1. 打开新的窗口并传送参数:
@yo6w}3+- ;dPaWS1D
传送参数:
U!NuiKaQ26 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
zXD/hM h8X[*Wme 接收参数:
XwFTAaZ string a = Request.QueryString("id");
bv VkN string b = Request.QueryString("id1");
b$yIM -DK6(<:0 2.为按钮添加对话框
%P D}VF/Y Button1.Attributes.Add("onclick","return confirm(’确认?’)");
e ^oGiL~ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
9!FU,4 X KJ:z\N8eo 3.删除表格选定记录
yjsj+K
pL int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
"{ \xBX~oM string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
{Wi*B( H6{Bx2J1* 4.删除表格记录警告
'&e8;X private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
FvY=!U06 {
|'z24 :8 switch(e.Item.ItemType)
{@F'BB\ {
= pn;b1= case ListItemType.Item :
7B=VH r case ListItemType.AlternatingItem :
zjh:jrv~ case ListItemType.EditItem:
WMC\J(@. TableCell myTableCell;
T0Xm}i myTableCell = e.Item.Cells[14];
;i\N!T{> LinkButton myDeleteButton ;
^2);*X> myDeleteButton = (LinkButton)myTableCell.Controls[0];
GcDA0%i myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Hqs!L`oW) break;
9cHo~F|ur default:
Rk7F;2 break;
K1^7v}P }
w^Yo)"6 Vjs'|%P7 }
{kw%7}! ~\<$H' 5.点击表格行链接另一页
}I-nT!D'y private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3}!u8,P {
"w%:5~u9 //点击表格打开
pS|K[:5 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;N?(R\*8 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
|9=A"092{ }
&+&@;2 LRts
W(A/ 双击表格连接到另一页
!^&VZh #>("(euXMF 在itemDataBind事件中
f}"eN/T if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
bm 4RRI {
Y!_{:2H8p string OrderItemID =e.item.cells[1].Text;
PPH;'!>s" ...
/ Ws>;0 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Sc/l.]k+ }
u*):
D~A W#~7X 双击表格打开新一页
kl]MP}wc if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'~Cn+xf4] {
)v_v 7 ~H& string OrderItemID =e.item.cells[1].Text;
,}&TZkN{- ...
%4),P(4N e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
YI
?P@y }
eA86~M?<o Rx&O}>"E>l ★特别注意:【?id=】 处不能为 【?id =】
Er%&y 6.表格超连接列传递参数
Y(bB7tR <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
r'j88)^ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
2H}y1bkW \fUX_0k9, 7.表格点击改变颜色
z4Zm% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n0T|U {
in/~' u e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
w~)tEN> this.style.color=’buttontext’;this.style.cursor=’default’;");
)xccs'H }
JJ7A`
; \c4jGJ 写在DataGrid的_ItemDataBound里
Q5T3 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
d\nXK#)Q {
vRe X7 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
QMz =e this.style.color=’buttontext’;this.style.cursor=’default’;");
c0'ryS_Z9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
D<d,9 S,) }
]sqLGmUL 4r7F8*z rAfz? 8.关于日期格式
y;Cs#eo F`m}RL]g 日期格式设定
o=_7KWOA DataFormatString="{0:yyyy-MM-dd}"
-yBKA]"<I &H%/.4la 我觉得应该在itembound事件中
! e$ZOYe e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
{%G9iOV. PXYLLX\3 9.获取错误信息并到指定页面
sWte& Z::I3 Q 不要使用Response.Redirect,而应该使用Server.Transfer
O^`EuaL 0S$k;q e.g
];hqI O#nM // in global.asax
TLVsTM8P protected void Application_Error(Object sender, EventArgs e) {
t&?{+?p:
9 if (Server.GetLastError() is HttpUnhandledException)
'*mZ/O- Server.Transfer("MyErrorPage.aspx");
qWheoyAB 2I [zV7 @t //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
`
= O }
wQUl!s7M; &&9|;0< 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
NOQ^HEi x)Bbo9J 10.清空Cookie
;&O?4?@4 Cookie.Expires=[DateTime];
2P^|juc)sU Response.Cookies("UserName").Expires = 0
