1. 打开新的窗口并传送参数:
Eb8z`@p 3 >^B%qg6 传送参数:
~\zIb/ # response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/#}%c' "eI">`!g 接收参数:
])WIw'L! string a = Request.QueryString("id");
0b2; string b = Request.QueryString("id1");
/FcwsD\=$ " j:15m5 2.为按钮添加对话框
\d w ["k Button1.Attributes.Add("onclick","return confirm(’确认?’)");
x/ P\qI button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
1z3I^gI*i prxmDI 3.删除表格选定记录
QFhQfn int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
"azrcC string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
eT8h:+k ;=8@@9 4.删除表格记录警告
aQ)g7C private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
w Qp{z {
<a2Kc ' switch(e.Item.ItemType)
@T sdgx8 {
`UkPXCC\1 case ListItemType.Item :
r\|"j8 case ListItemType.AlternatingItem :
d UiS0Qs} case ListItemType.EditItem:
?=?9a TableCell myTableCell;
puGy`9eKv1 myTableCell = e.Item.Cells[14];
E8We2T[^M LinkButton myDeleteButton ;
dr4 m}v. myDeleteButton = (LinkButton)myTableCell.Controls[0];
3[To"You myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}5"19
Go? break;
@'S !G"\ default:
JI92Dc*o break;
AdRt\H < }
et}s yPH f=40_5a6 }
VHU,G+ms bJ6v5YA% 5.点击表格行链接另一页
*\[GfTL private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
jyjK~!0 {
!q*]_1 //点击表格打开
$h'>Zvf if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=+wkjTO e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}-M%$~` }
T<ekDhlr $ZE"o`=7 双击表格连接到另一页
z^9df( Ea3 4x 在itemDataBind事件中
Hd=! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
FYeUz$/ {
C`C$i>X7^ string OrderItemID =e.item.cells[1].Text;
n!\&X9%[8 ...
9=;ETLL " e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
jQ Of+ZE }
)`]} D[j gUxJ>~ 双击表格打开新一页
`=~d^wKYJ3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|70Lh+ {
Nv_"?er+y string OrderItemID =e.item.cells[1].Text;
,LJX ...
E@\bFy_!>b e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
$+a2CZs! }
To19=,: |Xl,~-. ★特别注意:【?id=】 处不能为 【?id =】
l=<
: 6.表格超连接列传递参数
| (a<b <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Wtwh.\Jba <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
~4+=C\r #N"K4@]{ 7.表格点击改变颜色
hSDuByoi if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n,NKJt {
p,+$7f1S e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
geu8$^ this.style.color=’buttontext’;this.style.cursor=’default’;");
efF>kcIC }
?yt" KBo/GBD]| 写在DataGrid的_ItemDataBound里
I8 {2cM; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
38T2IN {
u9"1% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
t,K_!-HX+ this.style.color=’buttontext’;this.style.cursor=’default’;");
Ym*Ed[S e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
9
&~Rj 9 }
ef=LPCi? ZO $}m? 3M{/9rR[ 8.关于日期格式
Yxt`Uvc(^h <t0o{}^P* 日期格式设定
/a$RJ6t&3 DataFormatString="{0:yyyy-MM-dd}"
)0JXUC e ;yO7!{_ 我觉得应该在itembound事件中
:jq e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
9RoN,e8! 7.PG*q 9.获取错误信息并到指定页面
=?f\o*J) .q1OT> 不要使用Response.Redirect,而应该使用Server.Transfer
?qt>;o|Ue jnuovM!x~ e.g
cO"7wgg // in global.asax
#Xc6bA& protected void Application_Error(Object sender, EventArgs e) {
GJY7vS^# if (Server.GetLastError() is HttpUnhandledException)
J34lu{'if Server.Transfer("MyErrorPage.aspx");
`AA[k 9ci=]C5o3K //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
T&=1IoOg }
1e>,QX 'o2x7~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
Ncu\;K\N ~E=.*: 5( 10.清空Cookie
gekW&tRie Cookie.Expires=[DateTime];
