1. 打开新的窗口并传送参数:
]%vGC^ wj5qQ]WC 传送参数:
!W+p<F1i response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
6KBzlj0T+ N,'[:{GOY 接收参数:
r7]?g~zb string a = Request.QueryString("id");
Q"l"p:n%n string b = Request.QueryString("id1");
Mp DdJ, USHlb#* 2.为按钮添加对话框
_Ex*%Qf. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Q]2sj: button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
hi4h0\L!} ;r0|_mnf 3.删除表格选定记录
0|K/=dh5+ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ILu0J`;} string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
R
&1mo EL2 hD$ 4.删除表格记录警告
$Hl+iF4j< private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2Be ?5+ {
JsWq._O{/ switch(e.Item.ItemType)
-Ib+#pX {
auyKLT3C case ListItemType.Item :
?-RoqF case ListItemType.AlternatingItem :
1OfSq1G>v$ case ListItemType.EditItem:
c:`` Y: TableCell myTableCell;
B~'VDOG$Z myTableCell = e.Item.Cells[14];
TCEXa?,L LinkButton myDeleteButton ;
:!Y?j{sGU myDeleteButton = (LinkButton)myTableCell.Controls[0];
5pKvNLy.t myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Tvksf!ba break;
pJ)+}vascR default:
]Lb?#S break;
Jfixm=.6 }
}
Khq \h'E5LO }
#sm_.?P >TQBRA;' 5.点击表格行链接另一页
w50Bq&/jX private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^!v} {
#<PA-
y //点击表格打开
ftI+#0?[! if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
t}c}@i_c e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7S~9E2N }
ou,=MpXx* #pm-nU%|_j 双击表格连接到另一页
0:B^ !7"K>m< 在itemDataBind事件中
P9tQS"Rs if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Jq+$_Uqd {
*|,ykb> string OrderItemID =e.item.cells[1].Text;
==jw3_W ...
a@_Cx e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
("JV:u.L+ }
a+>W YaJ{"'} 双击表格打开新一页
$qUta<o2@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&6^W%r {
}fZ=T4r string OrderItemID =e.item.cells[1].Text;
moJT8tb ...
y'2kV6TtqD e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
M6hvi(!X2 }
vb"dX0)< /4B4IT ★特别注意:【?id=】 处不能为 【?id =】
N7I71q| 6.表格超连接列传递参数
1={Tcq\] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
4(0t
GF <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
iZq@W3GL
C _l{5'm 7.表格点击改变颜色
R;TEtu7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|gRgQGeB {
-IEP?NX e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
P7k$^n this.style.color=’buttontext’;this.style.cursor=’default’;");
4wj| }
hpz*jyh8 ^3)2]>pW 写在DataGrid的_ItemDataBound里
(~pEro]?+) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~~:8Yv[( {
97))'gC e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
?.Yw%{?TG this.style.color=’buttontext’;this.style.cursor=’default’;");
;`PkmAg e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
,nChwEn }
`)C`_g3Ew CpqSn/ $-9@ /%Y 8.关于日期格式
S.F=$z.% (jE:Q2" 日期格式设定
wh m tEY DataFormatString="{0:yyyy-MM-dd}"
-^jLU
FC 1DlcO>#@ 我觉得应该在itembound事件中
V-ouIqnI e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ExP25T j]l}K*8( 9.获取错误信息并到指定页面
Fee WZe0i L,A-G"z0Z 不要使用Response.Redirect,而应该使用Server.Transfer
X@AkA9'fq s^?sJUj e.g
qD%&\ZT // in global.asax
-b>O4_N protected void Application_Error(Object sender, EventArgs e) {
n`T[eb~ if (Server.GetLastError() is HttpUnhandledException)
NDa|., Server.Transfer("MyErrorPage.aspx");
0G\myv KJ^GUqVl //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=U7D}n
hS- }
9H%xZ(`vN Y$$?8xr
~ 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
2l(j
4~g AW&s-b%P 10.清空Cookie
l
75{JxZX Cookie.Expires=[DateTime];
O-lh\9{'R Response.Cookies("UserName").Expires = 0
OZ14-}Lr5 U>-#(' 11.自定义异常处理
|Sv #f2` //自定义异常处理类
:+^$?[6] using System;
`L*;58MA using System.Diagnostics;
!@Vp Bl >Wit"p namespace MyAppException
ZFuJ2 : {
@$yYljP /// <summary>
cTaD{!zm5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
6`";)T[ G9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
<d&)|W /// </summary>
W>wi;Gf# public class AppException:System.ApplicationException
2-c0/?_4 {
d~Ry> public AppException()
)zt4'b\)v {
0:+uw`
% if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
kBT}Siw }
,Y8X"~{A h5JwB<8 public AppException(string message)
r4ttEJ-jG {
zomNjy* LogEvent(message);
'CO[s.03 }
u\geD \J:T] public AppException(string message,Exception innerException)
*=9#tYn~ {
}<h.
