1. 打开新的窗口并传送参数:
' n4zFj+S a>sUq[" 传送参数:
`Lm
ArW: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
B_`A[0H p(nC9NGB 接收参数:
LLgN%!& string a = Request.QueryString("id");
,0<|&D string b = Request.QueryString("id1");
QEUg=*3W= }5OlX 2.为按钮添加对话框
Podm 3b Button1.Attributes.Add("onclick","return confirm(’确认?’)");
4s`*o/it button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nImRU.;P d7Q. 'cyQ 3.删除表格选定记录
Js^ADUy int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
,n &|+& string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
I$qL= tDEpR 4.删除表格记录警告
%~Nf, private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
IIop"6Ko {
z(1h ^.
switch(e.Item.ItemType)
CNbrXN {
J;m[1Mae& case ListItemType.Item :
AP3SOT3I case ListItemType.AlternatingItem :
?_\Hv@t; case ListItemType.EditItem:
76 =uk!#3{ TableCell myTableCell;
X,O&X myTableCell = e.Item.Cells[14];
R(pvUm&L LinkButton myDeleteButton ;
LfOGq%& myDeleteButton = (LinkButton)myTableCell.Controls[0];
x"AYt:ewuc myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
v .r$]O break;
@H&Aj.. default:
#:' P3)& break;
%PlPXoG= }
-Rjn<bTIy ~ D3'-,n[ }
seAkOIc sS5#Q 5.点击表格行链接另一页
+ 6r@HK`,t private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(O&~*7D* {
XFK$p^qu //点击表格打开
\iowAo$ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!nuXK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Q:_pW<^ }
RG*Nw6A JEJ]'3 双击表格连接到另一页
!S(jT?'w Bu!Gy8\ 在itemDataBind事件中
D
?,P\cp if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|r0j>F {
/^/'9}7 string OrderItemID =e.item.cells[1].Text;
u#J5M ...
*WMcE$w/D e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
>)#*}JI }
Zpu>T2Tp Mv4JF(,S 双击表格打开新一页
Qt>yRt if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dqF--)Nb {
"]MF =-v string OrderItemID =e.item.cells[1].Text;
;=h^"et ...
HLk}E*.mC e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
NTAPx=!1* }
_Seiwk& ) 3YE$, ★特别注意:【?id=】 处不能为 【?id =】
P.;B
V", 6.表格超连接列传递参数
[&FMVM` <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!7%L%~z^ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
k(VA5upCs aN;L5;m#>{ 7.表格点击改变颜色
Q~-g tEv+& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n4Q!lJ {
dC,F?^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
.6vQWt7@ this.style.color=’buttontext’;this.style.cursor=’default’;");
zKiKda%) }
lX5(KUN IUu[`\b= 写在DataGrid的_ItemDataBound里
w:N\]=Vh if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&,)9cV / {
!(SaE' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
2d$hgR#v this.style.color=’buttontext’;this.style.cursor=’default’;");
ZfvFs e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
uE5kL{Fv }
rxa8X wo8 _HGDqjL MHxv@1)K|Y 8.关于日期格式
)QI]b4[ W&bh&KzCW 日期格式设定
&lGp
/m: DataFormatString="{0:yyyy-MM-dd}"
ZB ~D_S <7TpC@"/g 我觉得应该在itembound事件中
pOH_ CXw e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
kk!}mbA_} 2^qY,dL 9.获取错误信息并到指定页面
7~ |o_T +8BH%f}X 不要使用Response.Redirect,而应该使用Server.Transfer
Z#4? /' fep#Kb%"e e.g
U8<GD| // in global.asax
$orhY D3gv protected void Application_Error(Object sender, EventArgs e) {
TAzhD.6C if (Server.GetLastError() is HttpUnhandledException)
}GGFJ" Server.Transfer("MyErrorPage.aspx");
G3?8GTH rvr Ok //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
dnNc,l&g }
E}1[& u.!Pda Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
- }