qmcLG*^, Response.Cookies("UserName").Expires = 0
]kuMzTH F~dq7AS 11.自定义异常处理
nJ`JF5tI //自定义异常处理类
sSC yjS'T using System;
H|H!VPof] using System.Diagnostics;
eM*@zo<- PYl(~Vac namespace MyAppException
D^Bd>Ey4 {
0SXWt? } /// <summary>
z&o"K\y\ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
2 fX-J /// 自动将异常内容记录到Windows NT/2000的应用程序日志
\ qc8;"@ /// </summary>
-So&?3,\A@ public class AppException:System.ApplicationException
{4g1Wr5= {
gd6We)& public AppException()
mKwhd} V {
Eoug/we if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
DT_HG| }
2yhtJ9/ Uc6BI$Fmz public AppException(string message)
0sq1SHI{ {
`RUr/|S LogEvent(message);
W
:PGj0? }
sAIL+O SnRTC<DDh public AppException(string message,Exception innerException)
%Ysu613mz {
2P8JLT*Tj LogEvent(message);
R/M:~h~F! if (innerException != null)
w8*+l0 {
Cd.pMoS LogEvent(innerException.Message);
nJF"[w, ? }
`?PZvGi }
6>)]7(B<d }> k9]Y //日志记录类
>b#z
o, using System;
dZm>LVjG using System.Configuration;
W$@q
~/E using System.Diagnostics;
A+3@N99HeH using System.IO;
K3&v6 #] using System.Text;
gM20n^ using System.Threading;
EVMhc"L EN()dCQHr namespace MyEventLog
'8~7Ru\KyX {
G8@({EY /// <summary>
~zFs/(k /// 事件日志记录类,提供事件日志记录支持
-<a~kVv /// <remarks>
LbtcZ)D! /// 定义了4个日志记录方法 (error, warning, info, trace)
4_J*
0=U /// </remarks>
L$h.VQv+ /// </summary>
A"k6n\!n; public class ApplicationLog
|Sy|E {
FGBPhH% (8 /// <summary>
}%[TJ@R; /// 将错误信息记录到Win2000/NT事件日志中
{Q?AIp6u| /// <param name="message">需要记录的文本信息</param>
5UR$Pn2a2 /// </summary>
<0vQHND,3 public static void WriteError(String message)
}-k<>~FA {
EkM? Rs WriteLog(TraceLevel.Error, message);
*I`, L/ }
4aGV1u+4 0]{h,W3]@[ /// <summary>
7am ._K /// 将警告信息记录到Win2000/NT事件日志中
tt,MO)8VD /// <param name="message">需要记录的文本信息</param>
IP$^)t[ /// </summary>
too=+'<N</ public static void WriteWarning(String message)
~d ~$fR {
(1%u`#5n-N WriteLog(TraceLevel.Warning, message);
g4P059 }
O82T| 0uw TS)p2# /// <summary>
_(3VzI'G /// 将提示信息记录到Win2000/NT事件日志中
q*TH),)J /// <param name="message">需要记录的文本信息</param>
BKIAc6 /// </summary>
Miqu public static void WriteInfo(String message)
gAC} {
>IC.Zt@ WriteLog(TraceLevel.Info, message);
|dpOE<f[ }
wt[MzpR P /// <summary>
`&b8wF /// 将跟踪信息记录到Win2000/NT事件日志中
2J^6(vk /// <param name="message">需要记录的文本信息</param>
41mg:xW(J /// </summary>
~K 8eRT public static void WriteTrace(String message)
BbA>1#i5] {
"2)<'4q5) WriteLog(TraceLevel.Verbose, message);
)?joF) }
>5#`j+8=q kYl$V= /// <summary>
uz".!K[,wE /// 格式化记录到事件日志的文本信息格式
RD_&m?d /// <param name="ex">需要格式化的异常对象</param>
cPi 3UjY~ /// <param name="catchInfo">异常信息标题字符串.</param>
aJ8 8U69 /// <retvalue>
E:T<mI?d /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
W*e6F?G /// </retvalue>
*TVr|
to /// </summary>
1]aM)}, public static String FormatException(Exception ex, String catchInfo)
bv5,Yk {
D)8&v`LS StringBuilder strBuilder = new StringBuilder();
.%<oy"_ if (catchInfo != String.Empty)
$)vljM<< {
k'&BAC.K, strBuilder.Append(catchInfo).Append("\r\n");
G$}\~dD }
rV)mcfw:Z strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
gpVZZ:~ return strBuilder.ToString();
mEv<r6qDT }
kih;'>H< uDay||7^g /// <summary>
v#@"Evh7 /// 实际事件日志写入方法
f%` =>l /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
3_~V(a /// <param name="messageText">要记录的文本.</param>
3bu VU&ap /// </summary>
{'E%SIRZ) private static void WriteLog(TraceLevel level, String messageText)
