1. 打开新的窗口并传送参数:
?LvCR_D: W 4F \}A 传送参数:
E<yW\ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
_YcA+3ZL v\p;SwI 接收参数:
\&H nKhI string a = Request.QueryString("id");
*S/_i-ony string b = Request.QueryString("id1");
H$I=W>; L!=QR8?@E 2.为按钮添加对话框
~gGZmTb Button1.Attributes.Add("onclick","return confirm(’确认?’)");
6Cn+e.j@ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
_i/t?7 _YF%V;X 3.删除表格选定记录
`FoxP int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
7Hm3;P. string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
^tXJj:wtS ]c! ;L5 4.删除表格记录警告
.A6(D$O k private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
7b<yVP;{ {
6`f2-f9%iq switch(e.Item.ItemType)
AhZ8 0! {
cReB~wk case ListItemType.Item :
m=YU2!Mb case ListItemType.AlternatingItem :
_cXqAo[V case ListItemType.EditItem:
~8lwe*lNV TableCell myTableCell;
r/SG 4 myTableCell = e.Item.Cells[14];
_-EyT LinkButton myDeleteButton ;
3YVi"
k?2 myDeleteButton = (LinkButton)myTableCell.Controls[0];
-|E!e.^7: myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
OoWyPdC+P break;
.k,kTr$S default:
)I3NeKWz break;
o<N nV }
EVoEszR TYy.jFT- }
V{JAB]?^ 6L)%T02C 5.点击表格行链接另一页
7}X[
4("bB private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
t+eVR8 {
>Q(3*d > //点击表格打开
%Ah^E$&n2 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y3h/IpT e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
-{ H0g] }
;UxP
Kpl ONe# rKJ_ 双击表格连接到另一页
^k9kJ+x^S2 K"r*M.P> 在itemDataBind事件中
X-wf:h?i if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8O38#{[S {
kkQVNphc string OrderItemID =e.item.cells[1].Text;
}I
:OsAw ...
XHK70: i e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
^/r7@: }
m@^1JlH -?0qf,W. 双击表格打开新一页
yxH ( c if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?Orxmxc
2 {
t2lS
~l) string OrderItemID =e.item.cells[1].Text;
RO.k]x6 ...
Bro9YP4< e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
B&@?*^. }
g[3)P+ 9^j &VmF ★特别注意:【?id=】 处不能为 【?id =】
!P-^O 6.表格超连接列传递参数
R=|{n'n$0| <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!1ED~3/X <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
-:na:Vsi ;A*`e$ 7.表格点击改变颜色
:3I@(k\PY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#Y4=J
6 {
1~PV[2a e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
~/P&Tub^ this.style.color=’buttontext’;this.style.cursor=’default’;");
\ioH\9 }
`|/<\ (Tbw3ENz 写在DataGrid的_ItemDataBound里
MgY0q?.S= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#*KNPh {
lR(+tj)9uO e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
dUQDOo this.style.color=’buttontext’;this.style.cursor=’default’;");
t{.8|d@
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
H XmS|PX }
FAj)OTI2S +1D+]*t_?[ 3nhXZOO1 8.关于日期格式
HBMhtfWW i{`;R 日期格式设定
GgB,tam{p DataFormatString="{0:yyyy-MM-dd}"
?W)A vMm1Z5S/ 我觉得应该在itembound事件中
lGOgN!?i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Vb= Mg ;NHt7p8SE 9.获取错误信息并到指定页面
RR]CW tfGHea)M 不要使用Response.Redirect,而应该使用Server.Transfer
!s&NT @ S yI"6Da6|y e.g
1#ft#-g} // in global.asax
@9lUSk^9 protected void Application_Error(Object sender, EventArgs e) {
P9vA7[ if (Server.GetLastError() is HttpUnhandledException)
/%;mqrdk Server.Transfer("MyErrorPage.aspx");
hX=A)73( d&+h}O //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
m+Rv+_R }
f>N!wgo[
wwyPl 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
~W{2Jd hBBUw0" 10.清空Cookie
