1. 打开新的窗口并传送参数:
thh, V }5~;jN=k 传送参数:
X@arUs7 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
e"vEh m>iuy:ti 接收参数:
~Sh}\&3p string a = Request.QueryString("id");
*
08LW|:, string b = Request.QueryString("id1");
IflpM ] (nBsf1l 2.为按钮添加对话框
b`^$2RM& Button1.Attributes.Add("onclick","return confirm(’确认?’)");
uuq?0t2Z button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
eN/Jb;W hJ|z8Sy@1 3.删除表格选定记录
8'zwyd3 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
c6e?)(V> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
&?~> I[^~
-/h$Yb 4.删除表格记录警告
, 7}Ri private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
]|-y[iu {
@gZ%>qe switch(e.Item.ItemType)
Y$(G)Fs {
w'UP#vT5& case ListItemType.Item :
7|{QAv case ListItemType.AlternatingItem :
}\1V;T case ListItemType.EditItem:
4-m}W;igu TableCell myTableCell;
ddw!FH2W
( myTableCell = e.Item.Cells[14];
zP5H TEz LinkButton myDeleteButton ;
rIu>JyC"p myDeleteButton = (LinkButton)myTableCell.Controls[0];
\\[P^ tsF myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Ar|_UV>Zf break;
a1?Y7(alPU default:
y_\d[ break;
*QrTZ$\C }
[ P
8e=; a+]@$8+ }
2^|*M@3r j3$KYf`T} 5.点击表格行链接另一页
f1Rm9`` private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
nF7Ozxm# {
RlpW)\{j? //点击表格打开
`/0FXb
8h if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
tf>?; e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
C3D1rS/I }
~V (WD;Mk k&9
b&-=fk 双击表格连接到另一页
9D&ocV3QV grv 3aa@ 在itemDataBind事件中
xNT[(( if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(Y-7B {
k+_pj k string OrderItemID =e.item.cells[1].Text;
uHy^ Bq ...
,UY],;ib e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
d~qDQ6! }
[~$9n_O94 42Z2Mjtk 双击表格打开新一页
J.~$^-&! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
htIV`_<Ro {
RF qbwPX string OrderItemID =e.item.cells[1].Text;
U#YM)8;Iz ...
ni9/7 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
U*)pUJ{&t }
hMi`n6m ^ng?+X>mP ★特别注意:【?id=】 处不能为 【?id =】
Zsaz#z|xW 6.表格超连接列传递参数
g&v2=&aj <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Zpg$:Rr <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
75gE>:f Dk/;`sXV 7.表格点击改变颜色
9^ )=N=wV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#p0vrQ;5f {
I:[3x2H e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"N>~] this.style.color=’buttontext’;this.style.cursor=’default’;");
)!z<q}i5 }
n** W [T<nTB# w 写在DataGrid的_ItemDataBound里
f~
kz=R= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4+"2K-] {
7u73v+9qn: e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|WwC@3) this.style.color=’buttontext’;this.style.cursor=’default’;");
gqJSz}' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
H0r@dn }
Y@B0.5U2 R~
n[g P'MfuTtT& 8.关于日期格式
]-]K4*{ f9ux+XQk9 日期格式设定
k+b!Lw!L DataFormatString="{0:yyyy-MM-dd}"
jwhc;y jMr [UZ 我觉得应该在itembound事件中
|C"(K-do e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
=z#6mSx|W
BQTZt'p 9.获取错误信息并到指定页面
|Lf>Z2E "sh*,K5x| 不要使用Response.Redirect,而应该使用Server.Transfer
7vZtEwC)n ZEa31[@B[ e.g
@
>_v/U' // in global.asax
AUjZYp protected void Application_Error(Object sender, EventArgs e) {
a4aM.o if (Server.GetLastError() is HttpUnhandledException)
Wg{ 9X#| Server.Transfer("MyErrorPage.aspx");
cip5 -Z@8 W cOyOv //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
*Cf5D6=Q }
{02$pO +)$oy] Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
rZ`+g7&^Fh I[nSf]Vm> 10.清空Cookie
