1. 打开新的窗口并传送参数:
_=r6=. @ 6\I~s( 传送参数:
PJ')R:e, response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
|*Yr<zt H.P_]3f 接收参数:
a"1t-x string a = Request.QueryString("id");
#&+{mCjs string b = Request.QueryString("id1");
T}Tp$.gB 3=#<X-); 2.为按钮添加对话框
E#RDqL*J Button1.Attributes.Add("onclick","return confirm(’确认?’)");
xH4m| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
xa'*P=<)C' q~Hn-5H4Q 3.删除表格选定记录
Xxj-
6i int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Mc
lkEfn string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
]2A^1Del ;7*[Bcj. 4.删除表格记录警告
+ /G2fhE private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
{L971W_L {
2YL?,uLS switch(e.Item.ItemType)
U)TUOwF {
299H$$WS,Z case ListItemType.Item :
g@Z))M+ case ListItemType.AlternatingItem :
b1q"!+8y case ListItemType.EditItem:
j8i[ONq^ TableCell myTableCell;
>IafUy myTableCell = e.Item.Cells[14];
te`$%NRl LinkButton myDeleteButton ;
|T /ZL! myDeleteButton = (LinkButton)myTableCell.Controls[0];
sFKX-S~: myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
AOZP*\k break;
Y;eZ9|Ht9 default:
[|wZ77\ break;
sfH_5
#w }
5&g@3j] Oamg]ST }
]OhiYU4 $QF{iV@6d4 5.点击表格行链接另一页
f^ZRT@`O private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>~rTqtKd {
O^PKn_OJ //点击表格打开
FgnTGY} if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
t^-d/yKt0w e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
R+:yVi[F]U }
OF>mF~ 2>9C-VL2 双击表格连接到另一页
1.JK33 ZgJQ?S$D 在itemDataBind事件中
L&8~f] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
jwe *(k]z {
lgAoJ[ string OrderItemID =e.item.cells[1].Text;
5<k"K^0QS ...
~\SGb_2 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
OnziG+ak }
$p8xEcQdU# T~?Ff|qFC 双击表格打开新一页
X #dmo/L8 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:k]1Lm|| {
v~+(GqR=+ string OrderItemID =e.item.cells[1].Text;
g'f@H-KCD ...
tIi&;tw] e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
dbLZc$vPj }
Z#jZRNU%ox pQ" >UL* ★特别注意:【?id=】 处不能为 【?id =】
iU918!!N 6.表格超连接列传递参数
LP^$AAy <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
H'5)UX@LP <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
uC vj! "!P3R1;% 7.表格点击改变颜色
%`r$g[<G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
5pG}Yk_(x {
tFn)aa~L e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+ 480 l} this.style.color=’buttontext’;this.style.cursor=’default’;");
, pfG }
)m+W
j F;EwQjTF 写在DataGrid的_ItemDataBound里
P:S .~Jq if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
uc{Ihw {
/N+dQe e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
GVr1`l this.style.color=’buttontext’;this.style.cursor=’default’;");
TqQB@-! e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
/HEw-M9z }
j;Gtu 7WqH&vU| g =hg%gRy" 8.关于日期格式
Paq4 2qNt,;DQ 日期格式设定
@;4zrzQi7 DataFormatString="{0:yyyy-MM-dd}"
<}Vrl`?h 7+cO_3AB 我觉得应该在itembound事件中
C&f=
ywi0 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
l30EKoul) Wi<m{.%\E 9.获取错误信息并到指定页面
@{e}4s?7od ]q[D>6_ 不要使用Response.Redirect,而应该使用Server.Transfer
l'1pw ~/U1xk% e.g
[aLI
' // in global.asax
@bLy,Xr& protected void Application_Error(Object sender, EventArgs e) {
B@))8.h] if (Server.GetLastError() is HttpUnhandledException)
t+
TdLDJR Server.Transfer("MyErrorPage.aspx");
0> E r=,e bWS&Yk( //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
J{<X7uB }
CxmKz78 ~P
qM]^ 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
E=Bf1/c\ RC"MdcD:]y 10.清空Cookie