s{Qae=$Q kEnGr6e 11.自定义异常处理
up'`)s' //自定义异常处理类
wK-VA$;: using System;
__'4Qt using System.Diagnostics;
uL^; i"" @d0f +9d namespace MyAppException
7/IL"
D {
Q}@t' /// <summary>
xyL)'C /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{WrEe7dLy /// 自动将异常内容记录到Windows NT/2000的应用程序日志
0fXMY-$I /// </summary>
NUYKMo1ze public class AppException:System.ApplicationException
G-T^1? {
* )<+u~ public AppException()
8F8?1 {
S[3"?$3S if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
q7Hf7^a }
_x<NGIz g77M5(ME public AppException(string message)
sQ#e 2 {
=0d|F
8 LogEvent(message);
n8<?<-2 }
9)1Ye dYrgL3' public AppException(string message,Exception innerException)
ud`-w {
z;>$["t]6 LogEvent(message);
C*b[J if (innerException != null)
*uyP+f2O {
X6G{.Vh" LogEvent(innerException.Message);
]qT&6:;-] }
U<w8jVE }
t|>zke!' s;9Du|0f^ //日志记录类
=4eJ@EVM using System;
7yfh4-1M using System.Configuration;
!l0]IX`
F using System.Diagnostics;
Jx.fDVJ using System.IO;
am]M2+,2Ip using System.Text;
3@I0j/1#k1 using System.Threading;
nU>P%|loXx pNb2t/8%% namespace MyEventLog
Sk|e#{ {
HJAiQ[m5s /// <summary>
R7Y_ 7@p /// 事件日志记录类,提供事件日志记录支持
x8rg/y /// <remarks>
=:s`C,l.4 /// 定义了4个日志记录方法 (error, warning, info, trace)
WT ;2aS: /// </remarks>
SUUNC06V /// </summary>
o4kLgY !Q public class ApplicationLog
=%7drBo D {
nXRa_M(z8 /// <summary>
|X8?B= /// 将错误信息记录到Win2000/NT事件日志中
k)n
b<JW|r /// <param name="message">需要记录的文本信息</param>
skcyLIb /// </summary>
*,$5EN public static void WriteError(String message)
>8(i;)(3 {
&!CVF WriteLog(TraceLevel.Error, message);
754MQK|g }
WY!\^| , g{yw&q[B= /// <summary>
5)%ahmY /// 将警告信息记录到Win2000/NT事件日志中
U*r54AyP /// <param name="message">需要记录的文本信息</param>
7{F\b /// </summary>
R!j # public static void WriteWarning(String message)
OZxJDg {
>)ekb7 WriteLog(TraceLevel.Warning, message);
q~R8<G%YK }
[;z\bV<S *<xu3){:c /// <summary>
uslu-|b!% /// 将提示信息记录到Win2000/NT事件日志中
"@nH;Xlq /// <param name="message">需要记录的文本信息</param>
e-ta 7R4 /// </summary>
-"I$$C public static void WriteInfo(String message)
jhm3:;Z {
c#N4XsG, WriteLog(TraceLevel.Info, message);
"#O9ij }
d&NnpjH}c /// <summary>
ynIC (t /// 将跟踪信息记录到Win2000/NT事件日志中
Q ]CMm2L^f /// <param name="message">需要记录的文本信息</param>
B"&-) ( /// </summary>
K<J,n!zc public static void WriteTrace(String message)
U80=f2 {
,j*9 ) WriteLog(TraceLevel.Verbose, message);
i=Qy?aU? }
WEj{2+ J 4gtm"2) /// <summary>
uy
hh"[ /// 格式化记录到事件日志的文本信息格式
{ ^dq7! /// <param name="ex">需要格式化的异常对象</param>
U4!KO;Jc /// <param name="catchInfo">异常信息标题字符串.</param>
xfb .Z( /// <retvalue>
>.Gmu /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
uBRlvNJ /// </retvalue>
_c>ww<*3 /// </summary>
+LRKS public static String FormatException(Exception ex, String catchInfo)
be8T<F {
0/su` StringBuilder strBuilder = new StringBuilder();
dC({B3#e{ if (catchInfo != String.Empty)
qf x*a88 {
sGu.G strBuilder.Append(catchInfo).Append("\r\n");
PGP#$JC }
O6G\0o strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
I<D#
return strBuilder.ToString();
K
";Et }
;g!rc#z2g dkw.o.e /// <summary>
aoey
5hts /// 实际事件日志写入方法
<,)R`90_X6 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
bh.&vp.kP /// <param name="messageText">要记录的文本.</param>
UOZ+&DL,L /// </summary>
V~dhTdQ5} private static void WriteLog(TraceLevel level, String messageText)
[q?RJmB] {
&4-;;h\H try
8 MO-QO {
#'Y lO-C EventLogEntryType LogEntryType;
?9\D(V switch (level)
/2?