chz, LogEvent(message);
/P"\+Qp if (innerException != null)
:QL p`s {
pvU oed\ LogEvent(innerException.Message);
:Sn3|`HDm }
FYS83uq0 }
[=F
|^KL Jo$Dxa
z //日志记录类
;/q6^Nk3A using System;
vl~ using System.Configuration;
`srZ#F5 using System.Diagnostics;
.);:K using System.IO;
&p4<@k\L using System.Text;
AX RNV using System.Threading;
}/r%~cZ U*:'/. namespace MyEventLog
eniR} {
AR6vc /// <summary>
k[) @I;m /// 事件日志记录类,提供事件日志记录支持
E(LE*J /// <remarks>
Vot+gCZ /// 定义了4个日志记录方法 (error, warning, info, trace)
%ys}Q!gR /// </remarks>
[gp:nxyfQm /// </summary>
&E`Z_}~ public class ApplicationLog
"$pgmf2 {
}V;]c~Q/H /// <summary>
K.1yncS^ /// 将错误信息记录到Win2000/NT事件日志中
slfVQ809 /// <param name="message">需要记录的文本信息</param>
(b}7Yb]#c /// </summary>
H^:|`T|, public static void WriteError(String message)
T5_Cu9>ax {
RAbq_^Q WriteLog(TraceLevel.Error, message);
%<|KJb4? }
m e{SVG{ a`iAA1HJ /// <summary>
W(4?#lA2W /// 将警告信息记录到Win2000/NT事件日志中
" z'!il# /// <param name="message">需要记录的文本信息</param>
BQ0\+ /// </summary>
R>&/n/l public static void WriteWarning(String message)
M
F: Eu {
0w. _}Cz WriteLog(TraceLevel.Warning, message);
xumv I{ }
"1Aus 8mLU ~P
| /// <summary>
4PM`hc /// 将提示信息记录到Win2000/NT事件日志中
q#3X*!) /// <param name="message">需要记录的文本信息</param>
:?k=Yr /// </summary>
@\}36y public static void WriteInfo(String message)
j1+Y=@MA {
zL8A?G)=M WriteLog(TraceLevel.Info, message);
@2*6+w_Ae }
tgA
|Vwwk /// <summary>
Pp hQa!F$ /// 将跟踪信息记录到Win2000/NT事件日志中
gjLgeyyWC /// <param name="message">需要记录的文本信息</param>
]X|G+[Ujv /// </summary>
"]Td^Nxi public static void WriteTrace(String message)
H H3 {
>{Z=cv/6o WriteLog(TraceLevel.Verbose, message);
ZhaOH5{9 }
j!7Uj] ;}'<`(f&nX /// <summary>
-V<"Ay /// 格式化记录到事件日志的文本信息格式
j)qh>y) /// <param name="ex">需要格式化的异常对象</param>
{U-EBXV /// <param name="catchInfo">异常信息标题字符串.</param>
Mu%,@?zM^/ /// <retvalue>
Fsj[J E /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
dwMwd@*j /// </retvalue>
,`@|C
Z-4A /// </summary>
mP[u[|] public static String FormatException(Exception ex, String catchInfo)
26K~m@ {
:q1r2&ne StringBuilder strBuilder = new StringBuilder();
$7d"9s\$" if (catchInfo != String.Empty)
$u"$mg7x {
??V["o T strBuilder.Append(catchInfo).Append("\r\n");
R,1 ,4XT }
^0-=(JrC strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
pk1M.+ return strBuilder.ToString();
hiHp@"l< }
?='9YM G3?z.5,Q /// <summary>
#sZes /// 实际事件日志写入方法
oyw1N;K /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
&[5az/Hj* /// <param name="messageText">要记录的文本.</param>
),,vu /// </summary>
5-^twXC& private static void WriteLog(TraceLevel level, String messageText)
+KNr1rG {
j3&*wU_ try
Q4q#/z {
?9TogW>W EventLogEntryType LogEntryType;
`oBzt|f5 switch (level)
<=M }[ {
_s8_i6 Y case TraceLevel.Error:
;xwQzu%M>5 LogEntryType = EventLogEntryType.Error;
{H2i+"cF break;
( mlc']F case TraceLevel.Warning:
UXHFti/A< LogEntryType = EventLogEntryType.Warning;
@1@WB]mQQ break;
tO3 ;;% case TraceLevel.Info:
063;D+ LogEntryType = EventLogEntryType.Information;