!y_4.&C{ Cookie.Expires=[DateTime];
x9\z^GU%H Response.Cookies("UserName").Expires = 0
Sq22] &`x1_*l 11.自定义异常处理
m-?hHdO //自定义异常处理类
SzXR],dA using System;
# `L?24% using System.Diagnostics;
Ck1{\=t CZZwBt$P namespace MyAppException
YF8;s4 {
A; _Zw[ /// <summary>
-So$f-y /// 从系统异常类ApplicationException继承的应用程序异常处理类。
R`
g'WaDk /// 自动将异常内容记录到Windows NT/2000的应用程序日志
'_ZiZ4O /// </summary>
(>]frlEU~ public class AppException:System.ApplicationException
"t0l)P*C} {
nIZ;N!r=i public AppException()
-A]-o {
'`+8'3K~E if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ICdfak }
pTeN[Yu? 2P,%}Ms public AppException(string message)
pYN.tD FO {
h4ozwVA LogEvent(message);
Q&5s,)w- }
kF]sy8u] G]v BI= public AppException(string message,Exception innerException)
UpTVLx^c {
wE~&Y?^ LogEvent(message);
CH9Psr78 if (innerException != null)
x3AAn,m8 {
DyPHQ}G LogEvent(innerException.Message);
GBYeiEgZh }
:MaP58dhh }
<#nt?Xn s,CN<`/>x //日志记录类
x`:c0y9uG using System;
PQj 'D<G using System.Configuration;
XgI;2Be+&a using System.Diagnostics;
0ZM#..3sI using System.IO;
*q&^tn b using System.Text;
;{lb_du2: using System.Threading;
E]O/'-
t7-6A namespace MyEventLog
lxsn(- j {
x$hT+z6DUC /// <summary>
J5!-<oJ/ /// 事件日志记录类,提供事件日志记录支持
y
g:&cIr, /// <remarks>
#_SsSD=.Sy /// 定义了4个日志记录方法 (error, warning, info, trace)
-xXdT$Xd /// </remarks>
G)IK5zCDd /// </summary>
EvYe1Y- public class ApplicationLog
CL3 b+r {
%ZsdCQc{` /// <summary>
HT:V;?" /// 将错误信息记录到Win2000/NT事件日志中
1K#%mV_ /// <param name="message">需要记录的文本信息</param>
=f?vpKq40 /// </summary>
*qZBq&7tb public static void WriteError(String message)
i&TWIl8 {
cY^'Cj WriteLog(TraceLevel.Error, message);
#=V\WQb }
:u]QEZ@@ ;#bDz}|\AN /// <summary>
:\Q#W4~p /// 将警告信息记录到Win2000/NT事件日志中
e_YTh^wU /// <param name="message">需要记录的文本信息</param>
zx/$ /// </summary>
FLo`EE":O( public static void WriteWarning(String message)
7#&e0fw/I {
8S`
j6 WriteLog(TraceLevel.Warning, message);
;w7s>(ITZ }
h_HPmh5 {TXfi'\ /// <summary>
S2jn pf} /// 将提示信息记录到Win2000/NT事件日志中
Q7#t#XM /// <param name="message">需要记录的文本信息</param>
dsU'UG7L /// </summary>
o<gK"P public static void WriteInfo(String message)
fHODS9HQ {
`mthzc3W WriteLog(TraceLevel.Info, message);
wQ^RXbJI9 }
oFb~|>d /// <summary>
.~C%:bDnX7 /// 将跟踪信息记录到Win2000/NT事件日志中
k4PXH /// <param name="message">需要记录的文本信息</param>
a>Wr2gPko /// </summary>
*X5<]{7c public static void WriteTrace(String message)
:6:,s#av {
$0gGRCCG; WriteLog(TraceLevel.Verbose, message);
@_$Un&eo }
R`J.vMT IISdC(5 /// <summary>
Q@1SqK#-DQ /// 格式化记录到事件日志的文本信息格式
_+j#.o> /// <param name="ex">需要格式化的异常对象</param>
E!RlH3}) /// <param name="catchInfo">异常信息标题字符串.</param>
99tUw'w /// <retvalue>
4,08`5{ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=9h!K:,k /// </retvalue>
6 w'))Z /// </summary>
T/FZn{I public static String FormatException(Exception ex, String catchInfo)
T>pyYF1Q {
~h:(9q8NLC StringBuilder strBuilder = new StringBuilder();
OZ33w-X< if (catchInfo != String.Empty)
;F_P<b 2 {
JEs@ky?{z strBuilder.Append(catchInfo).Append("\r\n");
{FX]1: }
l"1*0jgBw strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
D\Y,2!I return strBuilder.ToString();
n[B[hAT }
<#wVQ\0C R$p(5>#\5 /// <summary>
DheQcM /// 实际事件日志写入方法
$h}5cl /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
CZE!@1"<{ /// <param name="messageText">要记录的文本.</param>
on;>iKta9 /// </summary>
FJ{/EloF private static void WriteLog(TraceLevel level, String messageText)
