1. 打开新的窗口并传送参数:
Z1^S;#v `,\WhJ?9 传送参数:
9I^_n+E response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
]yCmGt+b pS0-<-\R 接收参数:
hvZW~
=75 string a = Request.QueryString("id");
GW.s\8w string b = Request.QueryString("id1");
Q$Vxm+ eT:%i"C 2.为按钮添加对话框
Gh42qar` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
s)xfTr_$ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
63-`3R?; #Cbn"iYee 3.删除表格选定记录
WpSdukXY{ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ZaXK=%z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
3lA<{m;V k{"~G#GwP 4.删除表格记录警告
ZNG.W0{p private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
RQ}x7</{ {
;) (qRZd6 switch(e.Item.ItemType)
Qzb8*;4?FF {
ROQk^ case ListItemType.Item :
$ZwsTV]x case ListItemType.AlternatingItem :
stoBjDS case ListItemType.EditItem:
KC8A22 TableCell myTableCell;
L=zeFn myTableCell = e.Item.Cells[14];
uR@\/6!@ LinkButton myDeleteButton ;
tty6 myDeleteButton = (LinkButton)myTableCell.Controls[0];
M(? |$$
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#r:J,D6* break;
(VwS9:` default:
/EKfL\3 break;
_RY<-B
}
LdVGFlcXi r")=Z1y }
B'atwgI0 9r\8 !R 5.点击表格行链接另一页
P#rwYPww\ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
q0DoR@ {
)p12SGR5 //点击表格打开
=NyzX&H6 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
q:1 1XPP e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
6t/})Xv }
E(]yjZ/ IO]Oo3 双击表格连接到另一页
~g>15b3 Tff7SEP 在itemDataBind事件中
*~2jP;$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iT9cw`A^% {
=eTI@pN` string OrderItemID =e.item.cells[1].Text;
+`.%aJIi9 ...
k=nfo-h e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
{TE0 }
.yg"!X ,MOB+i(3*u 双击表格打开新一页
)k29mqa` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#; }IHAR {
V/>SjUNq string OrderItemID =e.item.cells[1].Text;
v`x~O+ ...
^D oJ='& e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
BFj@Z'7P }
6sB!m|zm]: pN4!*7M ★特别注意:【?id=】 处不能为 【?id =】
]DC]=F. 6.表格超连接列传递参数
rv|k8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
k_O"bsI) <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
j(Q$frI 90I)"vfW5 7.表格点击改变颜色
UY%@i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
EkWe6m {
Qpf BM e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
U|U/B this.style.color=’buttontext’;this.style.cursor=’default’;");
Ob0=ZW`+& }
a;/4 ht ~3f#cEP>d} 写在DataGrid的_ItemDataBound里
[>Q{70 c[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9OT2yCT {
&\Cvrxa e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
EB@!?=0x this.style.color=’buttontext’;this.style.cursor=’default’;");
i&.F}bEi e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
4B (*{ }
>`,v?<>+ t#Yyo$9 <uv{/L
b 8.关于日期格式
\UtUP#Y{t uVOpg]8d 日期格式设定
ZpI _/ DataFormatString="{0:yyyy-MM-dd}"
TSHp.ABf ] ^ 我觉得应该在itembound事件中
D8[&}D4 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|nU: GXJ3E"_. 9.获取错误信息并到指定页面
,ISq7*%F Zd~s5 不要使用Response.Redirect,而应该使用Server.Transfer
l*% voKZG 4Z]^v4vb e.g
4uU(t // in global.asax
=bv8W <# protected void Application_Error(Object sender, EventArgs e) {
'[\%P2c)Q if (Server.GetLastError() is HttpUnhandledException)
yFJ(b%7 Server.Transfer("MyErrorPage.aspx");
[k."R@? o#0NIn"GS/ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
)2rI/=R }
:peBQ{bj Av+
w>~/3 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
RA.@(DN& r OB\u|Pg 10.清空Cookie
nV']^3b Cookie.Expires=[DateTime];
