1. 打开新的窗口并传送参数:
-uIu-a] Kp'_lKW)]q 传送参数:
lRF04 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
]wMd!.lm- )gYsg 接收参数:
SpU+y|\[0 string a = Request.QueryString("id");
Wl/oun~o string b = Request.QueryString("id1");
?{NP3
"-88bF~ 2.为按钮添加对话框
I} m\(TS-" Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ly"u }e button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
eY)ugq>' pwtB{6)VH{ 3.删除表格选定记录
oDogM`T` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
{`2! 3= " string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\1cay#X :hr% 6K7 4.删除表格记录警告
dlmF?N|EC private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
% 4|* {
gHpA@jdC* switch(e.Item.ItemType)
v;AsV`g {
}:<`L\8q\ case ListItemType.Item :
4$#nciAe case ListItemType.AlternatingItem :
m-Q!V+XQp case ListItemType.EditItem:
i t.Lh'N;T TableCell myTableCell;
E #q
gt9 myTableCell = e.Item.Cells[14];
8[\F*H LinkButton myDeleteButton ;
B+[ri&6X\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
M!Q27wT8O myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|T\`wcP`q break;
r"sK@ default:
-c|dTZ8D)8 break;
AiKja>Fl< }
xl8=y ]rGZ }
M3P\1 yB0xa% 5.点击表格行链接另一页
: 8dQ8p; private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%Hx8%G! {
]CHO5'%,$ //点击表格打开
1BK!<}yI{ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s.7\?(Lg e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ecaEWIOG }
mo+zq~,M v|fA)Ww 双击表格连接到另一页
B3|h$aKC O{b<UP'85 在itemDataBind事件中
dO]N&'P7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R+{QZ'K.qg {
{w:*t)@j string OrderItemID =e.item.cells[1].Text;
U4)x "s[CP ...
B_R
J;.oH e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Sggha~E2s }
KZrg4TEVi a,mG5bQ! 双击表格打开新一页
g~EN3~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Q+@/.qJ {
[A~n=m5H string OrderItemID =e.item.cells[1].Text;
z ntvKOIh ...
m}Xb #NAF8 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
jB)RvvMU5 }
j11FEE<W sNB*S{ ★特别注意:【?id=】 处不能为 【?id =】
6d~[j<@2 6.表格超连接列传递参数
QA|87alh <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
TQ`s&8"P <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
UU\wP(f 4`E[WE:Q 7.表格点击改变颜色
t&|M@Ouet if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>-8r|};+ {
QIl=Ho"c e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
-c%#Hd this.style.color=’buttontext’;this.style.cursor=’default’;");
,~8&0p }
P:D@5 qZQB"Q.* 写在DataGrid的_ItemDataBound里
*^[m?3"W if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@yV.Yx"p_ {
Yr!@p Hy e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
)R
%>g-dw this.style.color=’buttontext’;this.style.cursor=’default’;");
B
]*v{?<W e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
T{WJf-pI }
L#h uTKX} JG^fu*K $-^
;Jl 8.关于日期格式
A-"2 sp*t VT ikLuH 日期格式设定
YQ? "~[mL DataFormatString="{0:yyyy-MM-dd}"
ycD.X" j(aok5:e 我觉得应该在itembound事件中
e^!>W %.7Z e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6&oaxAp<s <Wrn/%tL 9.获取错误信息并到指定页面
% 9Jx| >wSrllmj@ 不要使用Response.Redirect,而应该使用Server.Transfer
GZxPh&BM? GN1Q\8)o e.g
r4MPs-}oF // in global.asax
~ eNKu protected void Application_Error(Object sender, EventArgs e) {
Q*jNJ^IW if (Server.GetLastError() is HttpUnhandledException)
V2B@Lq"9` Server.Transfer("MyErrorPage.aspx");
kB#;s ~K$dQb]) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
3M^s
EaUI }
k2-+3zx $sILCn 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
k'6x_
G 8kdJ;%^N 10.清空Cookie