&2Ef:RZF {
gA`QV''/: try
JZK93R {
7GTDe'T EventLogEntryType LogEntryType;
CpB,L switch (level)
CH#K0hi {
1?yj<^" case TraceLevel.Error:
{V pk o LogEntryType = EventLogEntryType.Error;
mo+!79& break;
l3*GQ~m7 case TraceLevel.Warning:
l<p<\,nV$ LogEntryType = EventLogEntryType.Warning;
##%&*vh break;
cF_`QRtO case TraceLevel.Info:
artn _ LogEntryType = EventLogEntryType.Information;
dz^b(q break;
P,xIDj4d case TraceLevel.Verbose:
^?wR{q"8 LogEntryType = EventLogEntryType.SuccessAudit;
sH>`eqY break;
puLgc$? default:
Fv*QcB9K LogEntryType = EventLogEntryType.SuccessAudit;
_%er,Ed break;
(S4HU_,88 }
L[Ot$ 6Xz d>5x EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
61b*uoq0w? //写入事件日志
oHr0;4Lg6 eventLog.WriteEntry(messageText, LogEntryType);
/M'd$k"0z U{j4FlB }
r{B28'f[ catch {} //忽略任何异常
2;j<{' }
9 *uK]/c } //class ApplicationLog
w3 kkam" }
vaJl}^T mP=[h
|a$r 12.Panel 横向滚动,纵向自动扩展
xjSzQ|k- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4"H*hKp ][b|^V 13.回车转换成Tab
^|=P9'4Th <script language="javascript" for="document" event="onkeydown">
LF
@_|oI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
PU[<sr#, event.keyCode=9;
^^zj4 }On? </script>
*u:,@io7'G 0w:
3/WO onkeydown="if(event.keyCode==13) event.keyCode=9"
97UOH Hq+QsplG 14.DataGrid超级连接列
d3|/&gDBK DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
(w{T[~6 j!y9E~Zz 15.DataGrid行随鼠标变色
}6BXa private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
IuT)?S7O*k {
;c>"gW8 if (e.Item.ItemType!=ListItemType.Header)
.k-6LR {
j
RcE241 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
kG{};Vm e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Y 9|!=T% }
4'=Q:o*w` }
8zpzVizDG >~Xe` }' 16.模板列
Yku6\/^ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
6PYm?i=p? <ITEMTEMPLATE>
-KV,l <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
@0s'
(
</ITEMTEMPLATE>
_"Z?O)d* </ASP:TEMPLATECOLUMN>
NuSdN>8ll G<=I\T'g; <ASP:TEMPLATECOLUMN headertext="选中">
Y<u%J#'[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
/Jc{aw <ITEMTEMPLATE>
dq@
*8ui <ASP:CHECKBOX id="chkExport" runat="server" />
qHp2; </ITEMTEMPLATE>
0O,;[l <EDITITEMTEMPLATE>
!mTq6H12 ! <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
LSA6*Q51 </EDITITEMTEMPLATE>
!'~L dl </ASP:TEMPLATECOLUMN>
/8Y8-&K0 RRPPojKZ 后台代码
?ueL'4Mm protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
~nhO*bs}7{ {
}<X* :%#b //改变列的选定,实现全选或全不选。
?P-O4 CheckBox chkExport ;
e"wzb< b if( CheckAll.Checked)
<" nWGF4d {
`kxC#
&HO foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
l?2 {
i+qg*o$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;4ybkOD chkExport.Checked = true;
bL`\l!qQx; }
Exqz$'(W9 }
dQ7iieT else
wM4{\ f\ {
qqe"hruFJ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.B-b51Uz {
Q-V8=. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_AFje chkExport.Checked = false;
=
g
& }
xT_"` @ }
|" WL }
S9P({iZK oJ
%Nt&q 17.数字格式化
m3Wc};yE*Q W{.:Cf9 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
=DfI^$Lr: <%#Container.DataItem("price","{0:¥#,##0.00}")%>
zN!yOlp5 rP'%f 6 int i=123456;
$.pCoS]i string s=i.ToString("###,###.00");
=WUL%MfW vR:#g;mnk 18.日期格式化
D.:`]W| vT0Op e6m 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
} =)u_q AC(qx:/6 显示为: 2004-8-11 19:44:28
s`H|o'0 K=o { 我只想要:2004-8-11 】
XJPIAN~l <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
& ;.rPU lY"l6.c 应该如何改?
