1. 打开新的窗口并传送参数:
'=eE6=m^K L=WB'*N 传送参数:
4\%XC
F! response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@n:.D9 D&r2k
9 接收参数:
J=qPc}+ string a = Request.QueryString("id");
bP ,_H string b = Request.QueryString("id1");
}8cX0mZ1j $1$T2'C~+ 2.为按钮添加对话框
;BMm47< Button1.Attributes.Add("onclick","return confirm(’确认?’)");
rCa2$#Z button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nmrYB w> S0<m><|kl 3.删除表格选定记录
>ey-j\_v int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!,3U_! string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
^ M4-O~ K'zG[[P 4.删除表格记录警告
{l -V private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
v
lsS {
Z'I0e9Jw switch(e.Item.ItemType)
!p~K;p, {
L7lRh=D case ListItemType.Item :
E[RLBO[*n case ListItemType.AlternatingItem :
T>;Kq;(9 case ListItemType.EditItem:
.wfN.Z TableCell myTableCell;
JKsdPW<? myTableCell = e.Item.Cells[14];
/Aq):T T LinkButton myDeleteButton ;
{?dW- myDeleteButton = (LinkButton)myTableCell.Controls[0];
`i)&nW)R myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|ozlaj break;
uJ! yM;{+ default:
wzRIvm{ break;
?~5J!|r# }
Xqac$%[3 S(f V ,;Z }
8?7gyp!k_f Ag!#epi{0 5.点击表格行链接另一页
GCgpe(cQ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G$D6#/rR {
4U*uH //点击表格打开
H}$hk if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
An%V>a-[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
>WW5Apy[ }
UUt631 mxRe2<W 双击表格连接到另一页
S-Y(Vn4 `(9B(&t^, 在itemDataBind事件中
/B?hM&@z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6/#5TdJA {
mJ%r2$/* string OrderItemID =e.item.cells[1].Text;
]3E':JM@ ...
;#$zHR e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
H?=D, }
7BX%z$_)A *0^t;A+ 双击表格打开新一页
'*KP{"3\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
DjT ekn {
M\s^>7es string OrderItemID =e.item.cells[1].Text;
Qp?n0WXZ ...
^gdg0y!5~ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
-e{H 8ro }
pw7_j;}l UI4Xv ★特别注意:【?id=】 处不能为 【?id =】
Vo%UiVHy 6.表格超连接列传递参数
ibOXh U <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
D^Z~>D6 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
A_t<SG5
O;A/(lPW+ 7.表格点击改变颜色
]rh)AE!Y( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
"iof -b=ys {
8bX\^&N e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
\?} {wh8 this.style.color=’buttontext’;this.style.cursor=’default’;");
&\C{,:[ }
[^gSWU bz~-uHC 写在DataGrid的_ItemDataBound里
_l?5GLl_F$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
f-\l<o( {
Zv=p0xH e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
]'aGoR this.style.color=’buttontext’;this.style.cursor=’default’;");
-BV&u( e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
g(:y_EpmLH }
B%Yb+M&K N[}XLhbt V,uhBMT# 8.关于日期格式
A&5$eGe9 Oh:SH|=]# 日期格式设定
rrSA.J{ DataFormatString="{0:yyyy-MM-dd}"
MjI}fs< 55oLj.l^j 我觉得应该在itembound事件中
KG#|Cq e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qi7wr\XNW O'."ca]:5 9.获取错误信息并到指定页面
?.A6HrAPB 'ce9v@(0 不要使用Response.Redirect,而应该使用Server.Transfer
utwh"E&W <,0&Ox e.g
tS2lex% // in global.asax
eT+MN` protected void Application_Error(Object sender, EventArgs e) {