2^aXXPC Cookie.Expires=[DateTime];
4 H9mKR Response.Cookies("UserName").Expires = 0
i<\WRzVT a~*wZJ 11.自定义异常处理
.@KI,_X6, //自定义异常处理类
2I[(UMI$7 using System;
e^=b#!}-5: using System.Diagnostics;
=|+%^)E
m=[3"X3W1V namespace MyAppException
J;DTh ]z?: {
bVxbQ$ /// <summary>
!kW~s_gUb* /// 从系统异常类ApplicationException继承的应用程序异常处理类。
;$.^ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
F[q)ME+`) /// </summary>
N({0" 7 public class AppException:System.ApplicationException
*lo0T93B {
#i;y[dQ public AppException()
MSqW { {
U{,:-R if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
b?U2g?lN: }
[iXk v\ 61SbBJ6[ public AppException(string message)
=w;~1i%.k {
~J:qG9|]} LogEvent(message);
zhZ!!b^6< }
@@W-]SR SX)o0v+ public AppException(string message,Exception innerException)
b[U;P=;= {
B;64(Vsa8 LogEvent(message);
2}uSrA7n] if (innerException != null)
2rGg {
r91b]m3xL LogEvent(innerException.Message);
[gaB}aLn }
j&-<e7O= }
)NLjv=ql a7U`/* //日志记录类
bZ SaL^^( using System;
ugV/#v O using System.Configuration;
o}b_`O using System.Diagnostics;
#O1%k;BL using System.IO;
mS?W+jy% using System.Text;
9,jFQb(), using System.Threading;
^aI$97Li 45 B
|U namespace MyEventLog
itmFZZh {
>F5E^DY /// <summary>
2cQG2N2* /// 事件日志记录类,提供事件日志记录支持
,p' ;Xg6ez /// <remarks>
e3.q8r /// 定义了4个日志记录方法 (error, warning, info, trace)
M@]@1Q.p /// </remarks>
#z#`EBXV$6 /// </summary>
v"YaMbu public class ApplicationLog
.+A2\F.^ {
o?|
]ciY /// <summary>
GL-Pir /// 将错误信息记录到Win2000/NT事件日志中
s 9n_s=w /// <param name="message">需要记录的文本信息</param>
=3;~7bYO /// </summary>
$DeVXW public static void WriteError(String message)
v*JXrB&x {
X?aj0# Q WriteLog(TraceLevel.Error, message);
&HBC9Bx/( }
XK{K FB- e~ %=H 0n /// <summary>
@bIZ0tr4 /// 将警告信息记录到Win2000/NT事件日志中
3~EPX`#[W /// <param name="message">需要记录的文本信息</param>
ja&S^B^@ /// </summary>
\Lg{GN. public static void WriteWarning(String message)
c[+uwO~ {
|>/m{L[ WriteLog(TraceLevel.Warning, message);
%7A?gY81 }
[_-[S GK&R,q5} /// <summary>
R4%}IT^%P /// 将提示信息记录到Win2000/NT事件日志中
==npFjB /// <param name="message">需要记录的文本信息</param>
('6sW/F*ab /// </summary>
z7!@^!r public static void WriteInfo(String message)
UM}MK {
2O(= 2X WriteLog(TraceLevel.Info, message);
p5Wz.n.<' }
b *Ca*! /// <summary>
f{j`d&| /// 将跟踪信息记录到Win2000/NT事件日志中
]D<3yIGS /// <param name="message">需要记录的文本信息</param>
D+xPd< /// </summary>
}k0B public static void WriteTrace(String message)
bScW<DZJ- {
QV>hQ]L WriteLog(TraceLevel.Verbose, message);
XP(fWRT1 }
WelB"L bL2b^UB~% /// <summary>
TFO4jjiC" /// 格式化记录到事件日志的文本信息格式
!i8'gq'q /// <param name="ex">需要格式化的异常对象</param>
&?*H`5#?G /// <param name="catchInfo">异常信息标题字符串.</param>
i#I7ncX /// <retvalue>
ldWrv7.P /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
J\E?rT /// </retvalue>
'3]M1EP /// </summary>
k;f%OQsF_ public static String FormatException(Exception ex, String catchInfo)
'_l5Br73= {
~=t K17i StringBuilder strBuilder = new StringBuilder();
$Dm|ol.Z if (catchInfo != String.Empty)
h3Y|0-D {
{ewo-dva strBuilder.Append(catchInfo).Append("\r\n");
aa&\HDh * }
;4<!vVf e strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
,HwOMoP7 return strBuilder.ToString();
'8c-V aa }
ozkmZ; |3C5"R3ZGO /// <summary>
j/, I)Za /// 实际事件日志写入方法
h|N!U/(U /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
y eWB.M~X /// <param name="messageText">要记录的文本.</param>
zt2#6v /// </summary>
-'uz%2 { private static void WriteLog(TraceLevel level, String messageText)
