11? using System.Threading;
&p83X %Z!3[.%F namespace MyEventLog
!6pE0(V^+4 {
CoTe$C7 /// <summary>
k:*(..!0z /// 事件日志记录类,提供事件日志记录支持
Cs?[
/// <remarks>
@78%6KZ`i /// 定义了4个日志记录方法 (error, warning, info, trace)
-0:Equ?pz /// </remarks>
?A2jj`N1x /// </summary>
'FN+BvD public class ApplicationLog
q-R'5p\C?| {
U^Ulj/%6 /// <summary>
aZB$%#'vR /// 将错误信息记录到Win2000/NT事件日志中
_n=,H /// <param name="message">需要记录的文本信息</param>
,!Q^"aOT: /// </summary>
g#s hd~e public static void WriteError(String message)
; wKsi_``@ {
F,/yK-9 WriteLog(TraceLevel.Error, message);
/^Ng7Mi! }
tL}_kK_! AroYDR,3+ /// <summary>
(hn;C>B /// 将警告信息记录到Win2000/NT事件日志中
B0dv_'L}L /// <param name="message">需要记录的文本信息</param>
/@feY?glc /// </summary>
N)Qz:o0W public static void WriteWarning(String message)
C)R#Om {
*7UDTgY WriteLog(TraceLevel.Warning, message);
ix!4s613w }
Wj"GS!5 XO,gEn&6V /// <summary>
@zi_@B /// 将提示信息记录到Win2000/NT事件日志中
*Vr;rk /// <param name="message">需要记录的文本信息</param>
hYY-Eq4TC /// </summary>
D9;s% public static void WriteInfo(String message)
q~G@S2=}0} {
z\r29IRh WriteLog(TraceLevel.Info, message);
bC0DzBnM; }
RC+`sZE9 /// <summary>
8G?OZ47k# /// 将跟踪信息记录到Win2000/NT事件日志中
mt*/%>@7R /// <param name="message">需要记录的文本信息</param>
E=L1q) /// </summary>
[E6ZmMB& public static void WriteTrace(String message)
R/@n+tbe {
H:!pFj WriteLog(TraceLevel.Verbose, message);
|nT+W|0U }
>%i]p t:yJ~En]= /// <summary>
c'&\[b(m /// 格式化记录到事件日志的文本信息格式
H-5h-p k /// <param name="ex">需要格式化的异常对象</param>
OoOr@5g /// <param name="catchInfo">异常信息标题字符串.</param>
`z~L0h /// <retvalue>
$@@@</VbP /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
;noZmPa /// </retvalue>
f&88N<) /// </summary>
`|f1^C^ public static String FormatException(Exception ex, String catchInfo)
DE!P[$J {
-PLh| StringBuilder strBuilder = new StringBuilder();
ve@E.` if (catchInfo != String.Empty)
Yrmd
hSY {
s]Qo'q2 strBuilder.Append(catchInfo).Append("\r\n");
=v49[i }
35Cm>X strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
/\d@A B^5I return strBuilder.ToString();
FN"Ye*d }
^Q5advxuq $
nHf0.V1 /// <summary>
#v}pn2g%> /// 实际事件日志写入方法
TpAso[r /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
uE-|]QQo /// <param name="messageText">要记录的文本.</param>
h$$2(!G4 /// </summary>
QM4O|x[
private static void WriteLog(TraceLevel level, String messageText)
S- JD}+9 {
W~d^ *LZt try
+~za6 {
)bl^:C EventLogEntryType LogEntryType;
pz,iQUs_o switch (level)
\<Di|X1 {
iKA}??5e case TraceLevel.Error:
`tH:oP0= LogEntryType = EventLogEntryType.Error;
MD>xRs break;
E?cf#;2h8m case TraceLevel.Warning:
!T$h?o LogEntryType = EventLogEntryType.Warning;
3%YDsd vQx break;
}Wz[ox 9b case TraceLevel.Info:
t 4>\; LogEntryType = EventLogEntryType.Information;
&*9' 0 break;
0i~?^sT' case TraceLevel.Verbose:
wrAcVR LogEntryType = EventLogEntryType.SuccessAudit;
(R-( break;
\VHRI<$+5 default:
kadw1sYj LogEntryType = EventLogEntryType.SuccessAudit;
Fr)6<9%xVm break;
+XpQ9Cd }
L-VisZ-FK )W |_f EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
[BuAJ930#5 //写入事件日志
6@-O#,]J eventLog.WriteEntry(messageText, LogEntryType);
g-DFcwO,V PXo^SHJ+gt }
'.IR|~ Y catch {} //忽略任何异常
*s$:"g- }
g4}K6)@ } //class ApplicationLog
F`M`c% }
8DcIM(;Z J8?V1Ad{ 12.Panel 横向滚动,纵向自动扩展
|G(I,EPag <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
!a^'Jbb 36\_Y?zx% 13.回车转换成Tab
sDP8! <script language="javascript" for="document" event="onkeydown">
-~ H?R if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
1R"Z+tNB event.keyCode=9;
y)mtSA8 </script>
<Y+>a#T m(CAXq-t onkeydown="if(event.keyCode==13) event.keyCode=9"
z,c=."<z A@)ou0[n@ 14.DataGrid超级连接列
YSux#*#H DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
SY$%)(c8kL 8XD_p);Oy 15.DataGrid行随鼠标变色
Huf;A1. private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
aPm2\Sq$ {
n7pjj if (e.Item.ItemType!=ListItemType.Header)
gfQ1p ? {
\T {<{<n e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
fF.sT7Az+ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
?6 //'bO:% }
RSBk^ }
5Yr$tl\k 1ZO/R%[ 16.模板列
{~EPP
. <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
z?
Ck9 <ITEMTEMPLATE>
kerBy\^ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
%a|m[6+O </ITEMTEMPLATE>
lK3{~\J- </ASP:TEMPLATECOLUMN>
/7igPNhx {ZKXT8' <ASP:TEMPLATECOLUMN headertext="选中">
ZiC~8p_f <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
&;[e <ITEMTEMPLATE>
G-5ezVli <ASP:CHECKBOX id="chkExport" runat="server" />
4nKlW_{, </ITEMTEMPLATE>
6-QcHJ>m6U <EDITITEMTEMPLATE>
|Q$9I#rv <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
aRcVoOq </EDITITEMTEMPLATE>
?63ep:QEk </ASP:TEMPLATECOLUMN>
.~fov8 yny1i9
y 后台代码
:5_394v protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
mT,#"k8 {
<ToRPx&E //改变列的选定,实现全选或全不选。
oW3|b2D CheckBox chkExport ;
9}z%+t8u if( CheckAll.Checked)
4P^CqD&i {
}-~LXL%!3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
l`."rei%) {
W|\$}@> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
UeU`U chkExport.Checked = true;
3|=L1Pw# }
g9gi7.'0 }
]MnQ3bWq"j else
q``:[Sz {
_&aPF/
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a V#phP {
\e~5Dx1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^y[- e9O| chkExport.Checked = false;
}70A>JBw }
1t} }
.p(%gmOp# }
/i(R~7;? ]nq/yAF% 17.数字格式化
IqqBUH SLda>I(p7& 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*M'/z=V?% <%#Container.DataItem("price","{0:¥#,##0.00}")%>
{_UOS8j7 ^Vg-fO]V int i=123456;
aUq2$lw1 string s=i.ToString("###,###.00");
H7}f[4S% a?@lX>Z 18.日期格式化
t]E@AJOK }!N/?A5 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
/xCX. C :Z+Jt=;
显示为: 2004-8-11 19:44:28
wY3|5kbDj 4@QR2K| 我只想要:2004-8-11 】
#U.6HBuQa <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
rp=Y } [F
24xC+ 应该如何改?