e8GEoD Cookie.Expires=[DateTime];
K~| 4[\ Response.Cookies("UserName").Expires = 0
L{8xlx` E6pMT^{K 11.自定义异常处理
9T*v9d //自定义异常处理类
FSA1gAW6g using System;
'7iSp= using System.Diagnostics;
)3>hhuaa {qN 5MsY namespace MyAppException
%'X[^W {
D"a~#^ /// <summary>
M)2VcDy /// 从系统异常类ApplicationException继承的应用程序异常处理类。
'2[albxSc /// 自动将异常内容记录到Windows NT/2000的应用程序日志
+Zaj,oEE
/// </summary>
~2gG(1%At9 public class AppException:System.ApplicationException
,}K7Dg^1 {
Cd>WUw public AppException()
d~JKH&x< {
i;_t I#:A if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
MMx9(`t*. }
VB,?Mo}R \E*d\hrl{ public AppException(string message)
t+1 %RyKFB {
fvdU`*|n) LogEvent(message);
^$'z!+QRM }
p IU&^yX> .ZJRO>S public AppException(string message,Exception innerException)
k[:bQ)H {
<U!`J[n% LogEvent(message);
4Za7^c. if (innerException != null)
8&)DE@W {
w-t8C=Z LogEvent(innerException.Message);
vJ-q*qM1 }
~;#Y9>7\\' }
6y9t(m !g(KK|`,m //日志记录类
QT>`^/]d using System;
U8LtG/ using System.Configuration;
G"Sd@%W( using System.Diagnostics;
er!DYv using System.IO;
:[hgxJu+ using System.Text;
|~X ;1j! using System.Threading;
L;'"A#Pa
]y1OFKYv namespace MyEventLog
Vp3ZwS {
TwVlg; /// <summary>
\<y#R~7s /// 事件日志记录类,提供事件日志记录支持
?MgUY)X /// <remarks>
\\u<S=G /// 定义了4个日志记录方法 (error, warning, info, trace)
S&b*rA02zp /// </remarks>
\4-"L> /// </summary>
OeS\7 public class ApplicationLog
ng_^ {
o!{w"K /// <summary>
2M68CE /// 将错误信息记录到Win2000/NT事件日志中
7]||UuF< /// <param name="message">需要记录的文本信息</param>
~s]iy9i /// </summary>
,z-}t&
_t public static void WriteError(String message)
dVi!Q@y+ {
S/ODqL| WriteLog(TraceLevel.Error, message);
9Bw|(J }
P#XID 2; 9&_<f}ou /// <summary>
Z`KC%!8K /// 将警告信息记录到Win2000/NT事件日志中
37|&?|| /// <param name="message">需要记录的文本信息</param>
JQ6zVS2SSS /// </summary>
s1h/} public static void WriteWarning(String message)
T
QSzx%i2 {
b#hDHSdZ, WriteLog(TraceLevel.Warning, message);
LS88.w\=S@ }
@++.FEf Te}8!_ohyC /// <summary>
sSi6wO$ /// 将提示信息记录到Win2000/NT事件日志中
'{V0M<O /// <param name="message">需要记录的文本信息</param>
i-6F:\; /// </summary>
Y!gCMLL public static void WriteInfo(String message)
!WpBfd>v.I {
zBk'{[y9L WriteLog(TraceLevel.Info, message);
%Cv D-![0 }
!`M|C?b /// <summary>
` M3w]qJ<} /// 将跟踪信息记录到Win2000/NT事件日志中
%
<qw /// <param name="message">需要记录的文本信息</param>
t`,`6@d /// </summary>
aW`Lec{. public static void WriteTrace(String message)
c;n *AK {
'-"/ =j&d[ WriteLog(TraceLevel.Verbose, message);
j"'(sW- }
6Qy@UfB !=:$lzS^ /// <summary>
/x[jQM\ /// 格式化记录到事件日志的文本信息格式
7|[mz> "d /// <param name="ex">需要格式化的异常对象</param>
vDxe/x% /// <param name="catchInfo">异常信息标题字符串.</param>
s!}ne"&0
/// <retvalue>
"0cID3A$ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
JAX*hGhkh /// </retvalue>
A?t%e /// </summary>
x*nSHb public static String FormatException(Exception ex, String catchInfo)
!qN||mCH {
"G@g" gP StringBuilder strBuilder = new StringBuilder();
mM-8+H?~b if (catchInfo != String.Empty)
*Ie7{EhJ' {
$+3}po\ strBuilder.Append(catchInfo).Append("\r\n");
X7i/fm{l' }
kT!9`S\ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
pFHz"] return strBuilder.ToString();
9uBM< }
t[oT-r ZObhF#Y9 /// <summary>
t{WzKy /// 实际事件日志写入方法
O2BDL1o /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
LM-J !44 /// <param name="messageText">要记录的文本.</param>
hijgF@ /// </summary>
GrAujc5| private static void WriteLog(TraceLevel level, String messageText)