cd.|> {
IN?rPdY try
ys9'1+9 {
n{=N f|= EventLogEntryType LogEntryType;
-d*je{c| switch (level)
<xh";seL {
zRFvWOxC\ case TraceLevel.Error:
-DWnDku8= LogEntryType = EventLogEntryType.Error;
zXGi break;
k3UKGP1 case TraceLevel.Warning:
%Krf,H LogEntryType = EventLogEntryType.Warning;
b G/[mZpRT break;
K?6#jT6# case TraceLevel.Info:
]O0:0Z\ LogEntryType = EventLogEntryType.Information;
)|B3TjHC break;
kqZ+e/o>O9 case TraceLevel.Verbose:
"]hQ\b\O LogEntryType = EventLogEntryType.SuccessAudit;
w">-r}HnJ break;
l~ZIv default:
{Z1^/Fv3 LogEntryType = EventLogEntryType.SuccessAudit;
fBnlB_}e break;
K2D,
*w }
~#|Pe1Y f5,!,]XO EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
sh;>6xB //写入事件日志
dPmNX-'7 eventLog.WriteEntry(messageText, LogEntryType);
%<h+_(\h j'q Iq;y }
7i88iT catch {} //忽略任何异常
6$
ag< }
;`
!j~ } //class ApplicationLog
;mSJZYnT }
L)3JTNiB u%AyW 12.Panel 横向滚动,纵向自动扩展
b2XUZ5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
,2]a<0m CDT3&N1'R 13.回车转换成Tab
en-HX3' <script language="javascript" for="document" event="onkeydown">
2py
[P if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
}\]J?I+ A event.keyCode=9;
KVp3pUO </script>
Iz9b5 z<,-:=BC" onkeydown="if(event.keyCode==13) event.keyCode=9"
Qw.j uolEX+ 14.DataGrid超级连接列
E\vW>g*W DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
/>dYk Iv UJk/Lxv 15.DataGrid行随鼠标变色
-P-&]F5 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-P We {
,7ZV;f81 if (e.Item.ItemType!=ListItemType.Header)
6HRr4NDcj {
@"L*! e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
o|nN0z)b4 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
NH;.!xq: }
:7)lg iM2 }
&nfGRb L[O.]2 16.模板列
Y *n[*N <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
+K7oyZg <ITEMTEMPLATE>
52q<|MW% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
D0LoT?$N </ITEMTEMPLATE>
?(>fB2^ </ASP:TEMPLATECOLUMN>
eY8rm >rid3~ <ASP:TEMPLATECOLUMN headertext="选中">
?VR:e7|tU <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
R3@luT] <ITEMTEMPLATE>
VTJxVYE <ASP:CHECKBOX id="chkExport" runat="server" />
l@`Do [ </ITEMTEMPLATE>
i]}`e>fF <EDITITEMTEMPLATE>
Hg2Rcl <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
i2 G.<(3O </EDITITEMTEMPLATE>
aW(Hn[}^ </ASP:TEMPLATECOLUMN>
G }U'?p <L+y
6B 后台代码
IRIYj(J protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
>6A8+= {
48RSuH //改变列的选定,实现全选或全不选。
rvp#[RAaS} CheckBox chkExport ;
[xH Hm5$ if( CheckAll.Checked)
I:edLg1T {
XY!0yAK(! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"RLv{D<)J, {
$n* wS, chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
10{zF_9yx chkExport.Checked = true;
)=%TIkeF }
##BfI`FJ }
Ih^ziDcW else
Q<T+t0G\O- {
Uq^-km#a foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
L'r gCOJ< {
UB,:won chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a}[ 1*_G chkExport.Checked = false;
!30BR|K* }
T[ltOQw?Y }
PAS0 D
# }
u_jhmKr~ .A
apO}{ 17.数字格式化
[(m+Ejzi% ][ 1
iKT 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
<CGABlZ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
zy'cf5k2 JXq l=/% int i=123456;
&sg~owz string s=i.ToString("###,###.00");
_ls i,kg? x`Jh NAO> 18.日期格式化
!dGSZ|YZ Z\>mAtm 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
?<STl-]& SYwB
#| 显示为: 2004-8-11 19:44:28
GL'l "L Z~v-@ 我只想要:2004-8-11 】
jW;g{5X <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
xP-\)d-.aN pYz\GSd 应该如何改?