iw{^nSD *gOUpbtXa 【格式化日期】
+asO4'r .0p'G}1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
vURgR +0)H~
qB\ 【日期的验证表达式】
$E}N`B7 -PTfsQk A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
A45!hhf ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
a#a n+JY3 0<+eN8od. B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"(Nt9K%P) ^\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]))$
XrI$@e* ]q/USVj{ 【大小写转换】
o{3>n"\w3 HttpUtility.HtmlEncode(string);
*!ecb1U5 HttpUtility.HtmlDecode(string)
U:bnX51D4 49YN@PXC 19.如何设定全局变量
C8D`:k
FM7`q7d Global.asax中
AWd,qldv ]KQQdr Application_Start()事件中
w-3Lw< F?t;bV 添加Application[属性名] = xxx;
4hzdc]
a 7"1]5\p^g 就是你的全局变量
6Ad=#MM k"6&& 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
yW&ka3j\ A9MTAm{ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
-q\Rbb5M L3A2A 【ASPNETMENU】点击菜单项弹出新窗口
N_/+B]r }T NryOdt tI 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
D@kf^1G <?xml version="1.0" encoding="GB2312"?>
:6]qr 86 <MenuData ImagesBaseURL="images/">
sKk+^.K}| <MenuGroup>
v-wZHkdd1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
wNU;gz <MenuGroup ID="BBC">
"C?H:8W <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
VOIni<9y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'V&Tlw| ......
dsH*9t:z LqNyi 最好将你的aspnetmenu升级到1.2版
"BZ@m:I6hy L|B! ]} 21.读取DataGrid控件TextBox值
v7\rW{~Jd& foreach(DataGrid dgi in yourDataGrid.Items)
vmh>|N4a7 {
8H|ac[hXK2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
>GLoeCRNu tb.Text....
0Ua=&;/2 }
Ks<+@.DLTu ;e< TEs 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
#jd.i 7D1$cmtH 〖思归〗
VJ?>o <asp:TemplateColumn HeaderText="数量">
xP/q[7>#Q <ItemTemplate>
pRd'\+ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Sp*4Z`^je onkeyup="javascript:DoCal()"
9M5W4& />
\BN$WV dMCoN8W <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
p_X{'=SQ1 </ItemTemplate>
t=9f:,I$ </asp:TemplateColumn>
^bP`Iv Hp>L}5 y[ <asp:TemplateColumn HeaderText="单价">
ib~i ^_p <ItemTemplate>
'#=0q <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
%M))Ak4~a onkeyup="javascript:DoCal()"
;<_a ,5\Q />
boHbiE E
AZX <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
x/wgD'? ?5/7
@V </ItemTemplate>
*ra>Kl0
</asp:TemplateColumn>
?~4x/d% LrT EF
j <asp:TemplateColumn HeaderText="金额">
3W]gn8 <ItemTemplate>
Dh}(B$~Oz+ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
t
7o4 aBl" </ItemTemplate>
d4*SfzB </asp:TemplateColumn><script language="javascript">
W]bgWKd function DoCal()
G]N3OIw&8 {
GM?s8yZ< var e = event.srcElement;
H%gAgXHn var row = e.parentNode.parentNode;
k!}(a0h var txts = row.all.tags("INPUT");
^+v1[U@ if (!txts.length || txts.length < 3)
j7lJ7BIr return;
miu?X ! =B5{ 7g\ var q = txts[txts.length-3].value;
9}m?E<6& var p = txts[txts.length-2].value;
Mgi~j.[ GqR|hg if (isNaN(q) || isNaN(p))
d;]mwLB0 return;
p6K ~b Z\xnPhV q = parseInt(q);
T!ZjgCY} p = parseFloat(p);
{it}\[3 1[8^JVC>6 txts[txts.length-1].value = (q * p).toFixed(2);
A[ncwJ }
AU}kIm_+ </script>
u~ipB*Zf M\a{2f7'n , ?U)mYhI @j_o CDS 8FMxn{k2 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。
|Z{#DOT page_load
A|S)cr8z page.smartNavigation=true
peBHZJ``RX jwa6`u 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 ?