a[9;Okm# Response.Cookies("UserName").Expires = 0
/_jApZz T("Fh} 11.自定义异常处理
z:<(b //自定义异常处理类
?]h+En5z8 using System;
2$1rS}} using System.Diagnostics;
G*J(4~Yw}
QW6k!ms$ namespace MyAppException
|S>nfL{TQe {
3t%uUkXl /// <summary>
o2Pj|u*X /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#+ n
& /// 自动将异常内容记录到Windows NT/2000的应用程序日志
}$AC0 /// </summary>
X4%*&L public class AppException:System.ApplicationException
;y5cs;s {
=WDf [?ED public AppException()
?>lmLz!e {
`I
m;@_J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
<;U"D.' }
cpE&Fba}" `5GJ,*{z public AppException(string message)
uLL#(bhDr {
Tb{,WUJg2 LogEvent(message);
kN>d5q9b%X }
7Jc=`Zm' g3x192f public AppException(string message,Exception innerException)
RJtSHiM2 {
6;(Slkv LogEvent(message);
\DGm[/P if (innerException != null)
2M1yw " {
!L3Bvb;Q LogEvent(innerException.Message);
Y|B/( }
o_\b{<^I }
6[qRb+ds Zjo9c{\ //日志记录类
Jw
{:1 using System;
>u4uV8S using System.Configuration;
`L9o!OsQ using System.Diagnostics;
=
b)q.2'# using System.IO;
Pv0OoN*eJ{ using System.Text;
|c > using System.Threading;
k5}i^^. dc lJ namespace MyEventLog
#+_OyZ* {
vZ|-VvG /// <summary>
I;mtyS /// 事件日志记录类,提供事件日志记录支持
SAo"+% /// <remarks>
Y{p *$ /// 定义了4个日志记录方法 (error, warning, info, trace)
[;I.aT}R!; /// </remarks>
~r=TVHjqi /// </summary>
8q tNK>D public class ApplicationLog
"Ny_RF {
*=;=VUu5 /// <summary>
OpH9sBnA /// 将错误信息记录到Win2000/NT事件日志中
Pv/P<i^ /// <param name="message">需要记录的文本信息</param>
AKAAb~{ /// </summary>
jq =-Y public static void WriteError(String message)
AHZ6 {
pl"|NZz
7; WriteLog(TraceLevel.Error, message);
W/?D}#e<4 }
L<Lu;KnY6 %LVk%kz /// <summary>
v3]q2*`G# /// 将警告信息记录到Win2000/NT事件日志中
Ir}&|"~H /// <param name="message">需要记录的文本信息</param>
Nw|Lrn*h! /// </summary>
j83p[qR7o public static void WriteWarning(String message)
G_AAE#r` {
possM'vC WriteLog(TraceLevel.Warning, message);
&"^A }
t-E'foYfr` /!%P7F /// <summary>
8n&" ,)U /// 将提示信息记录到Win2000/NT事件日志中
c~C :"g.y /// <param name="message">需要记录的文本信息</param>
vDBnWA /// </summary>
~CM{?{z; public static void WriteInfo(String message)
ff:&MsA|, {
J v)]7u WriteLog(TraceLevel.Info, message);
(.n"
J2qj }
9Z+@i:_} /// <summary>
S?8q.59 /// 将跟踪信息记录到Win2000/NT事件日志中
`I'=d4 /// <param name="message">需要记录的文本信息</param>
,#"AWQ /// </summary>
Ap97 Zcw public static void WriteTrace(String message)
|f zo$Bq {
w=^*)jZ8 WriteLog(TraceLevel.Verbose, message);
|]m&LC }
(bBetX DF&C7+hO /// <summary>
01w=;Q /// 格式化记录到事件日志的文本信息格式
;UWdT]>!? /// <param name="ex">需要格式化的异常对象</param>
nt5 ~"8 /// <param name="catchInfo">异常信息标题字符串.</param>
BO{J{ /// <retvalue>
z%;\q$ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
{yG)Ii /// </retvalue>
!P:hf/l[B /// </summary>
<MfB;M public static String FormatException(Exception ex, String catchInfo)
-<s?`Rnk {
T`W FY StringBuilder strBuilder = new StringBuilder();
`*N0 Lbl] if (catchInfo != String.Empty)
m,.d< ** {
'2.F-~ strBuilder.Append(catchInfo).Append("\r\n");
CMF1<A4] }
r/{VL3}F_e strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
"3hw]`a} return strBuilder.ToString();
%@rh\Z }
@Sv
?Ar :'rXu6c- /// <summary>
x]{h$yI /// 实际事件日志写入方法
]gmf%g'C /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
?Rl*5GRW /// <param name="messageText">要记录的文本.</param>
wCI.jGSBW /// </summary>
i_=P!%, private static void WriteLog(TraceLevel level, String messageText)
' bT9AV% {