2aX|E4F {
iUFS1SN \ try
%N7b
XKDP {
L&MR%5 EventLogEntryType LogEntryType;
RmY5/IYR|: switch (level)
^](sCE7 {
U8-#W(tRR case TraceLevel.Error:
*?Nrx=O* LogEntryType = EventLogEntryType.Error;
fchsn*R%- break;
EeG7 %S
5( case TraceLevel.Warning:
QxH%4 )? LogEntryType = EventLogEntryType.Warning;
]@vX4G/ break;
ZZ?0%9 case TraceLevel.Info:
'Xoif" LogEntryType = EventLogEntryType.Information;
tisSj ?+ break;
<iuESeDG case TraceLevel.Verbose:
LdwWB
`L LogEntryType = EventLogEntryType.SuccessAudit;
f
<fa+fB break;
Q&@Ls?pu default:
x:\+{- LogEntryType = EventLogEntryType.SuccessAudit;
!?Gt5$f break;
+w[vYKSZm }
R2vT\ 6xv x2=Bu#Y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Yrs7F.Y" //写入事件日志
, 7KP eventLog.WriteEntry(messageText, LogEntryType);
JS<S?j?*/ $wg5q\Rv }
KiAWr-~gJ catch {} //忽略任何异常
>!848J }
zsFzF`[k } //class ApplicationLog
njtz,qt_;G }
~7+7{9g "3.v(GVr 12.Panel 横向滚动,纵向自动扩展
px8988X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
)'+" y~ gI "ZhYI 13.回车转换成Tab
4~xKW2*`K <script language="javascript" for="document" event="onkeydown">
U$v|c%6 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
v_mk{ event.keyCode=9;
p4GhT~)l: </script>
r+n0M';0 pFgpAxl onkeydown="if(event.keyCode==13) event.keyCode=9"
fI"sdzu^ O 7RIcU 14.DataGrid超级连接列
fb-Lp#!T39 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
">cLPXX 3n;>k9{ 15.DataGrid行随鼠标变色
94VtGg=b} private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hb#Nm6 {
86Hg?!<i. if (e.Item.ItemType!=ListItemType.Header)
ve($l"T {
(VDY]Q) e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
bCMo8Xh e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
(rqc_ZU5 }
T<yAfnTb` }
K+MSjQS" Q2yD4>qy 16.模板列
;\j7jz^uC <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
-]el_:H <ITEMTEMPLATE>
2[~|#0x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
~MWI-oK </ITEMTEMPLATE>
yN[aBYJx,M </ASP:TEMPLATECOLUMN>
! yqez 94^)Ar~O
<ASP:TEMPLATECOLUMN headertext="选中">
ypU-/}Cf, <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
~_Q~AOFM <ITEMTEMPLATE>
b S-o86u <ASP:CHECKBOX id="chkExport" runat="server" />
(xpt_]Q!H </ITEMTEMPLATE>
5~D(jHY; <EDITITEMTEMPLATE>
4`yE'%6.} <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
6$CwH!42F </EDITITEMTEMPLATE>
QN47+)cVt" </ASP:TEMPLATECOLUMN>
qm^|7m^ fi%)520 后台代码
i>z_6Gax*[ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
a+'k#m {
@k=UB&?I //改变列的选定,实现全选或全不选。
lXtsnQOOK CheckBox chkExport ;
u7&q(Z&&O if( CheckAll.Checked)
&Va="HNKt {
;~D$rT foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{zX]41T {
7Tb[sc' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
IiU\}<O chkExport.Checked = true;
c wNJ{S+ }
Q,nJz*AJ }
Y5c,O>T5Y else
T:T`M:C. {
Emy=q5ryl foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9?X8H1 {
:@uIEvD? chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>``sM=W at chkExport.Checked = false;
9xi nX-x;n }
r7)qr%n }
QyghNImp }
IR2=dQS = N&5]Z 17.数字格式化
L4DT*(;!E Vv54;Js9 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
OZc4 -5 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
gY'-C *\.8*6*$! int i=123456;
lArKfs/ string s=i.ToString("###,###.00");
dI%?uk 1=Z!ZY}}e 18.日期格式化
zmU@ k /4*Y#IpZ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Brtsig,4 >.M>,m\ 显示为: 2004-8-11 19:44:28
|nCVM\+5T [#=IKsO'R6 我只想要:2004-8-11 】
vPz$+&{I <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
O1D|T"@ P_4E<"eK 应该如何改?