U`=r.> j@(S7=^C6% 【格式化日期】
5hy7}*dR NZv 8# 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
|v%$Q/zp& ;"0bVs`.^e 【日期的验证表达式】
*X$qgSW k^8;3#xG A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
C_/eNu\I ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
hWbu
Z% { 22ey`@`h B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
y\;oZ]J ^\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]))$
.<>t2,Af #*qV kPX 【大小写转换】
_g/d/{-{Q HttpUtility.HtmlEncode(string);
>*gf1" HttpUtility.HtmlDecode(string)
SF*mY=1 KTT!P 4 19.如何设定全局变量
BM:p)%Pv#P Y\_mqd Global.asax中
l![79eFp 5I6?gv/ Application_Start()事件中
S+[,\>pY @xBb|/I 添加Application[属性名] = xxx;
?>*d82yO
yW1N&$n 就是你的全局变量
i^jM9MAi O4f9n 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Lf^
7| AJLzLbV+ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Z{B [r; yC5>k;/6#K 【ASPNETMENU】点击菜单项弹出新窗口
6wB
!dl ef{Hj[8 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
*vRHF1)L <?xml version="1.0" encoding="GB2312"?>
.Qn#wub <MenuData ImagesBaseURL="images/">
M5+R8ttc <MenuGroup>
=/|GWQj <MenuItem Label="内参信息" URL="Infomation.aspx" >
=Xr{ Dg <MenuGroup ID="BBC">
,e1c,} <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
uGXvP(Pg' <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
SGZYDxFC@ ......
EJC}"%h 3=ME$%f 最好将你的aspnetmenu升级到1.2版
rjcH[U( XS@iu,uO 21.读取DataGrid控件TextBox值
?:60lCqj foreach(DataGrid dgi in yourDataGrid.Items)
2BO H8Mp9 {
gsQn@(; TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[7DU0Xg7 tb.Text....
8i`T?KB }
b}7g> l>`S<rGe 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?
xP1D 9 K
~\b+ 〖思归〗
Uhh[le2 % <asp:TemplateColumn HeaderText="数量">
EiM\`"o <ItemTemplate>
~8k`~t! <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
79)iv+nf\l onkeyup="javascript:DoCal()"
%`G}/" />
mL}Wan Iu~(SKr=|$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
u_ :gqvC= </ItemTemplate>
M-QQ </asp:TemplateColumn>
b9.7j!W u8A,f}D 3 <asp:TemplateColumn HeaderText="单价">
L~|_)4 <ItemTemplate>
E]a,2{&8< <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
l3MA&&++KF onkeyup="javascript:DoCal()"
2g)q
( />
p,8:(|( O>X!78]#K <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
js)E:+{A, '2|mg<Ft </ItemTemplate>
uh)f/)6 </asp:TemplateColumn>
96F+I!qC ^JIs:\g<< <asp:TemplateColumn HeaderText="金额">
QB*AQ5- <ItemTemplate>
dXt@x8E <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
yyVJb3n5:! </ItemTemplate>
{2g?+8L$Z </asp:TemplateColumn><script language="javascript">
S,+|A)\# function DoCal()
* e,8o2C$ {
M#],#o*G var e = event.srcElement;
9J49s1 var row = e.parentNode.parentNode;
u`+kH8# var txts = row.all.tags("INPUT");
/6N!$*8 if (!txts.length || txts.length < 3)
)J\
JAUj return;
`a7b,d K^AIqL8 var q = txts[txts.length-3].value;
8.`5"9Vh var p = txts[txts.length-2].value;
p_g8d&]V P)=$0kR3 if (isNaN(q) || isNaN(p))
=snJ+yn! return;
bb/A}<
zD m:;`mBOc3 q = parseInt(q);
k
lr1"q7 p = parseFloat(p);
^?0WE y3'K+?4 txts[txts.length-1].value = (q * p).toFixed(2);
A:sP%c; }
v>Kv!OY:c </script>
ir)~T0 Vc|QW Mm"0Ip2" +{e2TY b Oh[(O! 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