?<w +{ if (Server.GetLastError() is HttpUnhandledException)
"VWxHRVg4M Server.Transfer("MyErrorPage.aspx");
s=huOjKL]
k#%19B //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
su=.4JcK }
zck)D^,aO U2ANu| Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
LM _4.J &V( LeSI 10.清空Cookie
wH#k~`M Cookie.Expires=[DateTime];
N13 <!QQ Response.Cookies("UserName").Expires = 0
CWkm\= No[xf9>t 11.自定义异常处理
HIhoYSwB //自定义异常处理类
>[xQUf,p using System;
I{cn ,,8 using System.Diagnostics;
ecf7g)+C *OF7{^~& namespace MyAppException
4r(rWlM {
qrX6FI /// <summary>
o7 !@WOeZ3 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
+N4h
Q" /// 自动将异常内容记录到Windows NT/2000的应用程序日志
9/s-|jD /// </summary>
8}\"LXRbo public class AppException:System.ApplicationException
&P ;6P4x {
sCb?TyN'n public AppException()
0l_-
{
*pasI.2s# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
N=+Up\h }
v!`M=0k YgWnPp public AppException(string message)
"Pys3=h {
"Ln\ZYB] LogEvent(message);
w\t{' }
&2\.6rb. y6jTT% public AppException(string message,Exception innerException)
%n}]$
d {
M(3E
b;` LogEvent(message);
R1q04Zj{2 if (innerException != null)
gieX`} {
U |4%ydG LogEvent(innerException.Message);
*gT
TI;: }
n(o
Jb }
%)aDh
}
xEiW]Eo //日志记录类
xUrfH$$!` using System;
;8b f5 using System.Configuration;
n6uobo- using System.Diagnostics;
L:^'cl}
G using System.IO;
Vk_L*lcN using System.Text;
(~#PzE: using System.Threading;
zu|pL`X lMO0d_:b1 namespace MyEventLog
\R#XSW, {
aVtwpkgZ /// <summary>
4*dT|NU /// 事件日志记录类,提供事件日志记录支持
"1#,d#Q $ /// <remarks>
1%=,J'AH /// 定义了4个日志记录方法 (error, warning, info, trace)
i'EXylb /// </remarks>
5g&'n /// </summary>
a,tP.Xsl public class ApplicationLog
Y|lMa?\E {
be@MQ}6> /// <summary>
uuC/F_='B /// 将错误信息记录到Win2000/NT事件日志中
{jq-dL /// <param name="message">需要记录的文本信息</param>
p' gv5\u[w /// </summary>
H5aUZ= public static void WriteError(String message)
_88~uYG {
`H|g~7KD& WriteLog(TraceLevel.Error, message);
I%s/h4x^B[ }
E|fPI u $ `ho+ /// <summary>
. }1!MK5 /// 将警告信息记录到Win2000/NT事件日志中
BW*zj=N% /// <param name="message">需要记录的文本信息</param>
}gn0bCJy /// </summary>
O0I/^ public static void WriteWarning(String message)
,#m\W8j {
x-W0 h WriteLog(TraceLevel.Warning, message);
C'$U1%:
j }
5s|gKM Cv=0&S. /// <summary>
lubS{3< /// 将提示信息记录到Win2000/NT事件日志中
7)]G"m{ /// <param name="message">需要记录的文本信息</param>
A6Qi^TI /// </summary>
4@Qq5kpk* public static void WriteInfo(String message)
l-npz)EM {
}Ag2c; aaq WriteLog(TraceLevel.Info, message);
lwB!ti }
s-DtkO
/// <summary>
l;C_A;y\ /// 将跟踪信息记录到Win2000/NT事件日志中
&S{F"z /// <param name="message">需要记录的文本信息</param>
oc?VAF /// </summary>
&KB{,:)? public static void WriteTrace(String message)
D;E&;vP6% {
xSf3Ir(, WriteLog(TraceLevel.Verbose, message);
.KD07 }
YJ0[BcZ 0j yokER /// <summary>
2,fB$5+ /// 格式化记录到事件日志的文本信息格式
R3<+z /// <param name="ex">需要格式化的异常对象</param>
$200?[ /// <param name="catchInfo">异常信息标题字符串.</param>
Yl f4q/- /// <retvalue>
npF[J x[ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
f0uiNy(r$ /// </retvalue>
^m7PXY /// </summary>
