1. 打开新的窗口并传送参数:
s(9rBDoY(8 Llc|j&yHQ 传送参数:
S_;:iC]B response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
aJ_Eh(cF M<m64{m1 接收参数:
F+9`G[ string a = Request.QueryString("id");
)H,<i{80c string b = Request.QueryString("id1");
M!DoR6 nhhJUN?8 2.为按钮添加对话框
Kqu7DZ+W Button1.Attributes.Add("onclick","return confirm(’确认?’)");
s;f u button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
>-+X;0& s1apHwJ - 3.删除表格选定记录
Ntrn("! int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
kx(:Z8DX string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Sf:lN4 b!P;xLcb 4.删除表格记录警告
J+|V[E<x private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-dN;\x {
d~$t{46 switch(e.Item.ItemType)
SLB iQd. {
OHvzK8 case ListItemType.Item :
?0&>?-? case ListItemType.AlternatingItem :
rzj'!~>U case ListItemType.EditItem:
kYa'
] m TableCell myTableCell;
HliY myTableCell = e.Item.Cells[14];
1T?%i LinkButton myDeleteButton ;
Wf w9cxGkf myDeleteButton = (LinkButton)myTableCell.Controls[0];
"G)?
E| myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
e(5R8ud break;
FMr$cKvE]W default:
P.J}\;S T break;
]F-6KeBc }
9'aR-tFun; }}2hI` }
En_8H[<% Z|wDM^Lf 5.点击表格行链接另一页
IT33E%G private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
FKm2slzb {
"t`e68{Ls //点击表格打开
u[qtuM?& if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&!MKqJ@t e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9K(b Z{ }
Q:|E h*%1Jkxu 双击表格连接到另一页
k_`S[ 50`r}s} 在itemDataBind事件中
y
+vcBuX if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\bE~iz3b9 {
svgi!= string OrderItemID =e.item.cells[1].Text;
a]ey..m ...
T^>cT"ux_ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
#2=3 0 }
nTlrG6 /UAj]U 双击表格打开新一页
A
76yz`D if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
mL+ps x+ {
[%q":Ig string OrderItemID =e.item.cells[1].Text;
%hQ`b$07t ...
z05pVe/5 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
dGN*K}5 }
@)wXP@7 c+VUk*c3 ★特别注意:【?id=】 处不能为 【?id =】
qQryv_QP 6.表格超连接列传递参数
H^0KNMf( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
J],BO\ECH <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
c6.|; 4 c5u?\ 7.表格点击改变颜色
=p:6u_@XWj if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Hu.d^@V {
ar%Rr" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
o*VQH`G*|g this.style.color=’buttontext’;this.style.cursor=’default’;");
y.OUn'^d4 }
$dVjxo [rem,i+ 写在DataGrid的_ItemDataBound里
=*N(8j>y if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_uacpN/<| {
@ZZ Lh= e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
sj2+|> this.style.color=’buttontext’;this.style.cursor=’default’;");
p};<l@ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
W'yICt(#G }
l-rI|0D# |ESe=G (>'d`^kjk 8.关于日期格式
6zSN?0c EY(4<;) 日期格式设定
NKN!X/P DataFormatString="{0:yyyy-MM-dd}"
n"vI> _|G c$TBHK;c 我觉得应该在itembound事件中
0'",4=c#V e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4`B:Mq&j *{Vyt5 9.获取错误信息并到指定页面
C_o.d~xm HH+XEM P/g 不要使用Response.Redirect,而应该使用Server.Transfer
r\?*?sL EhoR. e.g
+{&g|V // in global.asax
F{S.f1Bsp protected void Application_Error(Object sender, EventArgs e) {
#v1 4"s Z} if (Server.GetLastError() is HttpUnhandledException)
uM$=v]e^4 Server.Transfer("MyErrorPage.aspx");
W\/0&H\i .x&>H //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
X9>ujgK }
wP'`!O[W gxiJ`.D= Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
sz5@= v%r! }s 10.清空Cookie