JM1O7I Ptz##o'{5 【格式化日期】
FnKC|X Fc#Sn2p* 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
^T:L6: }DQTy.d;P 【日期的验证表达式】
Ol B9z o%bf7)~s A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
&~Pk*A_: ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Jd^Lnp6? c/Fgx/hr B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
lJ]]FuA-Q ^\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]))$
|Fz ^(US u^G Y7gah 【大小写转换】
(\D E1q HttpUtility.HtmlEncode(string);
+OqEe[Wk# HttpUtility.HtmlDecode(string)
g<@Q)p*ow V@g v 19.如何设定全局变量
42~.N=2 I_5/e>9 Global.asax中
/oW]? 9 G^N@r:RS Application_Start()事件中
{,i-V57-h ,PmUl= 添加Application[属性名] = xxx;
3dSb!q0&N dQ:F 5|p 就是你的全局变量
ufCpX>lNF J/fnSy 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
c7~R0nP ]J [d8S5 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
.uVd' }zks@7kf 【ASPNETMENU】点击菜单项弹出新窗口
_Dd>e=v U(0FL6sPC 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
$|xSM2 <?xml version="1.0" encoding="GB2312"?>
7Q]c=i cg <MenuData ImagesBaseURL="images/">
5D.Sg;\ <MenuGroup>
d!w3LwZ <MenuItem Label="内参信息" URL="Infomation.aspx" >
`!t-$i <MenuGroup ID="BBC">
m";..V <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
PWZd< <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'da
'WZG ......
V*ao@;sD od{\z 最好将你的aspnetmenu升级到1.2版
&&m3E=K!^ e@qH!.g) 21.读取DataGrid控件TextBox值
'B{FRK foreach(DataGrid dgi in yourDataGrid.Items)
i^e8.zgywF {
~uH_y- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
2cUT bRm tb.Text....
F$(ak;v} }
l 9
wO x #GLW3} 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
hVmnXT
3Z mE`qA*=? 〖思归〗
Q&N#q53 <asp:TemplateColumn HeaderText="数量">
(De{r| <ItemTemplate>
);%H;X+x <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
hO&b\#@~ onkeyup="javascript:DoCal()"
c\2rKqFD8 />
D/f4kkd GyWa=KW.u <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
2?GMKd) </ItemTemplate>
# H
w(w </asp:TemplateColumn>
C<AW)|r_ RSe4lw <asp:TemplateColumn HeaderText="单价">
E0R6qS:' <ItemTemplate>
#kASy 2t <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
'Zp{ onkeyup="javascript:DoCal()"
/ n_s"[I4 />
z,4mg6gt gT_KOO0n <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
dgF%&*Il]O $GFR7YC 7 </ItemTemplate>
#'q7 x </asp:TemplateColumn>
VJqk0w+ hp)^s7H <asp:TemplateColumn HeaderText="金额">
_%-
+"3Ll <ItemTemplate>
N"G aQ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
.Zczya </ItemTemplate>
IGcq*mR= </asp:TemplateColumn><script language="javascript">
q:/df]Ntt function DoCal()
dv>n38&mDQ {
UMR ?q0J var e = event.srcElement;
}a||@unr var row = e.parentNode.parentNode;
M/quswn1 var txts = row.all.tags("INPUT");
M&j|5UH%. if (!txts.length || txts.length < 3)
0o=HOCL\ return;
)Q'E^[Ua \~ChbPnc var q = txts[txts.length-3].value;
Fs( PVN var p = txts[txts.length-2].value;
Sy|GM~ WJOoDS!i if (isNaN(q) || isNaN(p))
N!7}B return;
WHY/x /$ R~4X?@ZB q = parseInt(q);
80*hi)ux[
p = parseFloat(p);
cx$IWQf2 3$nK
txts[txts.length-1].value = (q * p).toFixed(2);
Sp80xV_B }
Y/kq!)u;%L </script>
x/umwT,o v D#b*M)X" \;)g<TwL zHb[.ry~ J+`aj8_ B 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 page_load