,;Wm>V)o private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
B=L!WGl<! {
d"06
gp for(int i=0;i<e.Item.Cells.Count-1;i++)
dk
nM| if(e.Item.ItemType==ListItemType.EditType)
6j XDLI {
TB* t^E e.Item.Cells.Attributes.Add("Width", "80px")
GdI,&|/ }
ix2i.wdD }
I9qFXvqL yRyXlZC 26.对话框
BVNJas private static string ScriptBegin = "<script language=\"JavaScript\">";
nPdkvs private static string ScriptEnd = "</script>";
8wvHg_U6W R/Bjc}J' public static void ConfirmMessageBox(string PageTarget,string Content)
m~AAO{\:b {
''@Tke3IG6 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
g:ky;-G8b ?Y3i-jY ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
R}gdN-941 G\dPGPPM
Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
&gY578tU ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
:ig=zETM //Response.Write(strScript);
5>.ATfAsV }
<efO+X! Ja:4EU$Lu 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
jmwN 1Se> m;l[flQ~ 1.1 取当前年月日时分秒
<q!HY~"V currentTime=System.DateTime.Now;
A{T9-f@X <b,WxR` 1.2 取当前年
U1y!R<qlp int 年= DateTime.Now.Year;
8c-ys-"# nt$PA(Y 1.3 取当前月
f&4+-w.:V| int 月= DateTime.Now.Month;
.O1w-,= IC'+{3.m8 1.4 取当前日
`aAE4Ry? int 日= DateTime.Now.Day;
S1Y,5,} #X'-/q`. 1.5 取当前时
pLCj"D).M int 时= DateTime.Now.Hour;
;&=CZ6vH 8|)!E`TKSV 1.6 取当前分
x)dLY.'| int 分= DateTime.Now.Minute;
jFdgFKc) g 4=1['wW 1.7 取当前秒
&?bsBqpN int 秒= DateTime.Now.Second;
ME]4tu VQH48{X 1.8 取当前毫秒
KJoa^e;~ int 毫秒= DateTime.Now.Millisecond;
C]mp< 0vfMJzk 28.自定义分页代码:
^UKY1Q. f\=
@jV 先定义变量 :
e8 ]CB public static int pageCount; //总页面数
m<3. X"- public static int curPageIndex=1; //当前页面
J' P:SC1 w:%NEa,Z 下一页:
mvT/sC7I if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
/} PdO {
zqdkt ` DataGrid1.CurrentPageIndex += 1;
w}l^B>Zz curPageIndex+=1;
dNf9,P_} }
j:1N&7<FU jc_k\ bind(); // DataGrid1数据绑定函数
mv:@ D n$SL"iezW? 上一页:
oQ]FyV if(DataGrid1.CurrentPageIndex >0)
i=n;rT {
&77J,\C$: DataGrid1.CurrentPageIndex += 1;
h\@X!Z, curPageIndex-=1;
jbS@6 *_ }
yO7H!}y_ nw/g[/<; bind(); // DataGrid1数据绑定函数
4K:Aqqhds o'$- 直接页面跳转:
|;a$
l(~< int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
|khFQ( :*
|WE29U if(a<DataGrid1.PageCount)
/1/'zF&R- {
8v4krz<Iq this.DataGrid1.CurrentPageIndex=a;
I_8 n>\u }
IxWi>8
?E!M%c@, bind();
-V2`[k OjffN'a+N 29.DataGrid使用:
D]iyr>V6' P|ibUxSA~, 添加删除确认:
*^[6uaa private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
q/*veL {
fI;nVRfp foreach(DataGridItem di in this.DataGrid1.Items)
)!AH0p {
|4/rVj" if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
=jm\8sl~~ {
mvpcRe
< ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
gA EB }
\25EI] }
^2BiMH3j }
\>oy2{=;' M*T!nwb 样式交替:
T"H"m4{' ListItemType itemType = e.Item.ItemType;
)xU+M{p-os 9UteD@* if (itemType == ListItemType.Item )
Xajt][ {
I+Yq",{% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
+pK 35u e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
mDA+
.l&)b }
s."N7F else if( itemType == ListItemType.AlternatingItem)
_
j'm2BAO {
6j1C=O@S e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