CB\ {
gE6'A case TraceLevel.Error:
Jo {:]: LogEntryType = EventLogEntryType.Error;
r'*$'QY-N break;
?/o 8f7Z case TraceLevel.Warning:
w,p'$WC* LogEntryType = EventLogEntryType.Warning;
R&Lqaek&W break;
mWv$eR case TraceLevel.Info:
KkCGL*]K LogEntryType = EventLogEntryType.Information;
|cU75
S 1 break;
C<D$Y,[w case TraceLevel.Verbose:
`<nxXsLe LogEntryType = EventLogEntryType.SuccessAudit;
gq?7O< break;
fd
)v{OC default:
2f[;U" LogEntryType = EventLogEntryType.SuccessAudit;
WLl8oE<X break;
M@xU59$@ }
C+TB>~Gv` Y%?S:&GH EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Cy[G7A% //写入事件日志
p*b_"aF 1 eventLog.WriteEntry(messageText, LogEntryType);
~X3g_<b_8 F}}!e.>c }
#yH+ENp0
catch {} //忽略任何异常
tDRR 3=9pX }
]6e(-v!U } //class ApplicationLog
i#la'ICwJ }
WutPy_L< 6nL^"3@S! 12.Panel 横向滚动,纵向自动扩展
H{Ewj_L <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
v@=qVwX /JS_gr@DK 13.回车转换成Tab
S9Sgd&a9 <script language="javascript" for="document" event="onkeydown">
P PJ^;s if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p^8a<e?f~f event.keyCode=9;
xxur4@p! </script>
8oJl ] [#Qf#T%5h onkeydown="if(event.keyCode==13) event.keyCode=9"
;U=b6xE G[>NP#P 14.DataGrid超级连接列
u+j\PWOtm DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"9_$7.q<y 3:iEt (iCI 15.DataGrid行随鼠标变色
S"&Gutu3o private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>`AK'K8{M {
PuJ3#H
T if (e.Item.ItemType!=ListItemType.Header)
%+l95Dv1 {
)k Wxp e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~z:]rgX e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
+0&^.N }
T]%-Ri }
Y!L-5|G
t1hQ0 B 16.模板列
{5B j*m5 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
q}t]lD
%C <ITEMTEMPLATE>
@:?[R&` <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d^=)n-!T </ITEMTEMPLATE>
tu}!:5xi </ASP:TEMPLATECOLUMN>
xE8?%N U #^L&H
oo6 <ASP:TEMPLATECOLUMN headertext="选中">
vxZ'-&;t <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
V[(fE=cIN~ <ITEMTEMPLATE>
'W(u. <ASP:CHECKBOX id="chkExport" runat="server" />
xq((]5P y </ITEMTEMPLATE>
jC'h54,Mr <EDITITEMTEMPLATE>
]AYP\\Xi <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
wY<s </EDITITEMTEMPLATE>
8JY0]G6 </ASP:TEMPLATECOLUMN>
)NZH{G v Z9OJrF 后台代码
WK6,K92 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
-zFJ)!/? {
y$%oR6K7- //改变列的选定,实现全选或全不选。
2p&$bft CheckBox chkExport ;
@*y4uI6& if( CheckAll.Checked)
[`@M!G. {
7su2A>Ix foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
qTJ0}F {
M#gxiN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
DO(};R%= chkExport.Checked = true;
8_}t,BC }
oMEW5.VX }
0''p29 else
`0qjaC {
A1prYD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
s6~;)(r {
}? _KZ)
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
SZW_V6\t> chkExport.Checked = false;
VNTbjn]
}
><}nZ7 }
7Vy_Cec1 }
u1 Q;M`+> +ALrHFG 17.数字格式化
jkL=JAcf~ bJIYe ld 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
q5_zsUR= <%#Container.DataItem("price","{0:¥#,##0.00}")%>
:XhF:c[.: Es+I]o0K int i=123456;
-W9DH^EL< string s=i.ToString("###,###.00");
Nud =K'P= 1\fx57a\ 18.日期格式化
)YAa7\Od vcFR Td 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
)Dz]Pv]H' ym|7i9 显示为: 2004-8-11 19:44:28
L?/AKg S=,czs3N 我只想要:2004-8-11 】
l6bY!I> <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
x:Q\pZ !\7M7 应该如何改?