fz=?QEG page.smartNavigation=true
#m.e9MU }_]AQN$'G 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
TC?B_;a private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
. ,^WCyvq {
jr4xh{Z` for(int i=0;i<e.Item.Cells.Count-1;i++)
D=-}&w_T" if(e.Item.ItemType==ListItemType.EditType)
@gD)pH {
LpU}. e.Item.Cells.Attributes.Add("Width", "80px")
[yXmnrxA }
B-Jd|UE`u }
`FMo;,j "l56?@- x 26.对话框
^)Hf% private static string ScriptBegin = "<script language=\"JavaScript\">";
Y[6T7eZ0g private static string ScriptEnd = "</script>";
t]LiFpy2IC ^HSxE public static void ConfirmMessageBox(string PageTarget,string Content)
R&Y_ {
32[}@f2q string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
m1X7zU Cy 8%7%[WC# ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
qNQ54# 'QCIKCn< Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
=%X."i1A ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
W[8Kia-OD //Response.Write(strScript);
8)X9abC }
{cm?Q\DT j,M$l mR') 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
MxsLrWxm t1FtYXv`/ 1.1 取当前年月日时分秒
ZRagM'K currentTime=System.DateTime.Now;
2I-d.{ qT$k%( 1.2 取当前年
d05xn7%!{ int 年= DateTime.Now.Year;
_!03;zrO +`
Md5.w 1.3 取当前月
AByl1)r| int 月= DateTime.Now.Month;
iS$[dC ?N TpKAdrY 1.4 取当前日
rOSov"7 int 日= DateTime.Now.Day;
ra$:ibLN hQn?qJy%W 1.5 取当前时
h6h6B.\Ld int 时= DateTime.Now.Hour;
(;l@d|g kTb$lLG\xk 1.6 取当前分
Je6[q int 分= DateTime.Now.Minute;
b#6S8C+@ ipv5JD[ 1.7 取当前秒
Z1
D int 秒= DateTime.Now.Second;
y]j.PT`Cw {"ST
hTZ 1.8 取当前毫秒
jrib"Bh3, int 毫秒= DateTime.Now.Millisecond;
*2/Jg'de L/8oqO| 28.自定义分页代码:
op6]"ZV-C 5)#j }`6 先定义变量 :
cJ4My#w public static int pageCount; //总页面数
-zg*p&F public static int curPageIndex=1; //当前页面
ppAbG,7 h*S"]ye5 下一页:
`nPdZ. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
jx}&%p X {
ZJ/528Ju DataGrid1.CurrentPageIndex += 1;
uavATnGO{B curPageIndex+=1;
+A3/^C0 }
5|H;%T3_ 8}'iEj^e bind(); // DataGrid1数据绑定函数
$C[z]}iOi hi8q?4jE 上一页:
f8Hq&_Pn if(DataGrid1.CurrentPageIndex >0)
cE\w6uBR1 {
^j<v~GTx+ DataGrid1.CurrentPageIndex += 1;
*rq*li; curPageIndex-=1;
=6sP`: }
6Og@tho HMq}){=S bind(); // DataGrid1数据绑定函数
h"`\'(,X uMcI'= 直接页面跳转:
N^;lp<{6? int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
C[^VM$ `^)`J if(a<DataGrid1.PageCount)
4$Ai!a {
i 8sv,P this.DataGrid1.CurrentPageIndex=a;
' @!&{N }
#
&v4c FQWjL>NB bind();
V;SfW2`) b<u\THy# 29.DataGrid使用:
u3h(EAH> k\OZ'dS 添加删除确认:
j7P49{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$JFjR@j {
Oc)n,D)0 foreach(DataGridItem di in this.DataGrid1.Items)
a
,mgM&yD {
~?/7:S if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
7F"ljkN1S {
) 57'< ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
PF4[;ES' }
c&D+=
}
0}i
9`p }
QytO0K5
/ 4Q=%n 样式交替:
eu(Fhs
ListItemType itemType = e.Item.ItemType;
DwBe_h . AH,?B*zGj if (itemType == ListItemType.Item )
DFr$2Y3H {
?O25k!7 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
"5JMk
-2k e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5 H._Q }
NZGO8u else if( itemType == ListItemType.AlternatingItem)
&OU.BR> {