f/xBR"' Cookie.Expires=[DateTime];
IdM;N Response.Cookies("UserName").Expires = 0
\%(R~H S<44{
oH 11.自定义异常处理
;1WclQ!( //自定义异常处理类
gNJ\*]SY using System;
7G(X:! using System.Diagnostics;
+!rK4[W' b/)UN*~ namespace MyAppException
*Z(qk`e.b {
1*5n}cU~ /// <summary>
fw5AZvE6$ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
3!I8J:GZ: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
l[gL(p"W /// </summary>
&,+ZNA`P public class AppException:System.ApplicationException
'W)x<Iey1 {
%rYt; 7B public AppException()
mcvTz, ;= {
6%? NNEM if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Nt)9-\T }
t{ 'QMX a v/=x public AppException(string message)
GIp?}tM
{
VYO O8MQI LogEvent(message);
y]k`}&-~ }
HO'
HkVA *i|hcDk public AppException(string message,Exception innerException)
W`KkuQ4cM {
m{X;|-DK[ LogEvent(message);
w
^A0l.{ if (innerException != null)
M9M EQK {
e.Ii@< LogEvent(innerException.Message);
@{j-B
IRZ0 }
?r/7: }
aw~OvnX E Z@>>ZS1Do //日志记录类
fK[9<"PC0 using System;
;9rQN3J$gn using System.Configuration;
k[][Md2Vh using System.Diagnostics;
`g #\ Ws using System.IO;
E:7vm@+ using System.Text;
dJkTHmw using System.Threading;
f!87JE=< 4h|D[Cb] namespace MyEventLog
/g21.*Z {
\.{?TB /// <summary>
zMDR1/|D /// 事件日志记录类,提供事件日志记录支持
.UJk0%1 /// <remarks>
b{sFN! /// 定义了4个日志记录方法 (error, warning, info, trace)
q.*qZ\;K /// </remarks>
\]^|IViIQ /// </summary>
nC z[#t public class ApplicationLog
ym:JtI69 {
4;_.|!LN /// <summary>
r`lgK2r\ /// 将错误信息记录到Win2000/NT事件日志中
zX3O_ /// <param name="message">需要记录的文本信息</param>
8ciLzyrY* /// </summary>
UZV)A} public static void WriteError(String message)
Z:'2puU+? {
/8.; WriteLog(TraceLevel.Error, message);
;$nK
^ }
9,,1\0-T* 3#dUQ1qo6 /// <summary>
'oo]oeJ- /// 将警告信息记录到Win2000/NT事件日志中
v5&WW?IBQ /// <param name="message">需要记录的文本信息</param>
eudPp"Km /// </summary>
9t= erhUr public static void WriteWarning(String message)
n32?GRp {
4*'NpqC(_ WriteLog(TraceLevel.Warning, message);
<>-UPRwqI }
-i9/1.Z )p&xpB( /// <summary>
]J~5{srq: /// 将提示信息记录到Win2000/NT事件日志中
U9Y'eP.2 /// <param name="message">需要记录的文本信息</param>
B3K%V|;z
) /// </summary>
]SK (cfA` public static void WriteInfo(String message)
e{"d6pF= {
$UKDXQF" WriteLog(TraceLevel.Info, message);
|>VHV} 4)< }
qWo|LpxWt /// <summary>
b\}`L" /// 将跟踪信息记录到Win2000/NT事件日志中
"|f ; /// <param name="message">需要记录的文本信息</param>
e7<~[>g) /// </summary>
MEg|AhP public static void WriteTrace(String message)
9~a_^m/ {
g-6!+>w*>e WriteLog(TraceLevel.Verbose, message);
18a6i^7 }
|s|RJA1 ^c+6? /// <summary>
C}45ZI4 /// 格式化记录到事件日志的文本信息格式
Dt8eVWkN ~ /// <param name="ex">需要格式化的异常对象</param>
Y8Mo .v /// <param name="catchInfo">异常信息标题字符串.</param>
<&:3|2p /// <retvalue>
\@5W&Be^ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
N:=D@x~] /// </retvalue>
}P^{\SDX /// </summary>
H.'_NCF&;L public static String FormatException(Exception ex, String catchInfo)
Lc+)#9*d {
-6#i~a] StringBuilder strBuilder = new StringBuilder();
/Z\zB if (catchInfo != String.Empty)
I_v]^>Xw {
1298&C@ strBuilder.Append(catchInfo).Append("\r\n");
/K'Kx }
F*}b), strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
3<B{-z return strBuilder.ToString();
<;M 6s~ }
&u$l2hSS 2f F)I& /// <summary>
)-[X^l
j /// 实际事件日志写入方法
*,mbZE=< /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
u{8Wu; /// <param name="messageText">要记录的文本.</param>
aRfkJPPa[ /// </summary>
S&@~F| private static void WriteLog(TraceLevel level, String messageText)