Z t5eux&C 10.清空Cookie
~^VcTSY@<L Cookie.Expires=[DateTime];
s*]1d*B! Response.Cookies("UserName").Expires = 0
H%])>
O'idS`
11.自定义异常处理
YtIJJH //自定义异常处理类
%
;6e@U} using System;
urog.Q using System.Diagnostics;
}"xC1<] !T
@|9PCp namespace MyAppException
:5CwRg {
*AxKV5[H /// <summary>
Gm>8=
=c /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Bxm^Arc> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
x%x[5.CT /// </summary>
40q8,M public class AppException:System.ApplicationException
U 2\{(y {
NO9Jre public AppException()
;o8cfD .z {
]qv/+~Qs> if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
AK[9fxrE }
ADHe![6q {}lw%d?A public AppException(string message)
jRq>Sz{8 {
"=/XIM. LogEvent(message);
'-ACNgNn }
(mz a&WF7 J-I7K!B public AppException(string message,Exception innerException)
y4envjl0 {
r}vI#;& LogEvent(message);
.g4bV5ma3 if (innerException != null)
`9$?g|rB {
K<|eZhp~ LogEvent(innerException.Message);
n|^-qy'w }
A?6b)B/e? }
eUBk^C]\ IlS{>6 //日志记录类
B VPf8!- using System;
P^1rNB using System.Configuration;
r*,]=M W using System.Diagnostics;
:.sK:W("v using System.IO;
1S_KX. using System.Text;
lYy0
using System.Threading;
>xH3*0Lp !^\|r<2M namespace MyEventLog
0>.'w\,87B {
)EcF[aO /// <summary>
+%>L;'L
^X /// 事件日志记录类,提供事件日志记录支持
][_:{ N/ /// <remarks>
9$d (`-&9p /// 定义了4个日志记录方法 (error, warning, info, trace)
w1s#8: /// </remarks>
?|8H$1 /// </summary>
:Eob"WH public class ApplicationLog
2Jj`7VH> {
N*o+m~:y /// <summary>
&O!d!Pf /// 将错误信息记录到Win2000/NT事件日志中
u,'c:RMV /// <param name="message">需要记录的文本信息</param>
flmcY7ZV /// </summary>
VSP[G ,J. public static void WriteError(String message)
3-_4p8OK {
kW/ksz0) WriteLog(TraceLevel.Error, message);
Uvz9x"0[u }
H[6d@m- Z LFh(.
} /// <summary>
g\6(ezUF* /// 将警告信息记录到Win2000/NT事件日志中
*!nS4[d /// <param name="message">需要记录的文本信息</param>
%0"o(y+zt /// </summary>
RNIfw1R public static void WriteWarning(String message)
Y4b"(ZhM_ {
sQt@B#; WriteLog(TraceLevel.Warning, message);
2f~s$I&l# }
Ie+z"&0 {~d4;ht1Y /// <summary>
^(6.P)$ /// 将提示信息记录到Win2000/NT事件日志中
4I2ppz /// <param name="message">需要记录的文本信息</param>
zM)o^Fn2 /// </summary>
-|ee=BV public static void WriteInfo(String message)
1zl@$ Nt {
Wc+ e>* WriteLog(TraceLevel.Info, message);
r5F#q }
}RM?gE /// <summary>
<Ojf&C^Z /// 将跟踪信息记录到Win2000/NT事件日志中
VoP(!.Ua>7 /// <param name="message">需要记录的文本信息</param>
,rTR
|>Z /// </summary>
[;tbNVZK public static void WriteTrace(String message)
{qh`8 {
LfK <%(: WriteLog(TraceLevel.Verbose, message);
e4?}#6RF }
"h)+fAT|, JbG+ysn /// <summary>
6%:'2;xM /// 格式化记录到事件日志的文本信息格式
%=NqxF>> /// <param name="ex">需要格式化的异常对象</param>
u/hD9g~H7K /// <param name="catchInfo">异常信息标题字符串.</param>
67f#Z&r2k /// <retvalue>
Ho\z^w+T` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
v'Lckw@G4 /// </retvalue>
=I*"vwc? /// </summary>
_<5>
E public static String FormatException(Exception ex, String catchInfo)
^mG-O {
g:OVAA StringBuilder strBuilder = new StringBuilder();
xx41Qw>\W if (catchInfo != String.Empty)
beO*| {
hQX|wWh strBuilder.Append(catchInfo).Append("\r\n");
/~AajLxu3W }
P:CwC"z>sS strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
U[Z1@2zLx return strBuilder.ToString();
#<l;YT8 }
@n})oAC, LeO5BmwHR /// <summary>
}.e*=/"MB /// 实际事件日志写入方法
T\2cAW5 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
bD49$N?> /// <param name="messageText">要记录的文本.</param>