|]kiH^Ap e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
/qQx~doK e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
I]ej ]46K }
X"Eqhl<t ZRhk2DA#FF 添加一个编号列:
AG >D,6Y DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
~vF*&^4Vh DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
H;=yR]E hTBJ\1
- for(int i=0;i<dt.Rows.Count;i++)
;8H&FsR {
u/tJ])~@ dt.Rows["number"]=(i+1).ToString();
RrLiH> }
(0`rfYv5.R $I5|rB/4? DataGrid1.DataSource=dt;
X[J<OTj`$ DataGrid1.DataBind();
WGV]O| `_ ^I 2 DataGrid1中添加一个CheckBox,页面中添加一个全选框
nu^@}|UG private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
X}B]5 {
@Hj]yb5 foreach(DataGridItem thisitem in DataGrid1.Items)
6?"Gj}|r {
@G&oUhS ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
T:j41`g%s }
jzi%[c<G }
[?z;'O}y ufR|V-BWx 将当前页面中DataGrid1显示的数据全部删除
xgOt%7sb foreach(DataGridItem thisitem in DataGrid1.Items)
z{.&sr>+v {
KMT$/I{p, if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
-/8V2dv3 {
,,FhE string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
ycN!N Del (strloginid); //删除函数
hQ3@Cf W }
V xN!Ki= }
zRh)q,Dt P w6l' 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
C4E* q3[Y QP%AJ[3ea% 在Application_Start中添加以下代码:
P'}EZ' Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
dnANlNMk? AppSettings["ConnStr"].ToString();
25G~rklk l2#~
31. 变量.ToString()
w^~s4Q_>> J?p|Vy|9 字符型转换 转为字符串
tm;\m!^X{ 12345.ToString("n"); //生成 12,345.00
UeUOGf , 12345.ToString("C"); //生成 ¥12,345.00
Kj"n
Id) 12345.ToString("e"); //生成 1.234500e+004
%i&am= 12345.ToString("f4"); //生成 12345.0000
f`}u9!jVR 12345.ToString("x"); //生成 3039 (16进制)
?zo7.R-Vac 12345.ToString("p"); //生成 1,234,500.00%
|r*y63\T !ggHLZRlz 32、变量.Substring(参数1,参数2);
1\jj3Y'i' 5=s|uuw/ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Nj;(QhYZ tjZS:@3
Z 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
T5[(vTp <SCRIPT language="javascript">
2%l(qfN9 <!--
zll?/|% function gook(pws)
V2Z^W^ {
nQw, /Lk frm.submit();
GyE5jh2 }
~@^ pX*%i //-->
*XXa9z Swv
=gu </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
m,J9:S<5; <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
voN, u>U <tr>
Si;eBPFH <td>
: 2L-Nf <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
?f6Fj <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
f+Bv8 g <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
>+BLD ~\R+p~> <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
*xKY>E+ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
bmC{d pr"q-S>E </td>
Oi!uJofW `?"[u"* </tr>
-A8CW9|mk h*NBSvn </form>
g dBH\K (\ &-.2P!t 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
S#D6mg$Z, jivGkIj!8 下面是获取用户输入的登陆信息的代码:
y#{> tC string name;
yzCamm4~0 name=Request.QueryString["EmailName"];
5DeAH; "CQ:<$|$ try
_nW#Cl~ {
ID=^497
int a=name.IndexOf("@",0,name.Length);
gDsb~>rb| f_user.Value=name.Substring(0,a);
cr{f*U6` f_domain.Value=name.Substring(a+1,name.Length-(a+1));
BG20R=p f_pass.Value=Request.QueryString["Psw"];
\R#OJ=F }
P_c9v/ <yEd'Z catch
lGN{1djT {
SxRa?5 Script.Alert("错误的邮箱!");
)mXu{uowr Server.Transfer("index.aspx");
]OA8H[U-eA }