6jom6/F 4 {
B,}%1+* try
0!xD+IA!8 {
(gz|6N EventLogEntryType LogEntryType;
~KEnZa0 switch (level)
U edh4qa {
D,]m7yFT case TraceLevel.Error:
&AA u: LogEntryType = EventLogEntryType.Error;
]5c| break;
gn7pIoN case TraceLevel.Warning:
76xgExOU?C LogEntryType = EventLogEntryType.Warning;
3vDV
break;
;9d(GP}eE case TraceLevel.Info:
.] 5&\ LogEntryType = EventLogEntryType.Information;
N\mV+f3A@, break;
+STT(b Mn case TraceLevel.Verbose:
:N(L7&< LogEntryType = EventLogEntryType.SuccessAudit;
v^JyVf> break;
%J3#4gG^v default:
B7va#'ne4{ LogEntryType = EventLogEntryType.SuccessAudit;
PE+N5n2Tl break;
eF!c<
Kcr }
;p1%KmK3 RDk{;VED{ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
F^KoEWj[H //写入事件日志
*9*6n\~aI eventLog.WriteEntry(messageText, LogEntryType);
">NBPanJ 'Zk&AD ~ }
rXvvJIbi catch {} //忽略任何异常
Ws}u4t }
foaNB=, } //class ApplicationLog
(iH5F9WO }
.GLotc {P(IA2J'S 12.Panel 横向滚动,纵向自动扩展
zaR~ fO <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
BwrMRMq" [K%Jt 13.回车转换成Tab
[JsQ/|=z <script language="javascript" for="document" event="onkeydown">
lLoFM if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
XgU]Ktl event.keyCode=9;
2=u5N[* </script>
KG)Y{-Ao *T*MLD]Q onkeydown="if(event.keyCode==13) event.keyCode=9"
H|==i2V{ ]'MLy#9 14.DataGrid超级连接列
*(s)CWf DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Wv$e/N`l Aln\:1MU 15.DataGrid行随鼠标变色
T3Qa[>+\ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B3e{'14 {
q48V|6X'q if (e.Item.ItemType!=ListItemType.Header)
6d` 6=D: {
7_n@iUG2n e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
?zKDPBj
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
*}cF]8c5W }
L@9"6& }
hZ5h(CQ?"# Bu*ge~ 16.模板列
Fp|x,- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
m>:3Ku <ITEMTEMPLATE>
(H0nO7Bk <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"P'W@ </ITEMTEMPLATE>
cMIQbBM </ASP:TEMPLATECOLUMN>
G)iV "VB-=. A <ASP:TEMPLATECOLUMN headertext="选中">
FG1$_zN | <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
_K8ob8)m <ITEMTEMPLATE>
PtwE[YDu <ASP:CHECKBOX id="chkExport" runat="server" />
:W 8DgL>l </ITEMTEMPLATE>
B?$pIG^Mn <EDITITEMTEMPLATE>
YM/^-[k3 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
gey`HhZp) </EDITITEMTEMPLATE>
s3Y
\,9\ </ASP:TEMPLATECOLUMN>
|'b=xeH.^< jW"C: {Ol; 后台代码
NA !;#! protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
D 0\
{
jvCk+n[ //改变列的选定,实现全选或全不选。
UACWs3`s+ CheckBox chkExport ;
/|P&{! if( CheckAll.Checked)
>Ix)jSNLgo {
)!e-5O49r foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2Cj?k.Zk {
6*{N{]`WZ) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}"2
0: chkExport.Checked = true;
\<]nv}1O }
hA/K>Z }
sGc4^Z%l? else
n\ZDI+X {
r8}GiP0| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
RWz^
MV5K {
*GTCVxu chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
v.c2(w/P chkExport.Checked = false;
IH'DCY: }
DU|0#z=*t5 }
A#f@0W: }
Tr-gdX ; XW%!#S&;X 17.数字格式化
khyn4
w<tr<Pu' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
pEw &i <%#Container.DataItem("price","{0:¥#,##0.00}")%>
RiIJ#:6+^I Ck/4hZ int i=123456;
Ti=~y cwi string s=i.ToString("###,###.00");
\:'=ccf U;LbP-{B 18.日期格式化
NUX0=(k #xNLr 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ZS4lb=)G { P&l` 显示为: 2004-8-11 19:44:28
LTm2B_+ .UU BAyjm 我只想要:2004-8-11 】
oZA?}#DRl <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
'/Hx0]V ix=HLF-0zC 应该如何改?