N;R I
A T7?cnK" 【格式化日期】
0[.T`tpN' ^0HgE;4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,$(a,`s) 2 `U+
! 【日期的验证表达式】
D+"+m%^>C ^=[b]*V A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
'nN'bVl/ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
;S+]Z!5LT k nljc^ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
u{5+hZ ^\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]))$
xl ,(=L] %gEgpJd 【大小写转换】
";;Nc>-Y HttpUtility.HtmlEncode(string);
Wgb L9'}B HttpUtility.HtmlDecode(string)
@G^m+- Hv-f :P O 19.如何设定全局变量
GD0Q`gWNe OE=.@Ry" Global.asax中
hw2Sb,bY Zmz $
hr Application_Start()事件中
jJyS^*.X )8%m|v#W 添加Application[属性名] = xxx;
nd~O*-uYg S#*aB2ZS 就是你的全局变量
M`p[ Zq w\y) 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
<op|yh3Jkk b=XXp`h~a HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
qaG8: dy3fZ(=q^ 【ASPNETMENU】点击菜单项弹出新窗口
gN.n_! c'
Q4Fzj0' 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
om2)Cd9~7 <?xml version="1.0" encoding="GB2312"?>
tL]T_]z <MenuData ImagesBaseURL="images/">
d~#:t~
$, <MenuGroup>
;k
(M4? <MenuItem Label="内参信息" URL="Infomation.aspx" >
@ RP?)*8}& <MenuGroup ID="BBC">
-+y3~^EYm, <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
22@w: <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
n;e.N:p ......
sFw;P` g17 fge6% 最好将你的aspnetmenu升级到1.2版
O96%U$W }U@(S>,% 21.读取DataGrid控件TextBox值
9k;%R5( foreach(DataGrid dgi in yourDataGrid.Items)
wL[{6wL {
m1Xc3=Y TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
KJ
cuZ."wX tb.Text....
FD/=uIXH2 }
@ \*Zq MG vp6/Pd 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?
!md1~g$rN 6#kmV 〖思归〗
"'~&D/7 <asp:TemplateColumn HeaderText="数量">
5DL(#9F8b9 <ItemTemplate>
),XDY_9K <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
rmeGk&*R8 onkeyup="javascript:DoCal()"
v9"03=h />
}aL&3[>> (BGflb <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
SW7AG;c= </ItemTemplate>
UBw*}p </asp:TemplateColumn>
` >[Offhd $l_\9J913 <asp:TemplateColumn HeaderText="单价">
ZMGC@4^F <ItemTemplate>
7{p6&xXx <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
~p
x2kHZ onkeyup="javascript:DoCal()"
lBLL45%BIN />
lX64IvG8+o `#?]g ! <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
'u3,+guz F#a'N c9 </ItemTemplate>
}pKKNZ`[ </asp:TemplateColumn>
R%6KxN)+@ GHpP
*x <asp:TemplateColumn HeaderText="金额">
6|QIzs<Z-X <ItemTemplate>
Bo0f`EC I <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Cy6%f? j </ItemTemplate>
%7
$X
* </asp:TemplateColumn><script language="javascript">
X'p%K/-m function DoCal()
NUh+ &M {
?hKpJA'% var e = event.srcElement;
^*b11/7 var row = e.parentNode.parentNode;
*BKIA var txts = row.all.tags("INPUT");
|%uy{ if (!txts.length || txts.length < 3)
BK1I_/_! return;
l:*.0Tj 7n7UL0Oc1 var q = txts[txts.length-3].value;
?@QcKQ@ var p = txts[txts.length-2].value;
~^l;~& x#fv<Cj4 if (isNaN(q) || isNaN(p))
''}2JJU{ return;
yT[)V[} ,6aF~p;wI| q = parseInt(q);
[y"Yi PK p = parseFloat(p);
yC[Q-P *rG Va^(cnwa txts[txts.length-1].value = (q * p).toFixed(2);
yC7lR#N8j0 }
u5tUm </script>
.9q`Tf RO| }WD) +|qw>1J( PV-B<Y ))I[@D1b 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
}$#PIyz page_load
H__'K/nH+ page.smartNavigation=true
JvYs6u gnlU 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 ?