8KAyif@1:: try
atN`w=6A` {
Nq9(O#} EventLogEntryType LogEntryType;
G! 87F/ switch (level)
IO6i {
s*!2oj case TraceLevel.Error:
lYZHM," LogEntryType = EventLogEntryType.Error;
>ZNL
pJQ break;
f0^s*V+ case TraceLevel.Warning:
c}{e,t LogEntryType = EventLogEntryType.Warning;
tHu8|JrH+ break;
&[s^`e case TraceLevel.Info:
Y.hrU*[J0 LogEntryType = EventLogEntryType.Information;
+"p",Z break;
bMv9f
J case TraceLevel.Verbose:
L4[bm[x LogEntryType = EventLogEntryType.SuccessAudit;
{{
wVM:1 break;
`9wz:s QtP default:
MWB uMF LogEntryType = EventLogEntryType.SuccessAudit;
qi)(\ break;
c?opVbJB\ }
d[o = >T(f EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
kv'n W //写入事件日志
{QhvHV eventLog.WriteEntry(messageText, LogEntryType);
D!X{9q}S1 -iW[cj
R`$ }
wLgRI$_Dm catch {} //忽略任何异常
=tog<7 }
c`t1:%S } //class ApplicationLog
4 5Ql7~ }
{`3;Pd` "?N`9J|j)~ 12.Panel 横向滚动,纵向自动扩展
@lj <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Cw+ (,1 4bJ3uIP# 13.回车转换成Tab
I&cb5j]C <script language="javascript" for="document" event="onkeydown">
t^7R6y if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
yk#:.5H event.keyCode=9;
@E==~ b </script>
2>H\arEstR 1fC|_V(0 onkeydown="if(event.keyCode==13) event.keyCode=9"
ZU:gNO0 hwXp=not( 14.DataGrid超级连接列
Sqb#U{E DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Xajjzl\b >"Hj=? 15.DataGrid行随鼠标变色
]Wy V bIu private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
NuP@eeF>, {
y'+^
ME$H if (e.Item.ItemType!=ListItemType.Header)
Z6
aT%7}} {
3'']q3H e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
l'o}4am e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
P/y-K0u }
^X_%e | }
W&*{j;e9%I t4JGd)r 16.模板列
pa\]@;P1 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
dIf Jr}ih <ITEMTEMPLATE>
SS`\,%aog <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
vw(};)8 </ITEMTEMPLATE>
'/"( `f, </ASP:TEMPLATECOLUMN>
cdh1~'q/ \J13rL{< <ASP:TEMPLATECOLUMN headertext="选中">
Q2NS> [ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>^jm7}+hb <ITEMTEMPLATE>
:7`,dyIqT <ASP:CHECKBOX id="chkExport" runat="server" />
p,4z;.s$ </ITEMTEMPLATE>
@.g4?c <EDITITEMTEMPLATE>
SOUA,4 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
=-:o?&64 </EDITITEMTEMPLATE>
E@@quK </ASP:TEMPLATECOLUMN>
od|pI5St 5fLCmLM` 后台代码
fe Q%L protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
cKxJeM07 {
-,i1T(p1 //改变列的选定,实现全选或全不选。
;0BCM(>Wo CheckBox chkExport ;
#A))#sT'R if( CheckAll.Checked)
Og&2,`Jb {
OIoAqt foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/qp`xJ {
$rlIJwqn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X;0EgIqh3 chkExport.Checked = true;
Tru`1/ 7I }
!BY=HFT }
AX&1-U else
Z@h]dU5%a {
My[L3KTTp foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
3!}#@<j
{
SKS[Lf chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
F0|T%!FB>% chkExport.Checked = false;
'WOWm$2 }
Ft|a/e }
eIEcj<f }
lS,Hr3Lz c'(]n]a% 17.数字格式化
j[z\p~^ <D 5QlAN 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0P)c)x5 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
te:VYP /|\`NARI int i=123456;
svQDSif string s=i.ToString("###,###.00");
"Fke(?X' {66vdAu&h< 18.日期格式化
~k J#IA ?Cu$qE!h)[ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
vw!i)JO8M XkNi'GJf 显示为: 2004-8-11 19:44:28
z* `81 ,fNiZ 我只想要:2004-8-11 】
E+01"G<Q <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
lz>5bR' +&t{IP(? 应该如何改?