@c9VCG D (B}+uI{ 【格式化日期】
!dv CY<,p$ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
ez"Xb 7 Z1wN+Y.CA 【日期的验证表达式】
oL2|@WNj, o=X6PoJN_ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
{]n5h#c 5* ^((\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})))?$
@K7#}7,t U:M?Ji5CY B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
/0uZ(F|>I ^\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]))$
#e((F,1z Mp:tcy,* 【大小写转换】
weEmUw Z HttpUtility.HtmlEncode(string);
rLw,? HttpUtility.HtmlDecode(string)
Ont4-AP
9_n!.zA< 19.如何设定全局变量
i<YatW~Pu |-bSoq7t Global.asax中
cP'' >t<FG2 Application_Start()事件中
c8v+eyn IX7< 添加Application[属性名] = xxx;
P%]li`56-c
!NUsfd 就是你的全局变量
Rf+ogLa= %`t;5kmR 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
@V
Bv}Jo ]!E|5=q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
^z-e" hw:zak#j, 【ASPNETMENU】点击菜单项弹出新窗口
559znM= ==F[5]? 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
R%Gh4y\nF <?xml version="1.0" encoding="GB2312"?>
RX P 0
4 <MenuData ImagesBaseURL="images/">
(Eq0 |"cj <MenuGroup>
: |#Iw <MenuItem Label="内参信息" URL="Infomation.aspx" >
q+>J'UGb <MenuGroup ID="BBC">
%=xR$<D <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
o$FqMRep
<MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)q&=x2` ......
s?@{ HF"
v
\ 最好将你的aspnetmenu升级到1.2版
a;|C51GH 7SE\(K=<% 21.读取DataGrid控件TextBox值
I83ZN] foreach(DataGrid dgi in yourDataGrid.Items)
#/Y t4n {
AF g* TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
vz</|s tb.Text....
O4ciD1 }
B @H.O! , |CT|2D> 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?
rR@ t5 ,F`:4=H% 〖思归〗
{}H5%W <asp:TemplateColumn HeaderText="数量">
In#V1[io <ItemTemplate>
W'hE, <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
zM%ILv4 onkeyup="javascript:DoCal()"
Wky=]C% />
.?UK`O2Q vE0Ty9OH"] <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
m=b~Wf39 </ItemTemplate>
lG;RfDI- </asp:TemplateColumn>
X3vTyIsn uvz}qH@j/Q <asp:TemplateColumn HeaderText="单价">
V'sp6:3*\ <ItemTemplate>
??5qR8n. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
g^OU+7o onkeyup="javascript:DoCal()"
8aQ\Yx />
Pou-AzEP$ F2WUG <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
)T/"QF}<T {y0#(8-& </ItemTemplate>
`X'-4/Y </asp:TemplateColumn>
!Sx}~XB< B.vg2N <asp:TemplateColumn HeaderText="金额">
:j)H;@[I <ItemTemplate>
S^?
@vj <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
jFf2( AR </ItemTemplate>
( >zXapb2 </asp:TemplateColumn><script language="javascript">
/bv`_> function DoCal()
-H5n>j0!{ {
Wu(6FQ`H var e = event.srcElement;
-&I%=0q var row = e.parentNode.parentNode;
w-*$gk] var txts = row.all.tags("INPUT");
4SIi<cS0 if (!txts.length || txts.length < 3)
R}IMX9M= return;
Wly-z$\ mO;X>~K var q = txts[txts.length-3].value;
t<mT=(zt* var p = txts[txts.length-2].value;
t$^1A1Ef Q]9H9?}N? if (isNaN(q) || isNaN(p))
fz#e4+oH return;
R
h zf.kp "vQ$RW
- q = parseInt(q);
O3WhO@`6) p = parseFloat(p);
0Aw.aQ~E8i zc>/1>?M txts[txts.length-1].value = (q * p).toFixed(2);
0Po",\^ }
4vKp341B </script>
Bh$hgf.C 0i/l2&x*k] R L7OFfMe %m$TV@ Cg<:C?>!p 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
Rs,\{# page_load
25]Mi2_ page.smartNavigation=true
(dn(:<_$ dmI,+hHtL 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 ?