(Ln h> '2 break;
]
),'=@ case TraceLevel.Verbose:
.vMi<U; LogEntryType = EventLogEntryType.SuccessAudit;
{8RGW0Y break;
%A3Jd4DH default:
9#!tzDOtD LogEntryType = EventLogEntryType.SuccessAudit;
nT"z(\i.!J break;
8F1!9W7 }
e_TDO }}_l@5 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
&)-?=M //写入事件日志
H
#_Z6J eventLog.WriteEntry(messageText, LogEntryType);
7l3q~ dQ q=6Y2Q }
7i.aZ2a% catch {} //忽略任何异常
sSUd;BYf }
(.o'1' } //class ApplicationLog
W( YJz#]6_ }
"#jKk6{I0
N=9lA0y+ 12.Panel 横向滚动,纵向自动扩展
Cq~Ir*" <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
6bba}P LKcrr; 13.回车转换成Tab
@HI5;z <script language="javascript" for="document" event="onkeydown">
}R$%MU5:: if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
v<1;1m event.keyCode=9;
I2'?~Lt </script>
$hio(
gp=0;#4
4 onkeydown="if(event.keyCode==13) event.keyCode=9"
o1\8>Ew &bQ^J%\ 14.DataGrid超级连接列
9"S3A EI DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
'! (`? k
W ,|> 15.DataGrid行随鼠标变色
v0=~PN~E private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
,dBI=D' {
m='OnTeOE if (e.Item.ItemType!=ListItemType.Header)
4<|u~n*JF {
{SV$fl; e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
pjFgIG2=9 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
9[Mu }
jLTs1`I/F }
D$HxPfDZ zeX?]@]Y 16.模板列
YSbN=Rj <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.+yJ'*i$d <ITEMTEMPLATE>
<FEO6YP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
71_N9ub@z </ITEMTEMPLATE>
q9Q4F </ASP:TEMPLATECOLUMN>
Q"O _h <vs.Ucxx <ASP:TEMPLATECOLUMN headertext="选中">
F <(Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
dkjL;1 <ITEMTEMPLATE>
B_>
Fd& <ASP:CHECKBOX id="chkExport" runat="server" />
}R^{<{KVJ </ITEMTEMPLATE>
\B)<<[ $ <EDITITEMTEMPLATE>
wr`eBPu <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
v|6fqG+Q\ </EDITITEMTEMPLATE>
N*fN&0r </ASP:TEMPLATECOLUMN>
?=/l@ d
VMp6s%m 后台代码
+Ji dP protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
*L=CJg {
v&Kw
3!X#E //改变列的选定,实现全选或全不选。
eC?N>wHH CheckBox chkExport ;
/1*\*<cs if( CheckAll.Checked)
_N6GV$Q {
~&kV foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
TUG3#PSnm* {
Mtu8zm chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
x)*[>d2yd chkExport.Checked = true;
rlD@O~P4 }
Ch3##- }
U/>5C: else
l}JVRU{ {
~0L>l J foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
E%TvGe;# {
vsK>?5{C- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[{YV<kN chkExport.Checked = false;
%llG/]q# }
l<5!R;?$ }
j2+&B9( }
)jg3`I@ ,~v1NK* 17.数字格式化
XIU2l}g lG2){){j 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
gb-n~m[y <%#Container.DataItem("price","{0:¥#,##0.00}")%>
a`}-^;}SW !T}`h' int i=123456;
7r>^_ aW string s=i.ToString("###,###.00");
Ex<loVIrP$ I8m(p+Z= 18.日期格式化
/Mv'fich(
m{~r6@ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
YV+e];s ^-DK<jZ^ 显示为: 2004-8-11 19:44:28
46b.= } \>+gZc]an 我只想要:2004-8-11 】
=Oy,SX <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
.*ZNZ|g_ #C|iW@ 应该如何改?