B mb0cFQ Cookie.Expires=[DateTime];
"{xrL4BtC Response.Cookies("UserName").Expires = 0
m7V/zne w.o@7|B1N 11.自定义异常处理
I][*j //自定义异常处理类
Lb-OsKU using System;
]5cT cX;Z# using System.Diagnostics;
G4;Oi= {TROoX~H? namespace MyAppException
$wa{~' {
E&w7GZNt /// <summary>
nFCC St$ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
BOX2O.Pm /// 自动将异常内容记录到Windows NT/2000的应用程序日志
G.B2(' /// </summary>
}>|s=uGW public class AppException:System.ApplicationException
/maJtX' {
W@IQ^
}E public AppException()
,qwuLBW {
MN>b7O \.? if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
9=tIz }
q<<v,ihh @
q3k%$4 public AppException(string message)
+`0k Fbx {
M3y NAN LogEvent(message);
wHLLu~m\ }
q
i;1L
Kc XT*sGM public AppException(string message,Exception innerException)
v1JzP# {
~ Iuf}D; LogEvent(message);
djZqc5t if (innerException != null)
S hWJ72c {
29b9`NXt LogEvent(innerException.Message);
e9tjw[+A }
qR{=pR }
cjY-y-vO 6MW{,N //日志记录类
,`Z1m
o>n using System;
gH vZVC[b using System.Configuration;
]EAO+x9 using System.Diagnostics;
i]4I [! using System.IO;
n@i HFBb using System.Text;
WwFm*4{[o using System.Threading;
r6qj7}\ z<;HQX, namespace MyEventLog
Or+U@vAnk {
Fm 2AEs\ /// <summary>
+sA2WK] /// 事件日志记录类,提供事件日志记录支持
|df Pki{ /// <remarks>
5qm`J,~k /// 定义了4个日志记录方法 (error, warning, info, trace)
:Yl-w-oe /// </remarks>
b%`1cV /// </summary>
;'K5J9k public class ApplicationLog
w&#]-|$ {
&z3o7rif$ /// <summary>
0d&6lqTo /// 将错误信息记录到Win2000/NT事件日志中
NI]N4[8( /// <param name="message">需要记录的文本信息</param>
SfyQ$$Z /// </summary>
Y.UFbrv public static void WriteError(String message)
'H!Uh]! {
R n[cW5Y< WriteLog(TraceLevel.Error, message);
am'7uy!ka~ }
kzLsoZ!I X_h}J=33Q /// <summary>
cT,sh~-x, /// 将警告信息记录到Win2000/NT事件日志中
bE. .P&" /// <param name="message">需要记录的文本信息</param>
4$<JHo
@. /// </summary>
cq]6XK-W public static void WriteWarning(String message)
~
7s!VR {
q9_OGd|P WriteLog(TraceLevel.Warning, message);
"8MF_Gu): }
o.!Dq7R M }D}K\) /// <summary>
2ilQXy /// 将提示信息记录到Win2000/NT事件日志中
vE?G7%, /// <param name="message">需要记录的文本信息</param>
HV|,}Wks6s /// </summary>
r19
pZAc public static void WriteInfo(String message)
X"Swi&4 {
+\9NDfYIA WriteLog(TraceLevel.Info, message);
NLqzi%s }
a=2%4Wmz /// <summary>
CdQ!GS<'y /// 将跟踪信息记录到Win2000/NT事件日志中
t{96p77)= /// <param name="message">需要记录的文本信息</param>
i.m^/0! /// </summary>
6&x@.1('z public static void WriteTrace(String message)
7:1Lol-V {
QWYJ* WriteLog(TraceLevel.Verbose, message);
m_]Y{3C
}
Xv^qVn4 i/4>2y9/F4 /// <summary>
}7Q% 6&IR /// 格式化记录到事件日志的文本信息格式
ga +dt /// <param name="ex">需要格式化的异常对象</param>
ux4POO3C| /// <param name="catchInfo">异常信息标题字符串.</param>
i_%_ x* /// <retvalue>
!|(NgzDP/ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
N6:`/f+A>T /// </retvalue>
1+s;FJ2} /// </summary>
sgFEK[w.y public static String FormatException(Exception ex, String catchInfo)
k,*XG$2h {
*2l7f`K StringBuilder strBuilder = new StringBuilder();
0 H:X3y+ if (catchInfo != String.Empty)
WsB ?C&>x {
7[)E>XRE strBuilder.Append(catchInfo).Append("\r\n");
4WB0Pt{ }
ktIFI`@w) strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
U K!(G return strBuilder.ToString();
!Uo4,g6r+ }
$UwCMPs X ]f_p8?j" /// <summary>
bt?5*ETA /// 实际事件日志写入方法
~xFkU# /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
QXK{bxwC /// <param name="messageText">要记录的文本.</param>
W=?<<dVYD /// </summary>