;S5*n:d private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
h^h,4H\r {
A@-nn] for(int i=0;i<e.Item.Cells.Count-1;i++)
~?4'{Hc' if(e.Item.ItemType==ListItemType.EditType)
l&2A]5C {
5RCQ<1 e.Item.Cells.Attributes.Add("Width", "80px")
c'B6E1}sx }
v1%rlP }
)X2=x^u*U ;Nf5,D.D 26.对话框
rt)70= private static string ScriptBegin = "<script language=\"JavaScript\">";
&^$dHr6v private static string ScriptEnd = "</script>";
fr
kDf-P Sd/?xyF1( public static void ConfirmMessageBox(string PageTarget,string Content)
zBD ?O! {
T;K,.a8bU string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
rM<|<6(L m-9{@kgAM? ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
EEFM1asJf E/z^~;KA Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
~H!s{$.5 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
'0)a|1, //Response.Write(strScript);
,{P*ZK3u }
#s'9Ydd Wh6jr=>G 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
d7s? c WtOpxAq 1.1 取当前年月日时分秒
k4r;t: O ^ currentTime=System.DateTime.Now;
dYV'< S~fUR n 1.2 取当前年
!i=LQUi. int 年= DateTime.Now.Year;
8?#4<4Ql8 Kcv7C{-/ 1.3 取当前月
SRs1t6&y= int 月= DateTime.Now.Month;
=c>2d.^l 6p`AdDV 1.4 取当前日
;/?M&rX int 日= DateTime.Now.Day;
2>BWu )7@f{E#w 1.5 取当前时
Lt>"R! "x int 时= DateTime.Now.Hour;
d\&{Ev9v o}H7;v8H 1.6 取当前分
`F5iZWW1 int 分= DateTime.Now.Minute;
8sb<$M$c #G2~#\ 1.7 取当前秒
(#x<qi,T int 秒= DateTime.Now.Second;
.w=( G Y/cnj n 1.8 取当前毫秒
HnU; N S3J int 毫秒= DateTime.Now.Millisecond;
(3 xCW
;mH O# 28.自定义分页代码:
<>JN3? NFq&a i 先定义变量 :
*6D0>F public static int pageCount; //总页面数
_aa3;kT_ public static int curPageIndex=1; //当前页面
1|$V [iVCorU 下一页:
'q%56WAJ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
pleLdGq {
xL8r'gV@ DataGrid1.CurrentPageIndex += 1;
6UK{0\0 curPageIndex+=1;
mYLqT$t.+ }
`B6~KZ h8@8Qw bind(); // DataGrid1数据绑定函数
2Zt :]be e~]3/ 0 上一页:
Za68V/Vj if(DataGrid1.CurrentPageIndex >0)
N~7xj? {
+oa\'.~? DataGrid1.CurrentPageIndex += 1;
,#&\1Vxf curPageIndex-=1;
'.Iz*%" }
hTgWqp (iub \` bind(); // DataGrid1数据绑定函数
?+#|h;M8 a@(4X/| 直接页面跳转:
z}I =: int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$:IOoS|e ~ [L4,q if(a<DataGrid1.PageCount)
_BGw)Z 6 {
`x=W)o
} this.DataGrid1.CurrentPageIndex=a;
zbQ-l1E }
h^_Sd"l3 2R9AYI bind();
533n
z8&9@ E"d\N-I 29.DataGrid使用:
_<tWy+. :|cC7,S 添加删除确认:
X(sHFVU+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
irj{Or^k {
g/Q"%GN, foreach(DataGridItem di in this.DataGrid1.Items)
5(BB`) {
q@K8,=/.# if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
!RX\">z {
05=
$Dnv ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/{Ff)<Q.Z }
I5EKS0MQ! }
8!8 yA }
)1 ]P4 4n6EkTa 样式交替:
/ZC/yGdIS_ ListItemType itemType = e.Item.ItemType;
-L%J,f[&, qKoD*cl)Za if (itemType == ListItemType.Item )
Uc
oVp}vl {
kLc}a5; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
%eJolztKZ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
,H6*9!Dv2 }
6z;C~_BV else if( itemType == ListItemType.AlternatingItem)
u!kC+0Y {
I*,!zym e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