vOc 9ZE {
'_/Bp4i try
fmiz,$O4? {
x>* Drm 7 EventLogEntryType LogEntryType;
v!ujj5-$I switch (level)
yz LpK; {
x\s|n{ case TraceLevel.Error:
^,;z|f'%* LogEntryType = EventLogEntryType.Error;
Tp_L%F break;
KFvQ case TraceLevel.Warning:
j;fpQ_KL LogEntryType = EventLogEntryType.Warning;
[zlN!.Z break;
=IW?WIXk case TraceLevel.Info:
*EZHJt9 LogEntryType = EventLogEntryType.Information;
U9A~9"O break;
ZOQTINf case TraceLevel.Verbose:
/s[l-1zW LogEntryType = EventLogEntryType.SuccessAudit;
DJ(q
7W break;
>ey\jDr#O default:
43Qtj$F LogEntryType = EventLogEntryType.SuccessAudit;
KB'qRnkc break;
sPMa]F( }
S!G(a"<W 8qu2iPOcZ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
}=6'MjF] //写入事件日志
0VGPEKRh eventLog.WriteEntry(messageText, LogEntryType);
L_+k12lm k'IYA#T6 }
R@6zGZ1 catch {} //忽略任何异常
jlBanGs? }
I]Dl / } //class ApplicationLog
F;l$.9? .s }
R&Jm
+3N r!HwXeEn/ 12.Panel 横向滚动,纵向自动扩展
JoN\]JL\, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
-xDGH L.2/*H#
13.回车转换成Tab
QzzW x2 <script language="javascript" for="document" event="onkeydown">
"9^j. if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
)6Ny1x+ event.keyCode=9;
00SbH$SU </script>
2cq I[t@0 _:-ha?W$;y onkeydown="if(event.keyCode==13) event.keyCode=9"
=}v}my3y" L2pp6bW 14.DataGrid超级连接列
)d$glI+ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
HN.3 u\LFlX0sO 15.DataGrid行随鼠标变色
q|v(Edt|_[ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
]"1`+q6i {
I-WhH>9 if (e.Item.ItemType!=ListItemType.Header)
0em#-*|2" {
YR>B_,Gl e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
B,K>rCZ/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
FcRW;e8- }
Ircp``g }
9f',7i ZP;j9T! 16.模板列
_=NwQu\_F <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
mN>h5G>a <ITEMTEMPLATE>
~d%Pnw| <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
FFH_d <q </ITEMTEMPLATE>
NDs!a </ASP:TEMPLATECOLUMN>
niqN{ `xywho%/Y <ASP:TEMPLATECOLUMN headertext="选中">
gOr%!QaF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
72X0Tq 4 <ITEMTEMPLATE>
0qo)."V{ <ASP:CHECKBOX id="chkExport" runat="server" />
T.We: ,{ </ITEMTEMPLATE>
v|Yh w <EDITITEMTEMPLATE>
&g.+V/<[ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
L. EiO({W </EDITITEMTEMPLATE>
=9z[[dQ|L </ASP:TEMPLATECOLUMN>
e#Z$o($t ( @3\`\X 后台代码
mdq;R*` protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
r; xLP {
kH4Ai3#g //改变列的选定,实现全选或全不选。
E/09hD Q CheckBox chkExport ;
|R56ho5C if( CheckAll.Checked)
)E,\H@A {
Rhe Re foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@~#Ym1{W {
ooV3gj4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
rN%F)
q# chkExport.Checked = true;
7hi"6, }
aS pWsT }
+=mkCU else
Y;e,Gq` {
sz)oZPu| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
']>Mp#j {
E6,4RuCK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Z0*ljT5| chkExport.Checked = false;
<6fv1d+v }
* 0|IXGr }
L}FOjrN }
Q^q1ns;r ~",`,ZXQy 17.数字格式化
:{ur{m5bX 8Y_ol#\L 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Vg>( Y, <%#Container.DataItem("price","{0:¥#,##0.00}")%>
U
R%4@ i-'9AYyw int i=123456;
:OkT? (i string s=i.ToString("###,###.00");
j8n4fv-)f v$7EvFS 18.日期格式化
LK;k'IJ ]b= P= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
wo3wtx ylB7* >[ 显示为: 2004-8-11 19:44:28
Qhw^S* r} P<iX 我只想要:2004-8-11 】
+]|Z%;im <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
:Pg}Zz < n f.wCtf]. 应该如何改?