p?Y1^/
3'8~H]<W 【格式化日期】
*fE5Z;!} *{uu_O 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)[A}h'J) ,W.O*vCA 【日期的验证表达式】
Mf?4 `LM -Jb
I7Le A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
#p^D([k
\ ^((\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})))?$
;I9D>shkc H=0Y4 T@)T B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[.2>=3T ^\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]))$
O?P6rXKr FK->| 【大小写转换】
cng1k
HttpUtility.HtmlEncode(string);
'{),gV. HttpUtility.HtmlDecode(string)
Xs4`bbap -50|r;a 19.如何设定全局变量
nF=h|rN co:
W! Global.asax中
E5B:79BGO W)KV"A3C Application_Start()事件中
8$1<N ]1X];x&e 添加Application[属性名] = xxx;
V4|pZ] oC[$PPqX# 就是你的全局变量
~#wq sm $N~8^6 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
905
/4z' J:t1W=lJ3 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1|2X0Xm{ LcQ \d* 【ASPNETMENU】点击菜单项弹出新窗口
lE4.O Y#KgaZ7N 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
i),W1<A1 <?xml version="1.0" encoding="GB2312"?>
^X^4R1V) <MenuData ImagesBaseURL="images/">
X[R/j*K <MenuGroup>
DEs/?JZG <MenuItem Label="内参信息" URL="Infomation.aspx" >
,2"-G";!f\ <MenuGroup ID="BBC">
k5((@[ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
7Kfh:0Ihhy <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Z O&5C6qa ......
=YR/|9( 9\V^q9l 最好将你的aspnetmenu升级到1.2版
1%H]2@ 8!1vsEqv 21.读取DataGrid控件TextBox值
4jvgyi9
foreach(DataGrid dgi in yourDataGrid.Items)
8dP^zjPj {
yKi* 8N"e< TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
^dQ#\uy tb.Text....
$P>ci4]t }
23zB@aE_?1 k<m{Wp;- 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
(Ori].{C.J kA fkQy(~ 〖思归〗
IG
6yt <asp:TemplateColumn HeaderText="数量">
q45Hmz <ItemTemplate>
_L9`bzZj
<asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
WJ8i,7 onkeyup="javascript:DoCal()"
VGkwrS;+I />
t=5K#SX} Tw=Jc 's <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
NeQ/#[~g </ItemTemplate>
0:Xvch0 </asp:TemplateColumn>
OT+LQ TE :2}zovsdj <asp:TemplateColumn HeaderText="单价">
o@vo,JU <ItemTemplate>
tv5G']vO\ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
SZNM$X|T onkeyup="javascript:DoCal()"
Eb[*nWF= />
Tmqtj `|[Q]+Mx <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
u`3J2,. 4Z,MqG> </ItemTemplate>
?(H/a-(:v} </asp:TemplateColumn>
fM6Pw6k tRFj<yuaq <asp:TemplateColumn HeaderText="金额">
YP/BX52v <ItemTemplate>
6Gwk*%sb <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
K08xiMjl </ItemTemplate>
`$7.(.#s </asp:TemplateColumn><script language="javascript">
uPhFBD7 function DoCal()
:>] =YE {
4u0=/pfi[ var e = event.srcElement;
gh#9< var row = e.parentNode.parentNode;
xx_]e4 var txts = row.all.tags("INPUT");
g ?qm >X if (!txts.length || txts.length < 3)
1ve
%xF return;
HTAJn_ e<#t]V var q = txts[txts.length-3].value;
S{&,I2aO var p = txts[txts.length-2].value;
(]>=y CNwIM6t if (isNaN(q) || isNaN(p))
. _Bejh return;
*F[@lY\p R5(<:] q = parseInt(q);
!`JaYUL[e p = parseFloat(p);
mr&nB [> Q+=(l txts[txts.length-1].value = (q * p).toFixed(2);
u1R_u9 }
x\T 9V~8a </script>
jhl9 iv*`.9TK- ]c4?-Vq%u @m[q0G} kaqH.e( 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。
jvv3;lWDL. page_load
`7[z%cuK page.smartNavigation=true
yY+)IU. `83s97Sa 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 ?