~6;I"0b5 3`&FXgo 【格式化日期】
rp4D_80q R0qZxoo 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
C$[iduS $0 .6No_| 【日期的验证表达式】
uLzE'ZmV JPZp*5c6A A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
iHhdoY[] ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
]R""L<K%HF P*!`AWn B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
JH\:9B+:L ^\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]))$
2A\b-;4EP r<ww%2HTS 【大小写转换】
LL
e*|: HttpUtility.HtmlEncode(string);
p/(Z2N" HttpUtility.HtmlDecode(string)
#$Zx ].[lc p? L%' 19.如何设定全局变量
(e'8>Pv RTh=x. Global.asax中
:2KHiT5 =H)]HxEEM Application_Start()事件中
d'96$e o~ /''=V.-N 添加Application[属性名] = xxx;
f!kZyD7 )l`Ks 就是你的全局变量
+A?P 4}
skl3/! 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
vSHPN|* d3q%[[@ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
xmnBG4,f F:m6Mf7L 【ASPNETMENU】点击菜单项弹出新窗口
D=^&?@k< *1EmK.-'u 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
_$R=F/88 <?xml version="1.0" encoding="GB2312"?>
>h8m)Q <MenuData ImagesBaseURL="images/">
y!1X3X,V <MenuGroup>
Jpduk&u <MenuItem Label="内参信息" URL="Infomation.aspx" >
b3%x&H<j <MenuGroup ID="BBC">
MZ}0.KmaZ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
T*/I4" <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
r{.pXf ......
j;.P B}TY+@ 最好将你的aspnetmenu升级到1.2版
i6HRG\9nU ~qqxHymc 21.读取DataGrid控件TextBox值
e$s&B!qJ foreach(DataGrid dgi in yourDataGrid.Items)
XnP?hw% {
Z5v_- +K TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
8p 4[:M@ tb.Text....
1*p6UR& }
=
zmxki >fYcr#i0[ 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?
(Huvo9 ]<<,{IQ 〖思归〗
v'?Smd1v
/ <asp:TemplateColumn HeaderText="数量">
9KX% O-' <ItemTemplate>
B(M-;F <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
`F/R:!v onkeyup="javascript:DoCal()"
bIGcszWr />
-m}'I8 [RKk-8I <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ufk2zL8y </ItemTemplate>
(qFZF7(Xa </asp:TemplateColumn>
Lan|(!aW t)j$lmQn <asp:TemplateColumn HeaderText="单价">
P-B5-Nz <ItemTemplate>
R|*0_!O:[ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
CtMqE+j^ onkeyup="javascript:DoCal()"
h
F +aL />
{xg=Ym) We$
n <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
:PBFFLe ,G0"T~ </ItemTemplate>
wKi#5k2 </asp:TemplateColumn>
^S`hKv&87 2n3&uvf'TL <asp:TemplateColumn HeaderText="金额">
)!0}<_2 <ItemTemplate>
I;rW!Hb <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
B0yJ9U= Fj </ItemTemplate>
C5^WJx[ </asp:TemplateColumn><script language="javascript">
q>(?Z#sB function DoCal()
lt-3OcC {
)&T 5/+ var e = event.srcElement;
FDgo6x var row = e.parentNode.parentNode;
t#(=$ var txts = row.all.tags("INPUT");
m
Z
+dr[ if (!txts.length || txts.length < 3)
EHq;eF return;
HXT"&c| -6J <{1V var q = txts[txts.length-3].value;
MUbKlX var p = txts[txts.length-2].value;
3:xx:Jt <O=0 ^V if (isNaN(q) || isNaN(p))
l|
uiC%T return;
Rw
`ezC#
[{2v} q = parseInt(q);
mTsyVji8 p = parseFloat(p);
v76P?[ `^/8dIya txts[txts.length-1].value = (q * p).toFixed(2);
Ub
f5: }
P<X? </script>
Khd A;bF *g*"bi* +pgHCzwJE ^[SW07o~ aPlEM_escS 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。
uxn+.fA page_load
mC@v," page.smartNavigation=true
Gjeb)Y6N g"" 1\rc= 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 ?