PZm:T+5H PNA\ TXT 【格式化日期】
\T\b NbPn 2{Chu85 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
IZm(`b;t^ ^m/oDB- 【日期的验证表达式】
>(<ytn t= Hsihytdj A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
!j\" w p ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
:gB[O>'<m !TP@-
X; B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
yY&3p1AxW] ^\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]))$
R-RDT9&< :mS# h@l 【大小写转换】
d~?X/sJ t HttpUtility.HtmlEncode(string);
(s1k$@d HttpUtility.HtmlDecode(string)
Z{
u a=0 t2V0lyeL 19.如何设定全局变量
`$~RxzZ g Fk6x<^Q<w Global.asax中
8UMFq *5wu
Application_Start()事件中
uu/+.9 d @*GUmJ 添加Application[属性名] = xxx;
[F*4EGB [ G
e=kFB 就是你的全局变量
-PnyZ2'Z Wfz\`y 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
gxT4PQDy $&=p+ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
yR~R: LT~YFS 【ASPNETMENU】点击菜单项弹出新窗口
qU,c~C=Qf =L5GhA~ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
`g_"GE <?xml version="1.0" encoding="GB2312"?>
2o9$4{}rG <MenuData ImagesBaseURL="images/">
&I({T`= <MenuGroup>
Rm5Kkzd0o <MenuItem Label="内参信息" URL="Infomation.aspx" >
"iM~Hy <MenuGroup ID="BBC">
(Si=m;g <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
P1U*g! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
`s]4AKBO ......
`Bw9O%]-S enTW0U} 最好将你的aspnetmenu升级到1.2版
5PIZh< ]u-02g 21.读取DataGrid控件TextBox值
z**hD2R! foreach(DataGrid dgi in yourDataGrid.Items)
0vGyI> {
;oxAe<VIj TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
^Q{Bq tb.Text....
H3H_u4_?SE }
/R
LI,.% NJ MJ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
X]y)ZF26 Dl&GJ`&:p 〖思归〗
<X_!x_x <asp:TemplateColumn HeaderText="数量">
;+I/ I9~ <ItemTemplate>
: 5U"XY x@ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
]}mxY
vu_i onkeyup="javascript:DoCal()"
id?#TqD />
c DrebU 2T)sXB u <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
6QNs\Ucb+ </ItemTemplate>
!'f3>W\
</asp:TemplateColumn>
/:\3 \{?0m P(SZ68 <asp:TemplateColumn HeaderText="单价">
"{E qhR~ <ItemTemplate>
vZ#!uU^a: <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
f7hXQ|$ onkeyup="javascript:DoCal()"
3p*-tBOO />
gFPi7 o1 =pIy <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
hKlZi!4J ` r']^
, </ItemTemplate>
Ao7 `G': </asp:TemplateColumn>
aVe/
gE GOSI3RRn <asp:TemplateColumn HeaderText="金额">
)ZejQ}$ <ItemTemplate>
;50_0Mv;(: <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
.5Q:Xp </ItemTemplate>
l+wc'=] </asp:TemplateColumn><script language="javascript">
8z<r.joxC function DoCal()
DXQi-+? {
%gcc
y| var e = event.srcElement;
S*"u/b; var row = e.parentNode.parentNode;
-Z^4L var txts = row.all.tags("INPUT");
tJ=di5& if (!txts.length || txts.length < 3)
*]x*B@RF return;
O {k:yVb 3,);0@I var q = txts[txts.length-3].value;
:&J8.G^ var p = txts[txts.length-2].value;
*o' 4,+=am S^cH}-+ if (isNaN(q) || isNaN(p))
P|^$kK return;
3^.8.q(6 WjM>kWv q = parseInt(q);
]v5-~E! p = parseFloat(p);
DI&MC9j( {$^SP7qV#> txts[txts.length-1].value = (q * p).toFixed(2);
)9P&= }
);
6,H.v </script>
hN(L@0) 3AlqBXE"Z< `ycU-m== 1.R
kIB mjEs5XCC" 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。
135vZ:S page_load
.yVnw^gu page.smartNavigation=true
<]8^J}8T{D &.*uc|{ 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 ?