u6|7P<HUfb /// </summary>
"esV#%:#J private static void WriteLog(TraceLevel level, String messageText)
?K}/b[[0v {
f$/Daq <M try
<v0 d8 {
:a`l_RMU EventLogEntryType LogEntryType;
b/2t@VlL switch (level)
_D
z4}:9 {
~Uga=& case TraceLevel.Error:
vbh\uv& LogEntryType = EventLogEntryType.Error;
/A{znE break;
bC"#.e case TraceLevel.Warning:
u QCQ$ LogEntryType = EventLogEntryType.Warning;
;:'A{&0N break;
$L;7SY? case TraceLevel.Info:
5w{_WR6, LogEntryType = EventLogEntryType.Information;
g3"`b)M break;
h!MZ6}zb) case TraceLevel.Verbose:
a}%>i~v< LogEntryType = EventLogEntryType.SuccessAudit;
x/5%a{~j2 break;
G?YKm1:w default:
h5B'w LogEntryType = EventLogEntryType.SuccessAudit;
~0ZP%1.B3 break;
8<IOX }
{wCQ#V T4w`I;&v EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
? NVN&zD] //写入事件日志
pGUrYik4 eventLog.WriteEntry(messageText, LogEntryType);
C2bN<K W!+5}\? }
z)Bc91A catch {} //忽略任何异常
=[vT=sHz7 }
Q- j+#NGc } //class ApplicationLog
-,}f6* }
+ZXk0sP_< VxaJ[s3PQ& 12.Panel 横向滚动,纵向自动扩展
kM@8RAxA <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
8'/vW ~f K]Ed-Tz8QZ 13.回车转换成Tab
YHg4WW$ <script language="javascript" for="document" event="onkeydown">
C#vU'RNpl if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3kQky event.keyCode=9;
q[**i[+% </script>
XCQ=`3f LLV:E{`p onkeydown="if(event.keyCode==13) event.keyCode=9"
<C]s\"o-` :8\z 0 14.DataGrid超级连接列
6fQQKM@a| DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
vvdC.4O W
aks*^| 15.DataGrid行随鼠标变色
:'a |cjq private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>L5[dkg% {
lHr?sMt if (e.Item.ItemType!=ListItemType.Header)
/ey}#SHm, {
8 w^i e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\*a7DuVw e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
@k ~Xem%< }
:\gdQG }
;h3c+7u1 &P,8)YA 16.模板列
wVV'9pw} <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
If2f7{b <ITEMTEMPLATE>
_ jF,
k>F <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YDdmT7Ow </ITEMTEMPLATE>
m[(2 </ASP:TEMPLATECOLUMN>
[7Q |vu <5?.S{Z9 <ASP:TEMPLATECOLUMN headertext="选中">
m03;'Nj'7# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
AfFFu\ <ITEMTEMPLATE>
_Su$oOy(Ea <ASP:CHECKBOX id="chkExport" runat="server" />
D+#QQH </ITEMTEMPLATE>
#k5Nnv#(J <EDITITEMTEMPLATE>
w}YO+ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
x4R[Q&:M </EDITITEMTEMPLATE>
U
$e-e/ </ASP:TEMPLATECOLUMN>
!&?(ty^F 0P&rTtU6 后台代码
3zv_q&+8b protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
-h8A< {
@6(4}&sEdm //改变列的选定,实现全选或全不选。
>o%.`)Ar CheckBox chkExport ;
c$bb0J% if( CheckAll.Checked)
45q-x_ {
fPa FL}& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Q4}2-}| {
:anUr< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ixp(^>ZN chkExport.Checked = true;
YN.rj-;^+ }
L+(5`Y }
Vw<=& w #K else
9<G-uF {
j[
kg9z foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
pa4zSl {
Rs8^ 27 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
gW$X8ECX chkExport.Checked = false;
`o)rAD^e }
%F]4)XeW-+ }
K;k&w; j }
q0SYV $0+AR) 17.数字格式化
{D 9m//x G;>b}\Ng 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
9jCn|+ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
d [6[3B w0q.cj@nd int i=123456;
1#gveHm]-G string s=i.ToString("###,###.00");
V80g+)| M._9/
*C U 18.日期格式化
S[n;u-U ;r B2Q H] 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
U4w^eWzP +.!