MJX4;nbl private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
??aO3Vm{ {
QlvP[Jtr for(int i=0;i<e.Item.Cells.Count-1;i++)
BPv+gx(>k if(e.Item.ItemType==ListItemType.EditType)
Q&PWW#D {
(z8ZCyq7r[ e.Item.Cells.Attributes.Add("Width", "80px")
vcj(=\
e8v }
!i8)si_ }
qN1fWU#$ rD21:1s 26.对话框
i/*)1;xsk private static string ScriptBegin = "<script language=\"JavaScript\">";
dH5*% private static string ScriptEnd = "</script>";
syLdm3d| <gi~:%T public static void ConfirmMessageBox(string PageTarget,string Content)
:Ni#XZ{F-/ {
cQ<|Of string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
9Vq
;UXV!8SM ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
h8O\sKn u(3 uZ: Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
XK\nOHLS ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
!pU^?Hy= //Response.Write(strScript);
l'4 <^q }
>Z*b0j ZDaHR-%Y 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
d)U(XiK' | eCVq(R 1.1 取当前年月日时分秒
UTE6U6 currentTime=System.DateTime.Now;
j~Fd8]@ [Y!HQ9^LEp 1.2 取当前年
XM5)|D int 年= DateTime.Now.Year;
(PH7nW7 W=EcbH9/.) 1.3 取当前月
5Q%)|(U' int 月= DateTime.Now.Month;
U"|1@W# uQbag]&j 1.4 取当前日
;;i419 int 日= DateTime.Now.Day;
m$W2E.-$'# zQ:nL*X'Z" 1.5 取当前时
zmZU"eWp) int 时= DateTime.Now.Hour;
p:b{>lM qF^P\cD 1.6 取当前分
HOu$14g int 分= DateTime.Now.Minute;
h
#gI1(uL +C;;4s) 1.7 取当前秒
.9Oj+:n int 秒= DateTime.Now.Second;
d, g~.iS~ %pWJ2J@ 1.8 取当前毫秒
}R}M>^(R4 int 毫秒= DateTime.Now.Millisecond;
6oQ7u90z* O[$X36z 28.自定义分页代码:
n~
$S aC=2v7* 先定义变量 :
!Z>,dN public static int pageCount; //总页面数
NUb$PT public static int curPageIndex=1; //当前页面
bA0H ORKJy)*" 下一页:
QqF*SaO> if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
zqU$V~5;rG {
}\H. G DataGrid1.CurrentPageIndex += 1;
SJ22 curPageIndex+=1;
cM9>V2:P }
<,p$eQ)T% #O~pf[[L bind(); // DataGrid1数据绑定函数
yn+m,K/ xcl;~"c* 上一页:
6(?@B^S>2 if(DataGrid1.CurrentPageIndex >0)
82r{V:NCK) {
!7~4`D
c6U DataGrid1.CurrentPageIndex += 1;
%.Btf3y~ curPageIndex-=1;
2vB,{/GXP }
GD}rsBQNkJ 8?m=Vw<kIZ bind(); // DataGrid1数据绑定函数
ubZuvWZ 'HfI~wN 直接页面跳转:
lMW6D0^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
?$;&DoE 7}\AhQ, S if(a<DataGrid1.PageCount)
[-#1;!k {
OY|9V this.DataGrid1.CurrentPageIndex=a;
)40YA\V }
YH%U$eS#g 9`/ywt3Y bind();
;7E"@b,tPN G,Yctv 29.DataGrid使用:
t:lDFv4s QHje} 添加删除确认:
$B>L_~cS private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E{-pkqx {
f]2gjQHM foreach(DataGridItem di in this.DataGrid1.Items)
zN9@.!?X2 {
MwD+'5
if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
&{WEtaXaa {
7 v3%dCvf ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
aB G* }
J+0
?e9 }
M{u 7Ef }
`m_fi S=<
]u 样式交替:
2.j0pg . ListItemType itemType = e.Item.ItemType;
;CL^2{ 8zeD%Uv if (itemType == ListItemType.Item )
V#1v5mWVx {
LM"b% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
26_PFHQu4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;$!0pxL)s }
)i39'0a else if( itemType == ListItemType.AlternatingItem)
R. ryy {
Lrx"Hn{ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}