@[bFlqsE private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
|}Z2YDwO/ {
4jW <*jM for(int i=0;i<e.Item.Cells.Count-1;i++)
WQsu}_g5y if(e.Item.ItemType==ListItemType.EditType)
.f`KP!p. {
"Iacs s0; e.Item.Cells.Attributes.Add("Width", "80px")
=nv/
r }
\pXo~;E\ }
*mn"GK6 DK1{Z;Z 26.对话框
%rO)w? private static string ScriptBegin = "<script language=\"JavaScript\">";
0~e6\7={ private static string ScriptEnd = "</script>";
Ehq
[4} \{={{O public static void ConfirmMessageBox(string PageTarget,string Content)
w{ Pl {
av~kF string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
cXK.^@du V^_U=Ed@M ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
#lF 2qw WTu!/J<\ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
dte-2?%~j ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
lD$\t/8B //Response.Write(strScript);
,,G'Zur7 }
-fOBM 4 4c<\_\\ck 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
)\J~KB4 T1;>qgp4b 1.1 取当前年月日时分秒
u56F;y currentTime=System.DateTime.Now;
9]:F!d/ fvj 1.2 取当前年
yh{U!hG int 年= DateTime.Now.Year;
bSa]={}L( <t dsUh:?& 1.3 取当前月
l0eh}d int 月= DateTime.Now.Month;
;WG%)^e Rg3g:TV9c 1.4 取当前日
Fi#
9L int 日= DateTime.Now.Day;
MJU*Sq 68~5Dx 1.5 取当前时
U "v=XK)! int 时= DateTime.Now.Hour;
M|7][!<G! U5[r&Y
D 1.6 取当前分
#v*3-) 8 int 分= DateTime.Now.Minute;
dv?t;D@p! }>_ 1.7 取当前秒
l7U<]i GL int 秒= DateTime.Now.Second;
i:H]Sb)<b x^McUfdr| 1.8 取当前毫秒
!\\OMAf7 int 毫秒= DateTime.Now.Millisecond;
*!yA'z< 3*-!0 28.自定义分页代码:
yUs/lI, Q Lm+E? Ca 先定义变量 :
#wJ^:r-c` public static int pageCount; //总页面数
E5Lq-
public static int curPageIndex=1; //当前页面
GN+!o($ /!U(/ 下一页:
kArF Gb2c if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O;.DQ {
"
"S&zN DataGrid1.CurrentPageIndex += 1;
B5[As8Sa curPageIndex+=1;
M-(,*6Q }
1jd.tup %yK- Q,'O bind(); // DataGrid1数据绑定函数
\W|ymV_Ki r(<91~Ww 上一页:
K6 ,d{n if(DataGrid1.CurrentPageIndex >0)
AR c {
QT4vjz+| DataGrid1.CurrentPageIndex += 1;
_~;K] curPageIndex-=1;
a!.Y@o5Ku }
k=X)axt1 q[x|tO bind(); // DataGrid1数据绑定函数
yF-`f
_ 3dgPP@7d$ 直接页面跳转:
KON^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Rb0{W]opt+ a..LbQQ if(a<DataGrid1.PageCount)
KBA&s {
[-^xw1: this.DataGrid1.CurrentPageIndex=a;
=-avzuy# }
WfQZ7e oo1h"[ bind();
QN#tj$x c/%GfB[w0 29.DataGrid使用:
n{=Ot^
"; \b#`Ahf` 添加删除确认:
Th4}$)yrkN private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
k<RaC= {
`:d\L
H foreach(DataGridItem di in this.DataGrid1.Items)
)Jh:~9L%=' {
bL|$\'S if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
pxCQ=0k {
z }Vg4\x& ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
0|,Ij$ }
67U6`9d }
;8b!T
-K }
T%E/k#
)q JO~62='J 样式交替:
| NyANsI ListItemType itemType = e.Item.ItemType;
<slrzc_>& '@1C$0tx if (itemType == ListItemType.Item )
sVe<l mL {
34L1Gxf
e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
.]N`]3$= e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
"O_)~u }
0iKAg else if( itemType == ListItemType.AlternatingItem)
3~Ll<8fv {
\T?6TDZ] e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