7ieAd/:_ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
9k9}57m.i }
8.wtv5eZ
N8x&<H 添加一个编号列:
h~%8p
] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
PVxu8n DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
EUrIh2 .Z ryzNM3 for(int i=0;i<dt.Rows.Count;i++)
ep5`&g]3 {
%'. x vC dt.Rows["number"]=(i+1).ToString();
{QdoIPr3 }
hDg"?{ GHi'ek <?^ DataGrid1.DataSource=dt;
/i_FA]Go DataGrid1.DataBind();
=_N$0 keQRS+9 DataGrid1中添加一个CheckBox,页面中添加一个全选框
>ZgV8X: private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Hv'
OO@z {
inq
{" 6 foreach(DataGridItem thisitem in DataGrid1.Items)
6e.l#
c!1} {
Ur1kb{i ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
hfc~HKLC }
G"L`9E<0V }
hH05p!2 ^HuB40 将当前页面中DataGrid1显示的数据全部删除
L"c.15\ foreach(DataGridItem thisitem in DataGrid1.Items)
C*RPSk {
1jBIi if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
hhU\$'0B- {
iW9 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
nu|,wE!i Del (strloginid); //删除函数
QAl4w)F }
g&.OJ }
/c!^(5K
fT t1yfSStp 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
fX\y/C @x[A^ 在Application_Start中添加以下代码:
o1{3[=G Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
T.%yeJiE AppSettings["ConnStr"].ToString();
heWQPM|s aehB,l0 31. 变量.ToString()
K2v[_a~@ E 8$S0u;` 字符型转换 转为字符串
f"AT@Ga] 12345.ToString("n"); //生成 12,345.00
{C8IYBm 12345.ToString("C"); //生成 ¥12,345.00
Jko=E
12345.ToString("e"); //生成 1.234500e+004
P_p\OK*l]o 12345.ToString("f4"); //生成 12345.0000
fceO|mSz_ 12345.ToString("x"); //生成 3039 (16进制)
!N][W#: 12345.ToString("p"); //生成 1,234,500.00%
Bk5 ELf8pL @li/Y6Wh 32、变量.Substring(参数1,参数2);
1BP/,d |+ NP4u/C< 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);
![I|hB nC?Lz1re 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)
f+)LVT8p <SCRIPT language="javascript">
a>d`g <!--
SY@;u<Pd function gook(pws)
yVK l%GO {
c7[Ba\Cr4h frm.submit();
7j#Ix$Ur }
g2M1zRm; //-->
zITxJx
$Tt.r </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
im)r4={
9 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
V)u#=OS <tr>
+o0yx U
7t <td>
eQ6wEeB9 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
cBOt=vg,5 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Z TB6m` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
:v$)Z~ ,R7j9#D <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
bcxR7<T,"9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
tWaGCxaE \O,yWyU4 </td>
-QBM^L Yn?Xo_Y </tr>
+9yMtR lh XD9ed </form>
'
eWG v [T/S/@IT 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。
7xWJw Imclz4'8 下面是获取用户输入的登陆信息的代码:
x'6i9]+r string name;
$GhL-sqm name=Request.QueryString["EmailName"];
&
\"cV0 ^'+#BPo9@ try
)Q}Q -Zt {
j>.1RG int a=name.IndexOf("@",0,name.Length);
}6{00er f_user.Value=name.Substring(0,a);
$?[pcgv f_domain.Value=name.Substring(a+1,name.Length-(a+1));
p=i6~ f_pass.Value=Request.QueryString["Psw"];
;/IXw>O(/ }
Z}SqiT p`52 catch
fI=p^k: {
CU*;>h1~u Script.Alert("错误的邮箱!");
lKqFuLHwF Server.Transfer("index.aspx");
n%02,pC6, }