-hH2 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
\sVzBHy d }
EG=U](8T },5LrX`L 添加一个编号列:
[A!=Hv_$ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
H lFVc DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
{![E)~ bDw\;bnG for(int i=0;i<dt.Rows.Count;i++)
|QH )A {
z} VCiS0 dt.Rows["number"]=(i+1).ToString();
B%[#["Ol }
u4=ulgi ;rCCkA6 DataGrid1.DataSource=dt;
V^9%+L+E5 DataGrid1.DataBind();
~te{9/ /oM&29 jy DataGrid1中添加一个CheckBox,页面中添加一个全选框
~fgS"F^7n private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
2I4G=jM[ {
b;mpZ|T. foreach(DataGridItem thisitem in DataGrid1.Items)
WIwGw %_~ {
X~; *zYd5 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
;P|v'NNI }
l_q1h]/
}
2)^T[zHe giddM2' 将当前页面中DataGrid1显示的数据全部删除
OJcI0(G foreach(DataGridItem thisitem in DataGrid1.Items)
g;3<oI/P {
&19z|Id if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
ON_GD" {
]=0D~3o3 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
'_=XfTF Del (strloginid); //删除函数
!Nhq)i }
b{e|~v6& }
|TBKsx8 v}z{OB 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)
}<P%W~ 6ozBU^n 在Application_Start中添加以下代码:
zpxyX| Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?v@q& AppSettings["ConnStr"].ToString();
N;,N6&veK/ 6^p>f:5 31. 变量.ToString()
v".u#G'u n-lDE}K9%B 字符型转换 转为字符串
$J:~jY/J 12345.ToString("n"); //生成 12,345.00
!. ={p8X-x 12345.ToString("C"); //生成 ¥12,345.00
CH h6Mnw 12345.ToString("e"); //生成 1.234500e+004
vr>Rd{dm 12345.ToString("f4"); //生成 12345.0000
dNs<`2m 12345.ToString("x"); //生成 3039 (16进制)
KI<Vvcm 12345.ToString("p"); //生成 1,234,500.00%
BtWm ZaKi j\@|oW0 32、变量.Substring(参数1,参数2);
hRN>]e,! $qg5m,1? 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
1tQZyHc42; lG fO 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
)bi*y`UM] <SCRIPT language="javascript">
@hl5^d"l <!--
u"X8(\pOn function gook(pws)
>@h0@N {
(;~[}" frm.submit();
s8@f Z4 }
Be8Gx //-->
@8n0GCv Tk.MtIs)V} </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Q}\,7l <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
7 &GhJ^Ku <tr>
&rcr])jg[ <td>
W
86S)+h <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
'qQDM_+ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
+vDT^|2SF <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
s:I^AL5 -uy}]s5Qu <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
yq6!8OkF <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
F[RhuNa&'W (:Bo'q
S </td>
2rPKZ| <(3Uu() </tr>
Ls*.=ARq @_N -> l </form>
aH'^`]'_= /\
~{ 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
V%Y.N4H Lm ,io\z 下面是获取用户输入的登陆信息的代码:
f=}u;^ string name;
;u}MG3Y8 name=Request.QueryString["EmailName"];
oJyC{G X=${`n%LG try
c7wza/r> {
`1M_rG1/+ int a=name.IndexOf("@",0,name.Length);
PM%./ f_user.Value=name.Substring(0,a);
P4R.~J ;8 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
/xrt,M@ f_pass.Value=Request.QueryString["Psw"];
nfRo:@ }
D!qtb6<. n$#^gzU4 catch
% fA0XRM {
HAGWA2wQ Script.Alert("错误的邮箱!");
bcz<t) Server.Transfer("index.aspx");
xv4nYm9 }