l!:L<B e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
H>%L@Btw }
.&n!4F' 'Jd*r(2d 添加一个编号列:
kpMo7n DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
#!P>.". DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
(/ -90u u R]8ZT") for(int i=0;i<dt.Rows.Count;i++)
Dn`
{
z~ua#(z1S dt.Rows["number"]=(i+1).ToString();
V14+?L }
>uFFTik (~fv;}}v DataGrid1.DataSource=dt;
4ZkaH(a1 DataGrid1.DataBind();
Xm<|m# +]Ev DataGrid1中添加一个CheckBox,页面中添加一个全选框
DeI3(o7 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
u[nLrEnD {
UYzNaw4/x foreach(DataGridItem thisitem in DataGrid1.Items)
9zm2}6r4 {
QkYKm<b ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
NTVaz. }
9)uJ\NMy }
At&kW3( 8EU/}Ym 将当前页面中DataGrid1显示的数据全部删除
,x?Jrcx~'C foreach(DataGridItem thisitem in DataGrid1.Items)
< Yc)F.: {
-8v:eyc if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{:=]J4] {
H;#C NB<e string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
6_K7!?YG7 Del (strloginid); //删除函数
AB<%GzW0( }
NHe[,nIV }
U#{(*)qr Hxn#vAc 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)
!t?5U_on |O;vWn'U2 在Application_Start中添加以下代码:
~.z82m Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
H#G3CD2& AppSettings["ConnStr"].ToString();
7c8`D;A-K y[GqV_~?Y 31. 变量.ToString()
t+M'05-U2 <`NtTG 字符型转换 转为字符串
@?gRWH;Pq 12345.ToString("n"); //生成 12,345.00
b"Jr_24t3v 12345.ToString("C"); //生成 ¥12,345.00
&AVX03P 12345.ToString("e"); //生成 1.234500e+004
FytGg[#] 12345.ToString("f4"); //生成 12345.0000
SAE'y2B* 12345.ToString("x"); //生成 3039 (16进制)
z'\BZ5riX< 12345.ToString("p"); //生成 1,234,500.00%
l
nJ COj^pdE3 32、变量.Substring(参数1,参数2);
;WgzR_'!' EAz>`~ 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);
<YrsS-9 bm h@SB 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)
G/_xn5XDD <SCRIPT language="javascript">
ux)Wh.5 <!--
+W8kMuM! function gook(pws)
Hm+VGH'H? {
2'Raj'2S4 frm.submit();
hsJGly5H }
)~IOsTjI //-->
X_)x Fg'k >)k[085t </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
EAE#AB-A <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
yoz-BS <tr>
)k]{FM <td>
]ZH6
.@| <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
HcrlcxwM\i <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
4\j1+&W
<input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
1B$8<NCQ=? mRN[lj <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
# wyjb:Ql <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
[}4\CWM l-5O5|C </td>
($gmN 4 cfy9wD </tr>
]hRs -x L@J$kqWY </form>
_qH]OSo @c}Gw;e 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。
}N:QB}7'_ <SdOb#2 下面是获取用户输入的登陆信息的代码:
#c9MVQ_ string name;
b#n name=Request.QueryString["EmailName"];
U
!%IC7@ Nh !U try
Ex6Kxd}8 {
R<^E?FI
int a=name.IndexOf("@",0,name.Length);
9fCU+s f_user.Value=name.Substring(0,a);
bNHsjx@ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
TQOJN f_pass.Value=Request.QueryString["Psw"];
2} _^~8 }
HUbXJsSP M7#CMLy catch
6=x]20 {
hMgk+4* Script.Alert("错误的邮箱!");
-CALU X Server.Transfer("index.aspx");
F*Ul#yX }