tBR"sBiws e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
V>"nAh]}. }
;. jnRPo"; [[uKakp
添加一个编号列:
VVY#g%(K DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
)_[eqr DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
>K]s)VuWR 'Xj9sAB for(int i=0;i<dt.Rows.Count;i++)
&f12Q&jY7 {
w-f[h dt.Rows["number"]=(i+1).ToString();
M0Eq
7:Ba }
)6K Q"* DH7B4P DataGrid1.DataSource=dt;
""AP-7 DataGrid1.DataBind();
Q[g>ee S
b0p? DataGrid1中添加一个CheckBox,页面中添加一个全选框
,'=Tf=wq private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
CM$q{;y {
3&H#LGoV$ foreach(DataGridItem thisitem in DataGrid1.Items)
LjZvWts? {
4sU*UePr ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
j?!BHNs }
I~:v X^%9 }
rByC6HV" -e#~CE- 将当前页面中DataGrid1显示的数据全部删除
pwj ? foreach(DataGridItem thisitem in DataGrid1.Items)
w5j6RQml {
#&Xr2?E@ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Y&vn`# {
RM^3Snd=V string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H{XbKLU Del (strloginid); //删除函数
BGk>:Z` }
P''5A6#5 }
:.;pRz 4J #F;#iA 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)
+y%"[6c| <d2?A}< 在Application_Start中添加以下代码:
(~C_zG Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
W6N3u7mrb AppSettings["ConnStr"].ToString();
WCa>~dF> j$2rU' 31. 变量.ToString()
}>)e~\Tdzb kzMul<>sl 字符型转换 转为字符串
%[1\d) 12345.ToString("n"); //生成 12,345.00
^]x%z*6 12345.ToString("C"); //生成 ¥12,345.00
zDEX `~c 12345.ToString("e"); //生成 1.234500e+004
J<p.J3I 12345.ToString("f4"); //生成 12345.0000
*$U+ 12345.ToString("x"); //生成 3039 (16进制)
87QK&S\ 12345.ToString("p"); //生成 1,234,500.00%
7'c ;$~ +I>u${sVx* 32、变量.Substring(参数1,参数2);
uc.dtq! U[4Xo&` 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);
hxwo<wEg B=0U^wL 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)
Z%h _g-C <SCRIPT language="javascript">
A&HN7C%X <!--
hDO\Q7 function gook(pws)
Vrwy+o>:X {
-4rXOmiA frm.submit();
:v=^-&t }
n*'i{P] //-->
]4{ )VXod Y]zy=8q </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
DC&3=Nd <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
pQQN8Y~^Y <tr>
<)hA?3J <td>
{ylY"FA <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
}01c7/DRP< <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
dC&OjBQ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
qh|t}#DrR we4k VAn <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
!ucHLo3: <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
`"7}'| 7P+qPcRaP </td>
h/)kd3$*' *3uBS2Ld </tr>
>
whcZ.8 %anY'GK </form>
fU6O: - {Xw6]d 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。
{D6p?TL+ (D\7EH\9,] 下面是获取用户输入的登陆信息的代码:
n@TK}?\UoR string name;
Su4&qY name=Request.QueryString["EmailName"];
Aof)WKo QR ?JN\%? try
nrhzNW>] {
|S0w>VH> int a=name.IndexOf("@",0,name.Length);
QLs9W&PG f_user.Value=name.Substring(0,a);
0XcH f_domain.Value=name.Substring(a+1,name.Length-(a+1));
n7|8`?R^ f_pass.Value=Request.QueryString["Psw"];
p)u?x)w= }
Po)!vL"
j&(Yk"j+ catch
I pp#{'Do {
P{bRRn4Z Script.Alert("错误的邮箱!");
|41NRGgY Server.Transfer("index.aspx");
$wr B5m? }