cks53/Z private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
rl"$6{Z} {
CY"&@v1 for(int i=0;i<e.Item.Cells.Count-1;i++)
ssj(-\5 if(e.Item.ItemType==ListItemType.EditType)
2iO AUo+ {
;/l$&: e.Item.Cells.Attributes.Add("Width", "80px")
+uZ,}J }
r)E9]"TAB }
}86&?
0j. GG<{n$h 26.对话框
g<(3wL," private static string ScriptBegin = "<script language=\"JavaScript\">";
{xJq F4 private static string ScriptEnd = "</script>";
v,Eqn8/O dY[ XNP public static void ConfirmMessageBox(string PageTarget,string Content)
2[-@
.gH {
Xfo3fW)s string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Jas=D FOz~iS\ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
;aXu $=3&qg"! Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7/C,<$Ep ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
0N9`WK //Response.Write(strScript);
nE;^xMOK! }
t+y$i@R: TkHyXOk"Ky 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
])Rs.Y{Q5 VAPRI\uM; 1.1 取当前年月日时分秒
`Tw DR6& currentTime=System.DateTime.Now;
YD>5zV%!D ,t?c=u\5 1.2 取当前年
"u^%~ 2 int 年= DateTime.Now.Year;
f"i(+:la (OS -v~{r@ 1.3 取当前月
/6S% h-#\ int 月= DateTime.Now.Month;
i;Y3pF0%P tf<}%4G 1.4 取当前日
#x|xL7 int 日= DateTime.Now.Day;
/,Unp1D !A_<(M< 1.5 取当前时
B"KDr_,, int 时= DateTime.Now.Hour;
dRC
RB wMc/Og 1.6 取当前分
4PdJ int 分= DateTime.Now.Minute;
p=13tQS<
P}kBqMM 1.7 取当前秒
"$P|!k45( int 秒= DateTime.Now.Second;
gbf2ty ,yPs4',d 1.8 取当前毫秒
Z!#n55| int 毫秒= DateTime.Now.Millisecond;
a*
2*aH7 j`H5S 28.自定义分页代码:
e
*9c33 *49({TD6` 先定义变量 :
{9mXJu$cc public static int pageCount; //总页面数
MC\rx=cR\ public static int curPageIndex=1; //当前页面
m 0jm$>:Z ''.P= 下一页:
Q#gzk%jL@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
$4YyZ!_.@ {
_T\/kJ)Q\ DataGrid1.CurrentPageIndex += 1;
TTGk"2
Q' curPageIndex+=1;
"Sx}7?8AB }
WC0gJy ]\TYVv) bind(); // DataGrid1数据绑定函数
KH=4A-e,0 s<#["K*_ 上一页:
{Tr5M o if(DataGrid1.CurrentPageIndex >0)
b\
P6,s'( {
FR57F(31 DataGrid1.CurrentPageIndex += 1;
@$:T]N3m curPageIndex-=1;
$nf5bo/; }
g#W/WKvM XEX."y bind(); // DataGrid1数据绑定函数
(v/mKG yg &Hl*Eg
f 直接页面跳转:
yW@0Q: int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
5Yxs_t4 &PE/\_xD_ if(a<DataGrid1.PageCount)
NI<;L m {
&<Iyb}tA? this.DataGrid1.CurrentPageIndex=a;
W'98ues% }
|$>ZGs# GF^)](xY+ bind();
E`A6GX =P}BAJ 29.DataGrid使用:
E:7R>.g \Ei(HmEU 添加删除确认:
LvM;ZfAEv private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
r}>q*yx: {
BdMmeM2h foreach(DataGridItem di in this.DataGrid1.Items)
iHYvH
{
vG2&qjY1 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
0b3z(x!O {
R3dt-v ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^.Xom~ }
q@+#CUa&n }
_yH=w'8. }
l)P~#G+C mI4)+8SUu 样式交替:
{K,KIj" ListItemType itemType = e.Item.ItemType;
(\qO~)[0 9) ~Ha iVB if (itemType == ListItemType.Item )
.29y3}[PO {
&pk&8_=f e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
h ycdk1SN e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
cs\/6gSCo }
p$+.] else if( itemType == ListItemType.AlternatingItem)
wJ}9(>id* {
-ge :y2R_w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