?ph"|LyL MKH7d/x 【格式化日期】
p\,lbrv Bq _<v)M* 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
F{}z[0 sn*s7v: 【日期的验证表达式】
[&39Yv.k,7 q3I,3?_ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
sF|lhLi ^((\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})))?$
F6 UOo.L)I !",@,$ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
CZuxH ^\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]))$
YGNX+6Lz ;;U2I5 M7 【大小写转换】
2AlLcfAW HttpUtility.HtmlEncode(string);
cAL&>T HttpUtility.HtmlDecode(string)
m\VJ= 3O] e 19.如何设定全局变量
6znm?s@~ bc 0|tJc Global.asax中
P@Qo2zTh% &B3kzs Application_Start()事件中
O
,DX%wk, mtF&Z\ag 添加Application[属性名] = xxx;
z1"UF4x* 8CYJR/ 就是你的全局变量
4o|~KX8Qz $4L=Dg 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Q;Oc#
u 8ZahpB HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{1qEN_ERx Onk~1ks:
【ASPNETMENU】点击菜单项弹出新窗口
jb*#!m.l 3$RII-}> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
5=
F-^ <?xml version="1.0" encoding="GB2312"?>
u}$U|Cw-;T <MenuData ImagesBaseURL="images/">
p;B
+g X <MenuGroup>
jLEU V <MenuItem Label="内参信息" URL="Infomation.aspx" >
jRBx7|ON <MenuGroup ID="BBC">
(*2"dd <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
x~(Ul\EX <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
8m9G^s`[ ......
IMrB!bor 'fgDe 最好将你的aspnetmenu升级到1.2版
]f-e/8$`@ }KOu 21.读取DataGrid控件TextBox值
WTd})
s foreach(DataGrid dgi in yourDataGrid.Items)
`|v#x@s {
Q647a} TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
}x8fXdd tb.Text....
PzF)Vg }
[Z[)hUXE? >,9t<p=Q 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?
5G2u(hx q`{.2yV 〖思归〗
UjfB+=7I{L <asp:TemplateColumn HeaderText="数量">
sS0psw1 <ItemTemplate>
X `vDhfh>N <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Kp99y onkeyup="javascript:DoCal()"
9R E;50h />
WAQv4&xGM BujWql <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
lmd0Q(I </ItemTemplate>
d,H% </asp:TemplateColumn>
Wd%j;glG x,V_P/?% <asp:TemplateColumn HeaderText="单价">
tF;aB* <ItemTemplate>
4$;fj1!Z: <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
F )tNA?p) onkeyup="javascript:DoCal()"
^@ux />
ES+&e/G"ds @.gCeMlOf <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
/@OGYYH,M rXaL1`t* </ItemTemplate>
P_Zo}.{ </asp:TemplateColumn>
h(zi$V jG/kT5S <asp:TemplateColumn HeaderText="金额">
InDR\=o <ItemTemplate>
N7e^XUG <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
?K]k(ZV_+Y </ItemTemplate>
xNONf4I:6J </asp:TemplateColumn><script language="javascript">
4C2 Dwj function DoCal()
d#W[<, {
!P;qc var e = event.srcElement;
6z(_^CY var row = e.parentNode.parentNode;
\jfW$TtZm var txts = row.all.tags("INPUT");
jXdn4m/O if (!txts.length || txts.length < 3)
,CdI.kV>o2 return;
zZy>XHR
H M\]E;C'"U var q = txts[txts.length-3].value;
DnTM#i: var p = txts[txts.length-2].value;
[C&c;YNp a#{a{> if (isNaN(q) || isNaN(p))
f]hW>-B(q return;
(Hsfrc .!`j3W] q = parseInt(q);
,rN7X<s54 p = parseFloat(p);
>s>5k
O dp?uq' txts[txts.length-1].value = (q * p).toFixed(2);
]f\rB8k|& }
o 1b#q/ </script>
8=e\^Q+ ?@XO*|xkSk CUtk4;^y# ?,!qh O=mJ8W@ 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。
i44`$ps page_load
bv] ZUF0 page.smartNavigation=true
;Rt,"W) k4|YaGhf 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 ?