4w{-'M.B private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
M^H90GN)X {
#@Ujx_F for(int i=0;i<e.Item.Cells.Count-1;i++)
7nz!0I^ if(e.Item.ItemType==ListItemType.EditType)
HR3_@^<7 {
'@:[axu e.Item.Cells.Attributes.Add("Width", "80px")
*`KrVu 6s }
e`sw*m5 }
JCQ:+eqt y3yvZD 26.对话框
`)[dVfxA private static string ScriptBegin = "<script language=\"JavaScript\">";
M^ 5e~y private static string ScriptEnd = "</script>";
u3Do~RyL[ s#lto0b"8 public static void ConfirmMessageBox(string PageTarget,string Content)
cw+g
z!! {
>%c*Xe string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
<F=Dj*] ck$2Ue2`@w ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
feCqbWq: 8D2yR#3 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
2cjEex:& ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+a]j[# //Response.Write(strScript);
Z}[xQ5 }
/p$=Cg[K @*_ZoO7{ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
8ath45G @ ih!~G5Xi9i 1.1 取当前年月日时分秒
1#D<ZN currentTime=System.DateTime.Now;
QV/";A3k d +xA: 1.2 取当前年
PEy/k. int 年= DateTime.Now.Year;
1CiA 8 S$K}v,8.sr 1.3 取当前月
.b _? -Fv int 月= DateTime.Now.Month;
&A"e,h(^ !
o^Ic`FhS 1.4 取当前日
\ 522,n` int 日= DateTime.Now.Day;
va>"#;37 <~O}6HQ# 1.5 取当前时
)]A9~H int 时= DateTime.Now.Hour;
\[k%)_ leIy|K>\m 1.6 取当前分
k<, u0 int 分= DateTime.Now.Minute;
&GU@8 /p}{#DLB 1.7 取当前秒
*]'qLL7d int 秒= DateTime.Now.Second;
hpjUkGm5 b=_{/F*b? 1.8 取当前毫秒
|1i]L @& int 毫秒= DateTime.Now.Millisecond;
-? Tz.y& }\4p3RQrz 28.自定义分页代码:
@% H8"A =Pj@g/25u 先定义变量 :
wlL8X7+: public static int pageCount; //总页面数
'&)D>@g public static int curPageIndex=1; //当前页面
Y.9~Bo<<r \KNdZC?V2 下一页:
2x6<8J8v* if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
jjX%$Hr {
(tpof
5a DataGrid1.CurrentPageIndex += 1;
_lNC<7+#h curPageIndex+=1;
T|!D>l' }
<g*.p@o /4^G34 bind(); // DataGrid1数据绑定函数
;n`
$+g:> pY,O_
t$ 上一页:
?-d
Ain1w if(DataGrid1.CurrentPageIndex >0)
QQT G9s {
fPOEVmj< DataGrid1.CurrentPageIndex += 1;
ZXh~79 curPageIndex-=1;
A<2I! }
0FTRm2( Y=3X9%v9g bind(); // DataGrid1数据绑定函数
ckAsGF_B~! QP+c?ct}hF 直接页面跳转:
'xsbm^n6a& int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
.B6`OX&k 'qdg:_L" if(a<DataGrid1.PageCount)
|GuKU! {
,7t3>9-M" this.DataGrid1.CurrentPageIndex=a;
;FcExg|k }
db<q-u P&,hiGTDi bind();
{zY`h6d R04.K! 29.DataGrid使用:
xcw%RUC- Zo'/^S 添加删除确认:
NoJUx['6 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Fgskb"k/ {
&3WkH W foreach(DataGridItem di in this.DataGrid1.Items)
2ve
lH; {
mMV2h|W if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
O<4Q$|=&? {
N?\bBt@ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^WmGo]<B_ }
qbEKp HnB }
C2CYIok$& }
sKe, Tt{U"EFO 样式交替:
G(:s-x ig6 ListItemType itemType = e.Item.ItemType;
U~oBNsU" z Z@L4ZT if (itemType == ListItemType.Item )
xOwNCh {
T"n>h e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
d&NCFx e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?@3#c }
/&*m1EN#o else if( itemType == ListItemType.AlternatingItem)
i/5y^
{
g@<sU0B e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