]!mC5Ea e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^6?)EM# }
bAkCk]>5 ==^9_a^ 添加一个编号列:
"4Bk DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Jmcf9g DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
EW Z?q$ ,bU8S\8 for(int i=0;i<dt.Rows.Count;i++)
/t$J<bU {
1 Vq)& N dt.Rows["number"]=(i+1).ToString();
PSR21; }
Kc,=J?Ob P)9$}9i DataGrid1.DataSource=dt;
BJ$\Mb##3@ DataGrid1.DataBind();
fa:V8xa
.kT}E5 DataGrid1中添加一个CheckBox,页面中添加一个全选框
:Y\!~J3W private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
l+!eC
lM% {
?ZS/`P0}[ foreach(DataGridItem thisitem in DataGrid1.Items)
%j7HIxZh {
)B1gX>J\8 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
UFOUkS
F }
+yO^,{8SE }
L3s1a -K I%#&@ 将当前页面中DataGrid1显示的数据全部删除
,!i!q[YkL9 foreach(DataGridItem thisitem in DataGrid1.Items)
;+6TZqklQ {
?mME^?x
Mu if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
KO''B or {
'Io2",~
M string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
2]i>kV/,0 Del (strloginid); //删除函数
5 52U~t }
Kx<T;iJ} }
kE`V@F 5+yT{,(5 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
8-.jf F&[MyX U4 在Application_Start中添加以下代码:
9s9_a4t5 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
}]K^b1Fs5 AppSettings["ConnStr"].ToString();
V#-\ 4`c G0^,@jF?b 31. 变量.ToString()
+@5@`"Jry ^.:dT?@R 字符型转换 转为字符串
Ce~
a(J|" 12345.ToString("n"); //生成 12,345.00
[e.@Yx_} 12345.ToString("C"); //生成 ¥12,345.00
5<=ktA48[ 12345.ToString("e"); //生成 1.234500e+004
-q6d&D'B+ 12345.ToString("f4"); //生成 12345.0000
g71|t7Q 12345.ToString("x"); //生成 3039 (16进制)
miv)R 12345.ToString("p"); //生成 1,234,500.00%
{CH *?|t ~IIlCmMl, 32、变量.Substring(参数1,参数2);
1.6Y=Mh=i[ ;G\RGU~ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
jDKL}x oy<
q;' 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
g*a|QBj% <SCRIPT language="javascript">
:0o,pndU <!--
DwBKqhu function gook(pws)
ZBcT@hxm {
\Ng|bWR>LQ frm.submit();
=,WW#tD }
>||=# ; //-->
Oqy&V&-C GL-r;
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Uc>$w?oA <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Z<M?_<3 <tr>
3<vw#]yL <td>
9EI Oa/* <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
klON6<w <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
%"{jNC? <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
U)B^R OEwKT7CX <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
T#:n7$M|?A <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%g+*.8;"b J3P)oM[ </td>
v$_YZm{!< %V2A}78 </tr>
i*9Bu; @Fs2J_v </form>
AQR/nWwx +PfXc?VU 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。
hantGw| KMo]J1o 下面是获取用户输入的登陆信息的代码:
F9\T< string name;
nJ{vO{N name=Request.QueryString["EmailName"];
!caY y^xEZD1X6- try
;kv/(veQ1< {
D<SLv,Y int a=name.IndexOf("@",0,name.Length);
IA&NMf;{ f_user.Value=name.Substring(0,a);
I&lb5'6D f_domain.Value=name.Substring(a+1,name.Length-(a+1));
&Bfgvws; f_pass.Value=Request.QueryString["Psw"];
5:W5@e{ }
(s?Rbd 5S&'O4yz^ catch
m?4L>' {
d=~-8]%\ Script.Alert("错误的邮箱!");
h|Z%b_a Server.Transfer("index.aspx");
<[W41{ }