jvE&%|Ngw page_load
Xdf;'|HO page.smartNavigation=true
%8%0l*n' _32 o7}!x 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
!|
GD8i private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
=WFG[~8 {
#)%dG3)e for(int i=0;i<e.Item.Cells.Count-1;i++)
9qJ:h-?M if(e.Item.ItemType==ListItemType.EditType)
Qo["K}Ty {
a,*|*Cv e.Item.Cells.Attributes.Add("Width", "80px")
3 _DJ }
y=y#*yn & }
kvt"7;( N*hx;k9 26.对话框
cC`PmDGq private static string ScriptBegin = "<script language=\"JavaScript\">";
nfr..4,: private static string ScriptEnd = "</script>";
R?,XSJ ;&RHc#1F public static void ConfirmMessageBox(string PageTarget,string Content)
/(ArA=# {
_H2%6t/V string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
9[\$\l 'F8:|g ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
2I~a{:O \G]vTK3 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
qZ+^ND(I ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
W(*?rA- PP //Response.Write(strScript);
Y5Z<uD }
z6Yx
)qBE< 1QuR7p 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
0R?LWm
j ->YF</I 1.1 取当前年月日时分秒
nR$Q~` currentTime=System.DateTime.Now;
5./(n7d_ Nj4^G ~_ 1.2 取当前年
PHn3f;I int 年= DateTime.Now.Year;
o{
\r1<D KA0_uty/T 1.3 取当前月
a
s?)6 int 月= DateTime.Now.Month;
yy3-Xu4 >9]i#So^ 1.4 取当前日
4ze4{a^ int 日= DateTime.Now.Day;
L {i|OK^e Rlf#)4 1.5 取当前时
*[['X%f int 时= DateTime.Now.Hour;
}#f~"-O baM@HpMhM 1.6 取当前分
/3v`2=b int 分= DateTime.Now.Minute;
L[:b\O/p, j%s:d(H` 1.7 取当前秒
Kkds^v6 int 秒= DateTime.Now.Second;
rv97Wm+ {5gh. 1.8 取当前毫秒
-r"h[UV) int 毫秒= DateTime.Now.Millisecond;
iYxpIqWw 5PCKBevV 28.自定义分页代码:
+q3E>K9a Wd_KZ}lX 先定义变量 :
`~3y[j]kO public static int pageCount; //总页面数
rwou[QU public static int curPageIndex=1; //当前页面
sv?Lk4_ js\|xfDxP 下一页:
/F6=iHK(l if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
h/n&&J {
>)PcK DataGrid1.CurrentPageIndex += 1;
:s OsG&y curPageIndex+=1;
iPPW_Q9x }
2f$6}m'Ad RBzBR)@5 bind(); // DataGrid1数据绑定函数
U:
Q&sq8U VlQaT7Q 上一页:
n~NOqvT < if(DataGrid1.CurrentPageIndex >0)
a5xp[TlXn. {
!G3d5d2)C DataGrid1.CurrentPageIndex += 1;
07L1 " curPageIndex-=1;
/"<o""<] }
zcNv T ta 66AEc9 bind(); // DataGrid1数据绑定函数
PxHHh{y%c 9Iod[ x 直接页面跳转:
]1
OZY@ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
r|tTDKGQ XZFM|=%X if(a<DataGrid1.PageCount)
_7"G&nZ0 {
Pb^Mc <j this.DataGrid1.CurrentPageIndex=a;
("L&iu\`@ }
Bzw!,(u/
" 4U;6 2 jq bind();
xui.63/ 0
))W [ 29.DataGrid使用:
+MfdZD Sc zYL?w^ 添加删除确认:
GwoN= private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
le-Q&* {
24
i00s|# foreach(DataGridItem di in this.DataGrid1.Items)
A<VNttgG {
amn\#_( if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
*g<D p2` {
n_/_Y>{M0 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
hVB^: }
P+~{q.|._c }
vA*Ud;%R }
MZX-<p+ }G#TYF} 样式交替:
3i'L5f67 ListItemType itemType = e.Item.ItemType;
Xn'{g }qf)L. if (itemType == ListItemType.Item )
.*s1d)\: {
dt(#|8i% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Rx22W:S=C. e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
,wN>,( }
CN$wlhs else if( itemType == ListItemType.AlternatingItem)