,s)H% public static String FormatException(Exception ex, String catchInfo)
~E\CAZ {
^q6~xC,/ StringBuilder strBuilder = new StringBuilder();
x{- caOH if (catchInfo != String.Empty)
+1y#=iM{ {
l%IOdco# strBuilder.Append(catchInfo).Append("\r\n");
?b0\[ }
,)RdXgCs strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
B+<k,ad return strBuilder.ToString();
Q9' p2@Z }
AjS5 oMVwIdf /// <summary>
4M]8po/; /// 实际事件日志写入方法
)<|T Ep4r- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Q&J,"Vxw /// <param name="messageText">要记录的文本.</param>
^/+sl-6/F /// </summary>
g[$B90 private static void WriteLog(TraceLevel level, String messageText)
x<l1s {
}B5I#Af7 try
)0Lq>6j9 {
2Ar<(v$ EventLogEntryType LogEntryType;
zaZnL7ZJX switch (level)
RD4)NN6y5} {
:U9R
1^}A case TraceLevel.Error:
yV8).4 LogEntryType = EventLogEntryType.Error;
_pS%tPw break;
EI;\of2, case TraceLevel.Warning:
t'J
fiGM LogEntryType = EventLogEntryType.Warning;
}:%pOL n break;
VtO+=mZV case TraceLevel.Info:
X_qXH5^% LogEntryType = EventLogEntryType.Information;
{G}HZv%S U break;
Rc4EFHL case TraceLevel.Verbose:
Q@8[q l1l LogEntryType = EventLogEntryType.SuccessAudit;
>W;i2%T break;
I%p#E#[G default:
u!i5Q LogEntryType = EventLogEntryType.SuccessAudit;
lm|`Lh- break;
ZeeuH"A }
|(%H O@i l;.BlHyu EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
/K^cU;E, //写入事件日志
q
:bKT#\ eventLog.WriteEntry(messageText, LogEntryType);
c&++[ 8VZ-`?p }
=Wf@'~K0k" catch {} //忽略任何异常
.H"hRYPC? }
FMVmH!E } //class ApplicationLog
~laZ(Bma); }
L9T u>4 :m d3@r'] 12.Panel 横向滚动,纵向自动扩展
`9ox?|iJ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
)hug<D *h K288&D|1WU 13.回车转换成Tab
|6>_L6t <script language="javascript" for="document" event="onkeydown">
aM~fRra7 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
f2wW2]Fg event.keyCode=9;
W%1S:2+Kl </script>
zqh{=&Tjx +HX'A C onkeydown="if(event.keyCode==13) event.keyCode=9"
+]-KzDsr"V lIz_0rE 14.DataGrid超级连接列
))`Zv=y" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9^u?v`!
qN@a<row&~ 15.DataGrid行随鼠标变色
o!~bR
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
to3J@:V8e {
d<'xpdxc if (e.Item.ItemType!=ListItemType.Header)
|Z ,G
{
Wv"tAseu e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
kre&J e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
$1+K}tP }
5F"?]'*/ }
Z+"&{g N^+ww]f? 16.模板列
6mdnEmFM] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
F"x O0t <ITEMTEMPLATE>
PoJ$%_a} <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Jdn*?hc+ </ITEMTEMPLATE>
d 4]%Wdvf </ASP:TEMPLATECOLUMN>
BuTIJb+Q\ H|UL5<:]D <ASP:TEMPLATECOLUMN headertext="选中">
%z~U@Mka <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
^d80\PXz <ITEMTEMPLATE>
a[n$qPm} <ASP:CHECKBOX id="chkExport" runat="server" />
`?JgHk </ITEMTEMPLATE>
~7pjk <EDITITEMTEMPLATE>
kA__*b}8UK <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
sg{D ?zl </EDITITEMTEMPLATE>
vC:b?0s #( </ASP:TEMPLATECOLUMN>
U*Qq5=dqD 'c&@~O;^d 后台代码
rf->mk{ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
f_ztnRw {
/y)"j#-eW //改变列的选定,实现全选或全不选。
|A0$XU{ CheckBox chkExport ;
v9U(sEDq if( CheckAll.Checked)
6;cY!