?J0y| private static void WriteLog(TraceLevel level, String messageText)
Bzf^ivT3L {
I?CZQ+}Hq try
i
ct]) {
H5|;{q:j EventLogEntryType LogEntryType;
6=C<>c%+ switch (level)
tw@X>
G1z {
PJ#,2=n~ case TraceLevel.Error:
~n_HP_Kf? LogEntryType = EventLogEntryType.Error;
He@KV= break;
>t+P(*u case TraceLevel.Warning:
nw<uyaU-t LogEntryType = EventLogEntryType.Warning;
[a(#1 break;
xmoxZW: case TraceLevel.Info:
:3 mh@[V LogEntryType = EventLogEntryType.Information;
+}AI@+
break;
"AqB$^S9t case TraceLevel.Verbose:
8oGRLYU N LogEntryType = EventLogEntryType.SuccessAudit;
2 %]X+`+O break;
AbM'3Mkz default:
vY3h3o LogEntryType = EventLogEntryType.SuccessAudit;
A#,ZUOPGH break;
fz_r7? }
%]i15;{X xE}>,O|'q EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8ao _i=&x //写入事件日志
UiNP3TJ'L eventLog.WriteEntry(messageText, LogEntryType);
*T1_;4i {!`6zBsP }
uxz^/Gk catch {} //忽略任何异常
Y]a@j! }
%C]>9." } //class ApplicationLog
Fr-SvsNFB }
7tp36 TE l[J8!u2Xp 12.Panel 横向滚动,纵向自动扩展
|s_GlJV. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ALHIGJW:6$ 8P`"M#fI 13.回车转换成Tab
e3\T)x&= <script language="javascript" for="document" event="onkeydown">
!,PWb3S if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
k5)om;.w event.keyCode=9;
`]aeI'[}R </script>
rm_Nn8p, @4#vm@Yf_ onkeydown="if(event.keyCode==13) event.keyCode=9"
7zc^!LrW< D%Z| 14.DataGrid超级连接列
iy"*5<;*DD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
?JUeuNs9 O6Y0XL 15.DataGrid行随鼠标变色
j<$2hiI/?& private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
l,).p {
G~m<; if (e.Item.ItemType!=ListItemType.Header)
;*J {
xSu > e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
,r}6iFu e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,,r>,Xq6 }
~LC-[&$ }
4p wH>1 73-p*o(pt 16.模板列
FI.\%x <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
X>^fEQq" <ITEMTEMPLATE>
"N#Y gSr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
8Fub<UhJ </ITEMTEMPLATE>
Y/oHu@
_ </ASP:TEMPLATECOLUMN>
+C)~bb* /wv0i3_e
<ASP:TEMPLATECOLUMN headertext="选中">
<3
uNl <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
~#/ <ITEMTEMPLATE>
Dp:BU|r <ASP:CHECKBOX id="chkExport" runat="server" />
vQ.R{!",> </ITEMTEMPLATE>
EM_d8o)`B <EDITITEMTEMPLATE>
gM]:Ma <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Y-9I3?ar </EDITITEMTEMPLATE>
&5;"#:ORcK </ASP:TEMPLATECOLUMN>
xD 7]C|8o +T+#q@ 后台代码
OTv) protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\7_y%HR {
{RPI]DcO/ //改变列的选定,实现全选或全不选。
V[V[~;Py CheckBox chkExport ;
{..6>fS if( CheckAll.Checked)
Ul# r {
N>E_%]C h foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
n+p }\msH {
&&%H%9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
H/Jbk*Q chkExport.Checked = true;
FTldR;}( }
%2h>-.tY }
8XaQAy%d] else
8CE = 4 {
iRBfx foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
+,l-Nz {
(At$3b6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@+DX.9 chkExport.Checked = false;
^^Vg~){4 }
d_CT$ }
MOC/KNb }
YZ7.1`8 =lSNs 17.数字格式化
r|Z{-*` w(F%^o\ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0}9h]X' <%#Container.DataItem("price","{0:¥#,##0.00}")%>
sq]F;=[5 !~Z"9(v'C int i=123456;
,//S`j$S string s=i.ToString("###,###.00");
8EY:tzw (%9$! v{3 18.日期格式化
0 {mex4 Zd&S@Z 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
('~LMu_ &Qm@9I s 显示为: 2004-8-11 19:44:28
|uDdHX8T 8k79&| 我只想要:2004-8-11 】
:KO2| v\ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Va8&Z JS77M-Ac 应该如何改?