F]0ju 显示为: 2004-8-11 19:44:28
8rx?mX,} ,-rOfk\u 我只想要:2004-8-11 】
m+?$cyA>v <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
1 }%vZE2 [z5pqd- 应该如何改?
x9hkE!{8
ocotO 【格式化日期】
5RrzRAxq |$f.Qs~? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
9o@5:.b<j /xUTm=w7u 【日期的验证表达式】
{U=Mfo?AH )! Jo7SR A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
yM`J+tq ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
k2(B{x}L ;G|5kvE> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,qz$6oxh\ ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
...|S]a *9Ej fs7L 【大小写转换】
]+@ @{?0 HttpUtility.HtmlEncode(string);
VJ8cls< HttpUtility.HtmlDecode(string)
lyc
]E
9 [K1RP. 19.如何设定全局变量
Oi+9kk
e ]|KOc& y:I Global.asax中
zy^t95/m ecfw[4B` Application_Start()事件中
G~b/!clN i|?EgGFG 添加Application[属性名] = xxx;
,UNCBnv1 FZf{kWH 就是你的全局变量
/@h)IuW `@!4#3H 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
5 Sm9m*/ c5Fl:=h HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
>NwS0j$j@ uQk} 【ASPNETMENU】点击菜单项弹出新窗口
1U[Q)(P k]K][[s` 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
%Bn"/0, <?xml version="1.0" encoding="GB2312"?>
(1Q G]1q <MenuData ImagesBaseURL="images/">
=BW;n]ls <MenuGroup>
YflM*F` <MenuItem Label="内参信息" URL="Infomation.aspx" >
#X1iig+ <MenuGroup ID="BBC">
9f1,E98w_ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
YGFE(t;lPU <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
2NMS'"8 ......
g-)izPX @#m@ . 最好将你的aspnetmenu升级到1.2版
)nE=H,U?y \JjZ _R 21.读取DataGrid控件TextBox值
G(joamfM foreach(DataGrid dgi in yourDataGrid.Items)
' b1k0 9' {
StZ GKY[Q TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
mu`:@7+Yp tb.Text....
NNDW)@p6z }
}h{8i_R {HoeK>rd 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
YytO*^e}} OynQlQD/Eu 〖思归〗
($s%5| <asp:TemplateColumn HeaderText="数量">
noI>Fw<V <ItemTemplate>
'y_<O |- <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
s9^r[l@W0U onkeyup="javascript:DoCal()"
Ix~_.& />
Lh`B5 \MhSIlM# <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
1j4tR#L </ItemTemplate>
f0Wbc\L[ </asp:TemplateColumn>
SlK6KnX EGJ d:>k <asp:TemplateColumn HeaderText="单价">
f0!i<9< <ItemTemplate>
b&]_5 GGc <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
.: dy d onkeyup="javascript:DoCal()"
R(.5Hs />
hJ|zX gu:8+/W8L <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
T)N_ ~f| X"hdCY% </ItemTemplate>
pb8sx1.j; </asp:TemplateColumn>
' 5tk0A _`|te|ccF <asp:TemplateColumn HeaderText="金额">
MuI>ZoNF <ItemTemplate>
#^FDG1= <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Q6qIx=c4 </ItemTemplate>
{"e)Jj_= </asp:TemplateColumn><script language="javascript">
V7~tIhuJH function DoCal()
+q<G%PwbV {
E]@$,)nC var e = event.srcElement;
)O}q{4,} var row = e.parentNode.parentNode;
$f>h_8cla var txts = row.all.tags("INPUT");
41^ =z[k if (!txts.length || txts.length < 3)
XWd;-%`< return;
X>-|px$vy k4i*80 var q = txts[txts.length-3].value;
o*5iHa(Qm var p = txts[txts.length-2].value;
yq7gBkS ~(v7:? if (isNaN(q) || isNaN(p))
c2E*A+V#u return;
S Lsw '< 9I1D'7wI^^ q = parseInt(q);
Q{K'# p = parseFloat(p);
rg5ZxN|g "39\@Ow txts[txts.length-1].value = (q * p).toFixed(2);
AT{rg/oSf }
>v?&&FhHK< </script>
"O (N=|b sd
m4zV]& !v fbgK #S4lRVt5 sV']p#HK0 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。
(8Ptuh6\\2 page_load
\-`,fat page.smartNavigation=true
mG\$W#+j Py72:;wn 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 ?