wEBtre7 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zt-'SY }
+8Of-ZUx m5X3{[a: 添加一个编号列:
l#X=]xQf DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
L@>^_p$ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
aUKh})B UedvA9$&; for(int i=0;i<dt.Rows.Count;i++)
/!^L69um {
o9_(DJ<{ dt.Rows["number"]=(i+1).ToString();
_Wm(/ +G_| }
N8,EI^W8Z 's$A+8;L DataGrid1.DataSource=dt;
NE$VeW+@ DataGrid1.DataBind();
#=`FM:WH }l,T~Pjb DataGrid1中添加一个CheckBox,页面中添加一个全选框
}5fU7&jA;3 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0|.7Kz^ {
C<r(-qO{5 foreach(DataGridItem thisitem in DataGrid1.Items)
=@Q#dDnFu% {
,Adus M ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
]jHgo](% }
,:v.L}+Z }
&?KPu?9 4C l,Iw/; 将当前页面中DataGrid1显示的数据全部删除
o}WB(WsG foreach(DataGridItem thisitem in DataGrid1.Items)
I(z>)S'7r {
9=Y,["br$_ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
^t\kLU {
\?bwm&6+r string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
(! xg$Kz@ Del (strloginid); //删除函数
)$ ofl%+ }
aEcktg6h }
i!CKA}", &_<VZS 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)
OT-n\sL$ 2>!_B\%) H 在Application_Start中添加以下代码:
#g@ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
4(` 2# AppSettings["ConnStr"].ToString();
P]!LN\[ ~bQFk?ZN+ 31. 变量.ToString()
skk-.9 )m|X;eEo 字符型转换 转为字符串
xDPQG`6 12345.ToString("n"); //生成 12,345.00
kV*y_5g 12345.ToString("C"); //生成 ¥12,345.00
u}JQTro 12345.ToString("e"); //生成 1.234500e+004
mr:kn0 12345.ToString("f4"); //生成 12345.0000
^/_\etV 12345.ToString("x"); //生成 3039 (16进制)
xB?S#5G} 12345.ToString("p"); //生成 1,234,500.00%
JIyBhFI :NwMb^> 32、变量.Substring(参数1,参数2);
)z]q"s5 Y :N^@a- 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);
Jo6~r- ]I{qp~^#n 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)
n.2E8m/ <SCRIPT language="javascript">
Ov$N" <!--
B6tcKh9d, function gook(pws)
S[W9G)KWp {
.\z|Fr frm.submit();
^ 4u3Q }
m&Y;/kr //-->
8CHb~m@^$ .nj?;). </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Rz<d%C;R <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
u~/M
<tr>
!A'`uf4u <td>
zCK y`u. <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
|1dEs,z\ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
g5kYyE <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
OmT Z-*N w\"n!^ms <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
eh({K;> <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
]C}u-B746 HI"!n$p </td>
2x<Qt2" |QAeQWP+1 </tr>
,z?<7F1q= 2a._?(k_y </form>
jMz1s%C \3n{w
文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
m
wRLzN ,xtKPA 下面是获取用户输入的登陆信息的代码:
!wLH&X$XT string name;
'(3Nopl name=Request.QueryString["EmailName"];
EzD
-1sJ >gX0Ij#G try
nZ`2Z7! {
[a>JG8[,t int a=name.IndexOf("@",0,name.Length);
}}sRTW f_user.Value=name.Substring(0,a);
!7IT~pO` f_domain.Value=name.Substring(a+1,name.Length-(a+1));
}5o~R~H f_pass.Value=Request.QueryString["Psw"];
U:mq7Rd8 }
PBxK>a Q.pEUDq/ catch
b*'=W"%\ {
!LHzY( Script.Alert("错误的邮箱!");
zCBtD_@ Server.Transfer("index.aspx");
:f?,]|]+- }