92{\B-
l ?ubro0F: 【格式化日期】
$d4n"+7 '>"
4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
^@]3R QB LQ% `c 【日期的验证表达式】
t<qiGDJ<d nFn5v'g A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
N g,j# ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
V.Mry`9- TC"<g B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
QW"! (`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]))$
Pz^544\~ou 4P0}+ 【大小写转换】
@ P|y{e6 HttpUtility.HtmlEncode(string);
x"gVq
~ HttpUtility.HtmlDecode(string)
xC?h2hIt iQ{VY
^
0 19.如何设定全局变量
n`KY9[0U= SAz Global.asax中
OJxl<Q=z }\LQ3y"[ Application_Start()事件中
8i pez/ $8FUfJ1@ 添加Application[属性名] = xxx;
n:X y6H = /8cp 就是你的全局变量
3a|\dav% T;#FEzBz 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Wjc'*QCPl e# bn# HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
g=rbPbu c%&>p|| 【ASPNETMENU】点击菜单项弹出新窗口
IK]d3owA y}H!c; 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\Cj B1]I <?xml version="1.0" encoding="GB2312"?>
7d vnupLh <MenuData ImagesBaseURL="images/">
`x|?&Ytmf9 <MenuGroup>
p#Bi>/C6 <MenuItem Label="内参信息" URL="Infomation.aspx" >
(#'>(t(4 <MenuGroup ID="BBC">
@@%ataUSBT <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
q*KAk{kR(v <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
16 $B> ......
;nGa.= "L 'Vbi VLWD 最好将你的aspnetmenu升级到1.2版
ME dWLFf UI#h&j5pW 21.读取DataGrid控件TextBox值
W4N{S.#! foreach(DataGrid dgi in yourDataGrid.Items)
F5Va+z,jg {
+q oRP2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
b]y2+A.n tb.Text....
_g.{MTQ }
f5r0\7y0 @.C2LIb 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
% `3jL7| .u:GjL'$ 〖思归〗
a
=QCp4^ <asp:TemplateColumn HeaderText="数量">
#*}+J3/ <ItemTemplate>
"}!G!k: <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
#`IN`m|
onkeyup="javascript:DoCal()"
MJvp6n />
oQ# 8nu{k m2o0y++TjW <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
]tD]Wx% </ItemTemplate>
v1[29t<I! </asp:TemplateColumn>
XRH!]! Uv.)?YeGh <asp:TemplateColumn HeaderText="单价">
40/Y\ <ItemTemplate>
%LV9=!w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
..qCPlK; onkeyup="javascript:DoCal()"
HhpDR />
68
sB)R ;fJ.8C <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
TN.rrop`#g /\Ef%@ </ItemTemplate>
9UkBwS` </asp:TemplateColumn>
}}[2SH'nH ~V-XEQA <asp:TemplateColumn HeaderText="金额">
,'+kBZOv <ItemTemplate>
+H.`MZ= <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
FtZ?C@1/ </ItemTemplate>
>bxS3FCX </asp:TemplateColumn><script language="javascript">
YN,A)w:] function DoCal()
k\IbIv7?i {
[~
fraK,) var e = event.srcElement;
R@0R`Zs var row = e.parentNode.parentNode;
p[-O( 3Y var txts = row.all.tags("INPUT");
G"6 !{4g if (!txts.length || txts.length < 3)
O}P`P'Y|' return;
OPi0~s $Y;RKe9 var q = txts[txts.length-3].value;
+%&yJ4- var p = txts[txts.length-2].value;
G3 m Z($y P3%5?.S if (isNaN(q) || isNaN(p))
Kgv T"s. return;
%;/P&d/ ?(PKeq6 q = parseInt(q);
g\U-VZ6;p p = parseFloat(p);
-12U4h<e a}d@
T txts[txts.length-1].value = (q * p).toFixed(2);
d1*<Ll9K }
ebq4g387X </script>
;*N5Y}?j' ),)lzN%! !W\+#ez 7
&\yj9 cR{#V1Z 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。
~?dI*BZ)] page_load
v^iAD2X/F page.smartNavigation=true
: +u]S2u{ &L:!VL{I 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 ?