-|.Izgc private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
n5qg6(Tl] {
XK+"
x! for(int i=0;i<e.Item.Cells.Count-1;i++)
Vd&&GI(:?^ if(e.Item.ItemType==ListItemType.EditType)
gc6Zy|^V4` {
4>t'4p6{ e.Item.Cells.Attributes.Add("Width", "80px")
on^m2pQ
*p }
_ J t }
?zP/i(1y xCTPsw]s 26.对话框
:MPfCiAv private static string ScriptBegin = "<script language=\"JavaScript\">";
/}kG$~
private static string ScriptEnd = "</script>";
qdCcMcGt y3+iADo.p public static void ConfirmMessageBox(string PageTarget,string Content)
L^E#"f {
QKB*N)%6 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
cfZ$V^xM m8ApiGG ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
1fOH$33 -s6k't Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7B@1[ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;udV"7C //Response.Write(strScript);
~[@gu,Wb }
w\}@+w3b~ GZt L- 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
OaH1xZNOC` ?:AD&Dn 1.1 取当前年月日时分秒
qG)M8xk currentTime=System.DateTime.Now;
yQz6K6p ;Pw\p^wz 1.2 取当前年
$p;<1+! int 年= DateTime.Now.Year;
:3N&&] p!Xn iY 1.3 取当前月
QWQJSz5 int 月= DateTime.Now.Month;
umo<9Y eYQPK?jo 1.4 取当前日
*ufVZzP( int 日= DateTime.Now.Day;
o|cx? Cm"7f!(# 1.5 取当前时
oniVC', int 时= DateTime.Now.Hour;
Jk=_8Xvr` ]#sF
pWI[N 1.6 取当前分
pNnZ-R|u int 分= DateTime.Now.Minute;
)45#lE3TH t6C2DHh7$ 1.7 取当前秒
xg;I::hE7X int 秒= DateTime.Now.Second;
FQh8(^( t9eEcqMg 1.8 取当前毫秒
H.)Y*zK0. int 毫秒= DateTime.Now.Millisecond;
;O~k{5.iS T
B(K&3_D 28.自定义分页代码:
dJ(<zz+;b ;.U<Lr^9# 先定义变量 :
{A`J0ol<B9 public static int pageCount; //总页面数
E (.~[-K4 public static int curPageIndex=1; //当前页面
`k.0d`3( G%F}H/|R 下一页:
uc>]-4
if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
w!|jL
$5L {
/g)( DataGrid1.CurrentPageIndex += 1;
+R2+?v6 curPageIndex+=1;
<N(r- }
>[0t@Tu,D *8Kx y@ bind(); // DataGrid1数据绑定函数
vdaG?+_o s9rKXY',:l 上一页:
M .oH,Kd6 if(DataGrid1.CurrentPageIndex >0)
&WKAg:^k) {
d=C&b] DataGrid1.CurrentPageIndex += 1;
Q+7+||RW curPageIndex-=1;
z]/!4+ }
.LI(2lP 7CwQmVe+ bind(); // DataGrid1数据绑定函数
Ib(G!oO:E- (.pi ,+Ws 直接页面跳转:
!O 0{ .k int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
],-(YPiAD )}$]~
f4R if(a<DataGrid1.PageCount)
7h#*djef {
tjg?zlj this.DataGrid1.CurrentPageIndex=a;
XGb*LY+Db6 }
Ws/\lD {!&^VXZIT bind();
!~Ptnr`; z'01V8e 29.DataGrid使用:
Y !%2vOt :|%1i>O 添加删除确认:
GS&I6 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-2B3 xIZJ {
QV[#^1 foreach(DataGridItem di in this.DataGrid1.Items)
nrV!<nNBk {
"F:V$,mJ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
1| dXbyUd {
N c(f+8 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
| Di7,$c }
y>>)Yo&| }
A5E^1j}h@ }
P%aNbMg ?*^HZ~O1 样式交替:
37b6w6{D ListItemType itemType = e.Item.ItemType;
5t,X; VA5f+c/ % if (itemType == ListItemType.Item )
v^dQ%+}7> {
jG`,k*eUrJ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Bn{i+8I e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
wx8Qz,Z }
}R!t/8K else if( itemType == ListItemType.AlternatingItem)
Ou`;HN;[ {
i ?%_Pu e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