m:H )b{ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
(2{1m#o {
>!wwXhH( for(int i=0;i<e.Item.Cells.Count-1;i++)
$L&*0$[]Q if(e.Item.ItemType==ListItemType.EditType)
+yTL {
1-,l|K e.Item.Cells.Attributes.Add("Width", "80px")
)Y:CV,` }
z6Hl+nq B }
#a0 (Wh7 /RMep8& 26.对话框
.FC1:y<aO private static string ScriptBegin = "<script language=\"JavaScript\">";
@B[V'| private static string ScriptEnd = "</script>";
.d*v fE$ 2{qoWys8[ public static void ConfirmMessageBox(string PageTarget,string Content)
aJfW75C {
sI.Ezuw string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
)PwDP f&,.h"bS ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
[m4<j ^WRr "3 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
`zvYuKQ.} ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
xo*a9H?@ //Response.Write(strScript);
*L!R4;ubE }
n.T
[a y K{~ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
P--#5W;^oB D4S>Pkv 1.1 取当前年月日时分秒
%++q+pa currentTime=System.DateTime.Now;
;TR.UUT a7CJ~8-1K 1.2 取当前年
^o{O5&i] int 年= DateTime.Now.Year;
4~
iKo V^Nc0r 1.3 取当前月
"B\qp "N int 月= DateTime.Now.Month;
l^SKd `yf#(YP 1.4 取当前日
_LS=O@s^ int 日= DateTime.Now.Day;
`fL$t0" Ms$kL'/ 1.5 取当前时
sQ_{zOUPh int 时= DateTime.Now.Hour;
zi5;>Iv0} mO\6B7V! 1.6 取当前分
Ltu;sw int 分= DateTime.Now.Minute;
-PX {W)Aw EBn7waBS 1.7 取当前秒
-yC},tK int 秒= DateTime.Now.Second;
_qGkTiP 6 g!t1%Kb 1.8 取当前毫秒
#]C r
zLe int 毫秒= DateTime.Now.Millisecond;
^v`|0z\ +`9T?:fu 28.自定义分页代码:
p_}OtS; U>{z*D 先定义变量 :
}6o` in>M public static int pageCount; //总页面数
Xl}>mbB public static int curPageIndex=1; //当前页面
=T+<>/[ jbG #__#_ 下一页:
~< k'{ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
8J>s|MZ {
.<tb*6rX> DataGrid1.CurrentPageIndex += 1;
Gz
kf curPageIndex+=1;
Q2+e` }
,H|V\\ Iz ,C!c bind(); // DataGrid1数据绑定函数
\oaO7w,:" h<}4mo_$ 上一页:
^c/.D*J[I if(DataGrid1.CurrentPageIndex >0)
-ERDW Y {
JWEqy+,Fjw DataGrid1.CurrentPageIndex += 1;
9_&.G4%V curPageIndex-=1;
QYg2'`( }
x=9drKIw> B>JRta;hj bind(); // DataGrid1数据绑定函数
iptzVr#b[ Bf8 #&]O 直接页面跳转:
a*o=,! int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
UD.$C b2 ZKhS8 if(a<DataGrid1.PageCount)
VRT| OUq {
|J8c|h< this.DataGrid1.CurrentPageIndex=a;
5I@< 6S&X }
vQ
5
p sqsBGFeG bind();
Bl(we/r w%`7,du| 29.DataGrid使用:
?a(ApD\ 4D0"Y#&G 添加删除确认:
9CxU:;3 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@UX'(W {
sv
=6?uYW foreach(DataGridItem di in this.DataGrid1.Items)
[ibnI2I]` {
Q
xKC5`1 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
hg |DpP {
2 y,f ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
yv&&x.!.Z }
Fd0R?d }
O$KLQ '0"n }
t}]=5)9< '(~+
\ 样式交替:
s:6H^DQ"C ListItemType itemType = e.Item.ItemType;
J](AJkGzK 7RDfhKdb if (itemType == ListItemType.Item )
6>zO"9 {
Fq9AO~z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
h>q&X4- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}c$Zlb }
6>X7JMRY else if( itemType == ListItemType.AlternatingItem)
K&\xbT {
8|HuxE e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}H\wed]F/ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