GVz6-T~\> private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
FlQGgVN {
>usL*b0% for(int i=0;i<e.Item.Cells.Count-1;i++)
E@\e$?*X if(e.Item.ItemType==ListItemType.EditType)
LscGTs, {
GB^B r6 e.Item.Cells.Attributes.Add("Width", "80px")
9$Y=orpWxr }
fOHxtHM }
/efUjkP Z,=1buSz_ 26.对话框
k!^{eOM private static string ScriptBegin = "<script language=\"JavaScript\">";
K@2),(z private static string ScriptEnd = "</script>";
Fcx&hj1gQ }qUX=s
GG public static void ConfirmMessageBox(string PageTarget,string Content)
NRuNKl.v {
Fu~j8K string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
0"R|..l/ #G3<7PK ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
|:o4w Pfh mo $ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
@ZJS&23E ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
YR70BOxK //Response.Write(strScript);
Smh,zCc>s }
vI?, 47Hj+ 7^Uv7<pw 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
SJLis"8 >!JS:5| 1.1 取当前年月日时分秒
3%6?g* currentTime=System.DateTime.Now;
zCA2X
!7F _g8yDfcLG 1.2 取当前年
^Pf WG* int 年= DateTime.Now.Year;
y7{?Ip4[ AX INThJ 1.3 取当前月
]|@^1we int 月= DateTime.Now.Month;
JJnH%Q +_!QSU,@ 1.4 取当前日
\wZe] G%S int 日= DateTime.Now.Day;
bD^owa 3q.q
YX 1.5 取当前时
RCrCs int 时= DateTime.Now.Hour;
;a/E42eN; !Cs_F&l"j 1.6 取当前分
f<_Cq<q" int 分= DateTime.Now.Minute;
]GS bjHsO UG^q9 :t 1.7 取当前秒
mDWG7 Asp int 秒= DateTime.Now.Second;
i%/+5gq x;S @bY 1.8 取当前毫秒
S/ *E,))m int 毫秒= DateTime.Now.Millisecond;
=I<R! ZSN aXVFc5C\ 28.自定义分页代码:
Qrv<lE1V; t1".0 先定义变量 :
baasGa3}s public static int pageCount; //总页面数
VVZ'i.*_3? public static int curPageIndex=1; //当前页面
hgmCRC W^Yxny 下一页:
(Z*!#}z` if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
.`lCWeHN {
!i50QA|(G DataGrid1.CurrentPageIndex += 1;
gi8FHSU|G curPageIndex+=1;
wY#E?, }
R-:2HRaA ?[AD=rUC bind(); // DataGrid1数据绑定函数
0sqFF[i >z03{=sAN 上一页:
^~dWU> if(DataGrid1.CurrentPageIndex >0)
]d]]'Hk {
dM5-; DataGrid1.CurrentPageIndex += 1;
,}PgOJZ curPageIndex-=1;
a#4?cEy }
bOB\--:] _#niyW+?~ bind(); // DataGrid1数据绑定函数
do%&m]#; IPk4
;, 直接页面跳转:
\RiP
int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
_-D{-Bu# uZ5p#M_ if(a<DataGrid1.PageCount)
+z( Lr=G {
eDMO]5}Ht this.DataGrid1.CurrentPageIndex=a;
]lbuy7xj63 }
M{@(G5 =(Mch~
bind();
-~0^P,yQ hrn+UL:d 29.DataGrid使用:
P?\6@_ Z @- xjfC\d 添加删除确认:
]'}L 1r private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QY/w {
d~H`CrQE* foreach(DataGridItem di in this.DataGrid1.Items)
?}0 ,o. {
|N2#ItBbW if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Za9qjBH
{
tYS06P^< ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
;'|Ey }
l;Wj] }
'NmRR]Q9 }
~ a: vQCy\Gi 样式交替:
}j%5t ~Qa ListItemType itemType = e.Item.ItemType;
XZ7Lk)IR " x-j~u? if (itemType == ListItemType.Item )
TDh5lI
{
N['.BN e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
tA;}h7/Lc~ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8=l%5r^cq }
kj_c%T
]/ else if( itemType == ListItemType.AlternatingItem)
,prf;|e? {
XTyxr e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Ytkv!]" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