watTV\b e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Vg~10Q }
'{w[).c. k=4C"
添加一个编号列:
l5nm.i<M DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
vA2>&YDFX DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
q 7-ZPX T3NH8nH9"z for(int i=0;i<dt.Rows.Count;i++)
w<u@L {
?G[=pY:= dt.Rows["number"]=(i+1).ToString();
jqlfypU }
Q7]bUPDO GuC 9h^[=M DataGrid1.DataSource=dt;
M5:j)oW DataGrid1.DataBind();
~ycWcZi> 2f6BZ8H+Z DataGrid1中添加一个CheckBox,页面中添加一个全选框
BvS!P8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
SLz;5%CPV {
o@L2c3?c5 foreach(DataGridItem thisitem in DataGrid1.Items)
hkOFPt& {
y3':x[d ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
_jb&=f8 }
A=sz8?K+` }
[!#}# G-| 将当前页面中DataGrid1显示的数据全部删除
WmOu#5*; foreach(DataGridItem thisitem in DataGrid1.Items)
GX=U6n> {
J"-/ok(<@ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7 lSR {
&4wwp !J string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
-"EPU]q Del (strloginid); //删除函数
vdh[%T,& }
V4&a+MJ@ }
=zTpDL 6rM{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)
vVZ+u4y \opcn\vW 在Application_Start中添加以下代码:
:31?Z(fQ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
r4ljA@L AppSettings["ConnStr"].ToString();
u2OrH3E4E3 26p_fKY 31. 变量.ToString()
y@SI )&D
klMpiy 字符型转换 转为字符串
KGGnypx` 12345.ToString("n"); //生成 12,345.00
6tGF 12345.ToString("C"); //生成 ¥12,345.00
7m %[$X` 12345.ToString("e"); //生成 1.234500e+004
BMtk/r/ 12345.ToString("f4"); //生成 12345.0000
shEAr*u 12345.ToString("x"); //生成 3039 (16进制)
N8DouDq 12345.ToString("p"); //生成 1,234,500.00%
d@tf+_Ih
A"1%E.1 32、变量.Substring(参数1,参数2);
}~p%e2< dsOt(yNo 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);
?zf3AZ9 uPC(|U% 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)
}:Y)DH%u <SCRIPT language="javascript">
!DUOi4I <!--
3a&HW
JBSx function gook(pws)
4aKppj {
RXo 6y(^ frm.submit();
hu>wcOt }
#ro$$I; //-->
4];>O 5LZs_%# </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
P@Fx6 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
QX42^]({;c <tr>
2.^CIJc <td>
CfVL' <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
r?w>x` <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
jxZf,]>T <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Dk&(QajL ~pHuh#> <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
h/2@4XKj <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
?mF:L"i S..8,5mBH </td>
:YPi>L5 }=JSd@`_ </tr>
A
H=%6oT2 ArScJ\/Nwv </form>
RN}joKV D2J)qCK1) 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。
C^c<s bc NyB$S 下面是获取用户输入的登陆信息的代码:
\qTp#sF string name;
^y%8_r& name=Request.QueryString["EmailName"];
JDW/Mc1bh "Pu917_P try
?]aVRmL {
8hYl73# int a=name.IndexOf("@",0,name.Length);
#K*p1}rf f_user.Value=name.Substring(0,a);
pNZ3vTs6 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
*>HS>#S f_pass.Value=Request.QueryString["Psw"];
!E|R3eX_ }
A'Z!l20_ k2fJ catch
gvPHB+#A {
S(^YTb7 Script.Alert("错误的邮箱!");
&kn?=NW Server.Transfer("index.aspx");
pju*i6z }