ljij/ C= {
DhwFD8tT e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
U]Vu8$W e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[BpIzhy&} }
L+&eY?A OXs-gC{b 添加一个编号列:
9o]h}Xc DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N{u4 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
a;Q.R q.l"Y#d
for(int i=0;i<dt.Rows.Count;i++)
Fx.hti {
/^kZ}}9baU dt.Rows["number"]=(i+1).ToString();
.'q0*Pe }
SJRiMR_F~ gm63dE> DataGrid1.DataSource=dt;
hDp
-,ag{ DataGrid1.DataBind();
JwNG`MGc K>2mm!{ DataGrid1中添加一个CheckBox,页面中添加一个全选框
_Kp{b"G private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Ccw6,2`& {
8v},&rhPQq foreach(DataGridItem thisitem in DataGrid1.Items)
I&oHVFY+ {
1Y"[Qs]"mU ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
v(T;Y=& }
Y7yh0r_ }
4Lo8Eue {jX
h/` 将当前页面中DataGrid1显示的数据全部删除
Z^w}: { foreach(DataGridItem thisitem in DataGrid1.Items)
p#9.lFSX {
w
a!g/\ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
`,mE
'3& {
I-E}D"F;p[ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
"(6]K}k@ Del (strloginid); //删除函数
#-ioLt% }
ZE@!s3\ }
V=pg9KR!T %C_RBd 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)
6OJ`R.DM` $z!o&3c'x 在Application_Start中添加以下代码:
)p&FDK#ob= Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
;O*y$|+PA AppSettings["ConnStr"].ToString();
-0 [^w ]>NP?S
)R 31. 变量.ToString()
\dAh^B K1( )&"l3*x 字符型转换 转为字符串
K<O1PrC 12345.ToString("n"); //生成 12,345.00
:"9 :J 12345.ToString("C"); //生成 ¥12,345.00
HL;y5o? 12345.ToString("e"); //生成 1.234500e+004
S{7*uK3$ 12345.ToString("f4"); //生成 12345.0000
4#$~gTc@ 12345.ToString("x"); //生成 3039 (16进制)
qm-G=EX 12345.ToString("p"); //生成 1,234,500.00%
x[+t #2thg{5 32、变量.Substring(参数1,参数2);
Vx5ioA]{ _cqBp7 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
1us-ootsjP yIBT*,4 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
c}a. <SCRIPT language="javascript">
3%?01$k <!--
%(GWR@mfC function gook(pws)
?\dY! {
?lJm}0> frm.submit();
KLW#+vZ }
seh1(q?Va4 //-->
eeX^zaKl] DGl_SMJb </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
TSHsEcfO <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
e&G!5kz! <tr>
)~1QOl
"~ <td>
&>UI { <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Y/1KvF4)k <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
sW[8f
Z71 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
\IL/?J
5d a"^0;a <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
*/iD68r|- <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1$Rua @!0@f'}e </td>
fcd\{1#u eRkvNI </tr>
-~O7.E(ok o}&TFhT </form>
gTE/g'3 kB-%T66\ 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。
[A?Dx-R;( ?\MvAG7Y 下面是获取用户输入的登陆信息的代码:
bmT_tNz string name;
X}.y-X#v5J name=Request.QueryString["EmailName"];
~y.{WuUD (9r\YNK try
"oZ-W?IK E {
6-U+<[,x int a=name.IndexOf("@",0,name.Length);
\F;V69' f_user.Value=name.Substring(0,a);
8RJXY:% f_domain.Value=name.Substring(a+1,name.Length-(a+1));
1
"'t5?XW f_pass.Value=Request.QueryString["Psw"];
t|Cp<k]B }
uGIA4CUm 1!,xB]v1Ri catch
3.M<ATe^ {
:<ye:P1s Script.Alert("错误的邮箱!");
%|L+~ = Server.Transfer("index.aspx");
B#RwW, }