k:;r2f }
\dVOwr v+XJ*N[W 添加一个编号列:
(HVGlw'` DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
X8|, DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
DVA:Cmh\ :>
'+"M2r for(int i=0;i<dt.Rows.Count;i++)
;I}fBZ3
{
t0S1QC+ dt.Rows["number"]=(i+1).ToString();
Cye.gsCT }
z_HdISy0 ]G\}k DataGrid1.DataSource=dt;
AH^/V}9H DataGrid1.DataBind();
I,tud!p` {FkF DataGrid1中添加一个CheckBox,页面中添加一个全选框
&Jj<h: * private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@dKTx#gZ {
7I}uZ/N foreach(DataGridItem thisitem in DataGrid1.Items)
Y]>t[Lo% {
hb$Ce'}N ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
7dWS }
qPNR`%}Q }
R_C) R&&4y 7 将当前页面中DataGrid1显示的数据全部删除
A^g(k5M* foreach(DataGridItem thisitem in DataGrid1.Items)
Nb\4 /;# {
&~CI<\o P if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
];m_4 {
LV Ge]lD string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Xvu(vA Del (strloginid); //删除函数
tw;}jh }
1Mzmg[L8 }
[JiH\+XLPs f|5co>Hk 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)
7.Op< <E~'.p, 在Application_Start中添加以下代码:
X'srL j. Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$FV NCFN% AppSettings["ConnStr"].ToString();
]^E?;1$f? la!~\wpa 31. 变量.ToString()
dPlV>IM$z ~ljXzD93Z 字符型转换 转为字符串
-n
1v3 12345.ToString("n"); //生成 12,345.00
P:c w|Q 12345.ToString("C"); //生成 ¥12,345.00
M3\AY30L 12345.ToString("e"); //生成 1.234500e+004
79gT+~z 12345.ToString("f4"); //生成 12345.0000
N8jIMb'< 12345.ToString("x"); //生成 3039 (16进制)
<~)P7~$d?p 12345.ToString("p"); //生成 1,234,500.00%
k[xSbs'D HPl<%%TI 32、变量.Substring(参数1,参数2);
[n@]
r2g)3 u`W2+S 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);
SUiOJ[5, ftb\0,- 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)
j#|ZP-=1_ <SCRIPT language="javascript">
-@'FW*b <!--
Lbgi7|& function gook(pws)
.v
K-LHs {
p K*TE5] frm.submit();
}bxs]?OW> }
c 9Mz]1@f //-->
7Q 3 k7 Txu/{M, </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ch]IzdD <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
M`_0C38
<tr>
2y4bwi <td>
V3Bz
Mw\9r <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
{}9a6.V;}
<input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
("KF'fp&M2 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
3o*YzwRt VY-EmbkG-t <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
cAw/I@jG <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
vx
=&QavL pglVR </ </td>
W/N7vAx X
a?1Wq </tr>
Qs!5<)6
".%k6W<n </form>
P55fL-vo|} kJU2C=m@e2 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。
vN $s|R'@ *CMx- _ 下面是获取用户输入的登陆信息的代码:
_c07}aQ ], string name;
}p
V:M{Nu& name=Request.QueryString["EmailName"];
637:
oT_`O , gHDx try
u*R_\*j@ {
*8q.YuZ int a=name.IndexOf("@",0,name.Length);
@EAbF>> f_user.Value=name.Substring(0,a);
=4!mAo} f_domain.Value=name.Substring(a+1,name.Length-(a+1));
3`HV(5U[ f_pass.Value=Request.QueryString["Psw"];
AA_%<zK }
y`Fw-!'o =1!
'QUc catch
nN;u,}e {
[QTV9 Script.Alert("错误的邮箱!");
Dq xs+ Server.Transfer("index.aspx");
CLSK'+l }