{
D a[C'm= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N@6OQ:,[F {
Z=@) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6
]Oxx{|} chkExport.Checked = true;
0j(jJAE. }
B#"|5 }
WuFwt\U else
J4"swPf {
hw$c@:pW; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
JGcD{RU| {
YM`pNtQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8e!DDh chkExport.Checked = false;
pYl{:uIPN8 }
;9 ,mV(w }
HhmVV"g }
vt@Us\fI `t0f L\T 17.数字格式化
j yRSEk$ =nx:GT3&[ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
-'[(Uzj <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Wi[m`# lVdT^"~3 int i=123456;
M~Qj'VVL string s=i.ToString("###,###.00");
|90
+)/$4 Xexe{h4t_> 18.日期格式化
Pzp+I} pXh~#o6V 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
K\+}q{ .^lbLN^2 显示为: 2004-8-11 19:44:28
ie@`S&.8 T x
XM!E
8 我只想要:2004-8-11 】
e j%;%`C- <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^Wfgwmh IT`=\K/[4 应该如何改?
kt{C7qpD ZQ~myqx,+L 【格式化日期】
[W$Z60?RR
Hp} 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
PKR $I }l(m5 【日期的验证表达式】
i9eyrl+! s
S5fd)x A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
ydND$@; Z ^((\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})))?$
HNy/ - x8?x/xE B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
5 n+ e ^\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]))$
y[p$/$bgC5
ml.;wB| 【大小写转换】
#M?F^u[ HttpUtility.HtmlEncode(string);
Ah>gC!F^ HttpUtility.HtmlDecode(string)
o}MzqKfu Sf&?3a+f 19.如何设定全局变量
jD/7/G* XDkS
^9 Global.asax中
8b:clvh &.Latx Application_Start()事件中
bug Fl> L;
q)8Pb 添加Application[属性名] = xxx;
:%#r.p"6x :vK(LU0K 就是你的全局变量
NdsX*o@a ?orh JS 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
5U{4TeUH -/UXd4S HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
R+E_#lP_$ DVl[t8K! 【ASPNETMENU】点击菜单项弹出新窗口
W&e'3gk _ gf3U#L}P 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
V+O0k: o <?xml version="1.0" encoding="GB2312"?>
G7Z vfLR{: <MenuData ImagesBaseURL="images/">
I{42'9 <MenuGroup>
LiZdRr <MenuItem Label="内参信息" URL="Infomation.aspx" >
kxm:g)`=[ <MenuGroup ID="BBC">
1GG>.RCP <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
^r>f2 x <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
O:;OR'N9 ......
-4e)N*VVu 9K ;k% 最好将你的aspnetmenu升级到1.2版
4r1<,{gCS NTm<6Is` 21.读取DataGrid控件TextBox值
RQ^m6)BTo foreach(DataGrid dgi in yourDataGrid.Items)
CYt jY~ {
|
"Jx TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
j?\$G.Y tb.Text....
5[,+\ }
0{?:FQ# <E>7>ZL 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?
d&[iEU AozmO 〖思归〗
@sw9A93A <asp:TemplateColumn HeaderText="数量">
Y^R?Q' <ItemTemplate>
{gFAvMj# <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
%/l-A
pu onkeyup="javascript:DoCal()"
-RG8<bI, />
P>*Fj4Z~ }+Rgx@XZ\ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
s,
n^ </ItemTemplate>
EkJVFHfh </asp:TemplateColumn>
17>5#JLP ]?0{(\ <asp:TemplateColumn HeaderText="单价">
Nfv="t9e <ItemTemplate>
K,f* SXM <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
\G$QNUU onkeyup="javascript:DoCal()"
@[MO,J&h />
kS B {I0w`xe <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
ePp[m
zg6 SU%mmwES3 </ItemTemplate>
#V.ZdLo( </asp:TemplateColumn>
PXw|
L [ rQMD^:M$ <asp:TemplateColumn HeaderText="金额">
}#yU'#|d <ItemTemplate>
C=N!z <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
^Xs%.`Gv/ </ItemTemplate>
)|y#OZHR </asp:TemplateColumn><script language="javascript">