M2{{B^*$6 }
'
FF@I^O REli`"bR 添加一个编号列:
F0qGkMs|f DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
r 1n l! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
[a`89'"z >6KuZ_ for(int i=0;i<dt.Rows.Count;i++)
7gNJ}pLDx {
Nxp7/Nn3 dt.Rows["number"]=(i+1).ToString();
xZwG@+U=X }
o^}K]ML!t b:SjJA,HM DataGrid1.DataSource=dt;
&Y4S[- DataGrid1.DataBind();
%`?IY < ~ep-XO DataGrid1中添加一个CheckBox,页面中添加一个全选框
uD}Q}]Z private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
!g'kWE[ {
'H0uvvhOp foreach(DataGridItem thisitem in DataGrid1.Items)
k+t?EZ6L {
s#hIzt ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&
=)HPzC }
&gR)Y3 }
eVGO6 2|! jb|al[p\ 将当前页面中DataGrid1显示的数据全部删除
EyO=M~nsS foreach(DataGridItem thisitem in DataGrid1.Items)
5bKM}?=L {
$SQUN*/> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
6j/g/!9c! {
AY<(`J{ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
HRn
Q* Del (strloginid); //删除函数
%-1-y]R| }
D=Jj !; }
6#hDj_(, IOhJL'r 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)
UuPXo66F] L7VD ZCV 在Application_Start中添加以下代码:
$KHw=<:)/ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
7@oM?r7td AppSettings["ConnStr"].ToString();
>"5f B W|'7)ph 31. 变量.ToString()
@G,pM: t ^hiIMqY_{` 字符型转换 转为字符串
D~P3~^ 12345.ToString("n"); //生成 12,345.00
hg4 d]R, 12345.ToString("C"); //生成 ¥12,345.00
tpPP5C{ 12345.ToString("e"); //生成 1.234500e+004
RUco3fZ 12345.ToString("f4"); //生成 12345.0000
zZp0g^;.? 12345.ToString("x"); //生成 3039 (16进制)
Di)%vU 12345.ToString("p"); //生成 1,234,500.00%
4&N#d;ErC Pw+PBIGn4 32、变量.Substring(参数1,参数2);
JbX"K< nQ Mu: y9o95 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
1K{u>T IyK^` y 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
6Ft?9
B(F: <SCRIPT language="javascript">
RGg=dN <!--
x$hhH= function gook(pws)
Bm"-X:=' {
SbLm frm.submit();
n#$sLXVy }
5ir
Ffr //-->
L)(JaZyV5 1V
,Mk#_ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
4*Uzomb?q <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
*yl?M<28 <tr>
#z6[8B <td>
G`D rY; <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
x%_VzqR` <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=
y@*vl <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
RG&t0%yj} G.")Bg <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
#ME!G/ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1aAY7Dm_& I%(YR" </td>
^Y%'"QwJS :Oiz|b( </tr>
ml,FBBGq|- u}r> ?/V! </form>
@6lw_E_5 epN!+(v 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。
JkShtLEr 2NMg+Lt8v 下面是获取用户输入的登陆信息的代码:
#B2a? string name;
TW?_fse*[ name=Request.QueryString["EmailName"];
)d~{gPr. 8NnGN(a*D try
,Iv eKk5W {
~k"r int a=name.IndexOf("@",0,name.Length);
^yLhL^Y f_user.Value=name.Substring(0,a);
B%7Az!GX
f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Zh f_pass.Value=Request.QueryString["Psw"];
t]IHQ8 }
y`,;m#frT jFDVd;#CS catch
D~ogq] {
mO=A50_&,Q Script.Alert("错误的邮箱!");
O*7vmPy Server.Transfer("index.aspx");
%g_)_ ~ }