fyM3UA\U function DoCal()
&Nc[$H7< {
wgY6D!Y var e = event.srcElement;
9p<:=T var row = e.parentNode.parentNode;
[34zh="o var txts = row.all.tags("INPUT");
1ZT^)/ G if (!txts.length || txts.length < 3)
Wrmgu}q return;
3A-*vaySV "\}b!gl$8 var q = txts[txts.length-3].value;
Q_ctX|. var p = txts[txts.length-2].value;
a9[mZVMgUK i=oTg if (isNaN(q) || isNaN(p))
_
XE;-weE return;
`-VG ?J >s&XX,
w q = parseInt(q);
>n]oB~P% p = parseFloat(p);
A -Mj|V HHz;0V4w? txts[txts.length-1].value = (q * p).toFixed(2);
r"R(}`<, }
]>5T}h </script>
9%sFJ d9O:,DKf cZqfz *kP;{Cb` 8tU>DJ}0 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
mge#YV:: page_load
'X9AG6K1 page.smartNavigation=true
lM>.@:
:-z&Y492 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
K[kds` private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
a$d:_,\" {
G.E[6G3 for(int i=0;i<e.Item.Cells.Count-1;i++)
aX|g S\zx if(e.Item.ItemType==ListItemType.EditType)
zm>>} 5R {
5J
ySFG3 e.Item.Cells.Attributes.Add("Width", "80px")
Ua %UbAt }
.}o~VT:!?Y }
Nj+a2[ ;_}~%-_
~ 26.对话框
KYp[Gs private static string ScriptBegin = "<script language=\"JavaScript\">";
rn;<HT private static string ScriptEnd = "</script>";
/ip lU +jUgx;u, public static void ConfirmMessageBox(string PageTarget,string Content)
]D O&x+Rb {
e,(a6X string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
t<Ot|Ex 42&v% ;R ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
ML=eL*}l zX98c Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
`?l3Ct* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
6D|p Qs //Response.Write(strScript);
/hL\,x2 }
g0PT8]8 Xx_tpC? 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Xh?4mKgu vDsF-u1 1.1 取当前年月日时分秒
OZf6/10O/ currentTime=System.DateTime.Now;
Zae.MO^C! uQnT[\k? 1.2 取当前年
H9U.lb int 年= DateTime.Now.Year;
{Ur7#h5 gljo;f: 1.3 取当前月
w8p8 ;@ int 月= DateTime.Now.Month;
GF*>~_Yr @o6R[5( 1.4 取当前日
{?Od{d9 int 日= DateTime.Now.Day;
b]T@gJ4H= YScvyh?E 1.5 取当前时
>p0KFU int 时= DateTime.Now.Hour;
t8P PE _g~2R#2Q 1.6 取当前分
kO1}?dWpa int 分= DateTime.Now.Minute;
Us]=Y}( M diwRi 1.7 取当前秒
b?8)7.{F{ int 秒= DateTime.Now.Second;
1fH<VgF` )qv2)a!H 1.8 取当前毫秒
Tg0CE60"
int 毫秒= DateTime.Now.Millisecond;
yrnv!moc%t `rlk|&T1 28.自定义分页代码:
vy[C'a A|L'ih/ 先定义变量 :
iPvuz7j=h public static int pageCount; //总页面数
(,B#t7ka public static int curPageIndex=1; //当前页面
f"dSr
s3:9$.tiR[ 下一页:
O(c@PJem if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
lj4o#^lC {
.1#kDM DataGrid1.CurrentPageIndex += 1;
iG#}` curPageIndex+=1;
kJT+ }
i7 w(S3a H}/05e bind(); // DataGrid1数据绑定函数
Wpr
,jN8b uR$i48} 上一页:
.t= if(DataGrid1.CurrentPageIndex >0)
; b*i3*!g {
Y%@hbUc}x9 DataGrid1.CurrentPageIndex += 1;
eVJ^\z:4 curPageIndex-=1;
@ }&_Dvf }
ml0*1Dw Z.1>
kZ bind(); // DataGrid1数据绑定函数
6@V~0DG v7,$7@$:\ 直接页面跳转:
6~xBi(m` int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Ls}7VKl' qtMD CXZ^n if(a<DataGrid1.PageCount)
PyBD {
hr/o<#OW this.DataGrid1.CurrentPageIndex=a;
r|eZv<6 }
D=+NxR[ ,eRQu. bind();
nL-K)G, ,[e\cnq[ 29.DataGrid使用:
@1:0h9% Z6Fp\aI8@ 添加删除确认:
ok{!+VCB5 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
esX)"_xf {
jQ+sn/ROp foreach(DataGridItem di in this.DataGrid1.Items)
fQdK]rLj {
t~hTp K* if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Gh\q^?} {
GpI!J}~m ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
+?dl`!rE }
VUwC-) }
;+/o?:AH }
Nd@~>&F Ef)yQ 样式交替:
*F`A S> ListItemType itemType = e.Item.ItemType;
"@/62b hgj <>H| if (itemType == ListItemType.Item )
Iz@)!3h {
;j%BK(5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
2=iH$v e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
C\*4q8( }
,xfO;yd else if( itemType == ListItemType.AlternatingItem)
B*3Y!! {
}`\/f e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
eOI (6U! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
CAD@XZSh }
SF[FmN!^^ t#i,1aHA 添加一个编号列:
n6<V+G)T DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
~Z'w)!h DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
8|%^3O 0X 8}s.Fg@tE for(int i=0;i<dt.Rows.Count;i++)
])}(k {
cC'x6\a dt.Rows["number"]=(i+1).ToString();
yR;{ }
r^,<(pbd ;j8)KC DataGrid1.DataSource=dt;
ACq7dLys,B DataGrid1.DataBind();
p< "3&HA Iw<i@=V DataGrid1中添加一个CheckBox,页面中添加一个全选框
-E"GX private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
CQh,~ {
Q'O[R+YT , foreach(DataGridItem thisitem in DataGrid1.Items)
y|wlq3o {
^BQrbY ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
P
[Uy }
U.!lTLjfLz }
!> }.~[M ,#?uJTLH 将当前页面中DataGrid1显示的数据全部删除
6/V3.UP- foreach(DataGridItem thisitem in DataGrid1.Items)
y:m_tv0~0 {
&0zT I?c if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
mZz="ZLa: {
:j }fC8' string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
zOgTQs"ZH Del (strloginid); //删除函数
03E4cYxt5 }
4k-+?L!/G }
YjOs}TD lx ' Z0r>. 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
jw<pK4?y 29CINC 在Application_Start中添加以下代码:
a]
= Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
}v:jncp AppSettings["ConnStr"].ToString();
%wcSM~w :+Om]#`Vls 31. 变量.ToString()
:0& X^]\ `K~AhlJUQ 字符型转换 转为字符串
2_vbT!_ 12345.ToString("n"); //生成 12,345.00
B33$pUk 12345.ToString("C"); //生成 ¥12,345.00
ABE@n%|` 12345.ToString("e"); //生成 1.234500e+004
:G\<y 12345.ToString("f4"); //生成 12345.0000
Tm_B^W} 12345.ToString("x"); //生成 3039 (16进制)
b2b?hA'k 12345.ToString("p"); //生成 1,234,500.00%
<Rh6r}f r}[7x]sP 32、变量.Substring(参数1,参数2);
J:&[59 26T "XW'_ 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);
]e.JNo ^uv<6 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)
Vq;dJ%sY <SCRIPT language="javascript">
4vBL6!z:Z <!--
~.;<
Bj function gook(pws)
M9zfT!- {
J+d1&Tw& frm.submit();
=] *.ZH#h }
mU}F!J#6 //-->
4jD2FFG-
G F1L:,.e` </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
a:QDBS2Llv <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Uf}\p~; <tr>
C4TE-OM8 <td>
s(X;Eha <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
UfS%71l.$ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
p+)Y Tzzc <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
3U_2! zF3_ a7N!B' y <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
3Zi@A4Wu <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
k'0Pi6 ^%O]P`$ </td>
xhcK~5C ZXm/A0)S </tr>
4:g R r
}.s~T#v </form>
M|:UwqV> Yw#2uh 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。
tHzZ@72B7 pAT7)Ch
下面是获取用户输入的登陆信息的代码:
fbUr`~Y" string name;
7jdb)l\p= name=Request.QueryString["EmailName"];
As>_J=8} 3 ?lP':'P try
E*+{t~ {
XQw>EZdj_N int a=name.IndexOf("@",0,name.Length);
L|p
Z$HB f_user.Value=name.Substring(0,a);
l\C.",CEcc f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)ZN|t?| f_pass.Value=Request.QueryString["Psw"];
qvPtyc^fN }
M![J2= BCA&mi3q catch
fkac_X$7 {
o}ZdTf= Script.Alert("错误的邮箱!");
YpqrZWvh Server.Transfer("index.aspx");
kh`"WN Nt }