1. 打开新的窗口并传送参数:
^1vKhO+p$ 7(uz*~Z?`0 传送参数:
dP+wcl4 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
U#]J5'i B :S8{ 接收参数:
de)4)EzUP string a = Request.QueryString("id");
OzD\*,{7 string b = Request.QueryString("id1");
Wh) U\B9Ab 2.为按钮添加对话框
6wj o:I Button1.Attributes.Add("onclick","return confirm(’确认?’)");
u$C\#y7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]1XtV< B@NBN&Fr 3.删除表格选定记录
}(
CYok int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
bmK string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
1#%H!GKvTU `GW&*[.7 4.删除表格记录警告
|59)6/i private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
|JF,n~n {
p
JT)X8K" switch(e.Item.ItemType)
/]'&cD 1 {
od5nRb case ListItemType.Item :
m;\nMdn case ListItemType.AlternatingItem :
\#LDX,= case ListItemType.EditItem:
rab$[?] TableCell myTableCell;
FU/:'/ L myTableCell = e.Item.Cells[14];
5>+@.hPX LinkButton myDeleteButton ;
TfT^.p* myDeleteButton = (LinkButton)myTableCell.Controls[0];
r~YBj>} myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}$ySZa9 break;
.r{t&HO;Y default:
f<iK% break;
)[J!{$&y }
~tyqvHC j6RV{Lkr_ }
c0o Z7)*} az:}RE3o 5.点击表格行链接另一页
1 :$#a private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)^AZmUYZ {
wdfbl_`T //点击表格打开
iQ(j_i'+!I if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
k}qQG}hB e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
1.k=ji$D0 }
|9\i+)C i!*<LIq 双击表格连接到另一页
=}Zl
E 0C>_aj 在itemDataBind事件中
utuWFAGn A if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
n44 T4q {
EyVu-4L:# string OrderItemID =e.item.cells[1].Text;
m BFNg3_ ...
kP+,x H)1 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
S|)atJJ0G" }
3@\/5I xn e)B1)c 8s 双击表格打开新一页
B>>_t2IU if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8 yi#] 5`Q {
dm[cl~[
Q string OrderItemID =e.item.cells[1].Text;
b@8z+,_ ...
R:&y@/JY8[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
]xMZo){[| }
z9 Ch %A{ ^h2+"" ★特别注意:【?id=】 处不能为 【?id =】
3^%2, 6.表格超连接列传递参数
2wB*c9~ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
%L-qAI&V <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/CO=!*7fz
FXDB> }8 7.表格点击改变颜色
hZ452W if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
K$,<<hl {
mz%l4w?' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
K mH))LIv this.style.color=’buttontext’;this.style.cursor=’default’;");
9xz@2b@ }
*cCx]C.~ j3;W-c`5 写在DataGrid的_ItemDataBound里
i0/QfB%O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
b way+lh {
@@U e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
>A X_"Q~ this.style.color=’buttontext’;this.style.cursor=’default’;");
w^
z ftm e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
:%J;[bS+ }
r>ed/<_>m; 9v`sSTlSd <(@S;?ZEW 8.关于日期格式
He'VqUw_ 5NUaXQ 日期格式设定
O2ktqAWx@ DataFormatString="{0:yyyy-MM-dd}"
N,rd= m+ J-'XT_k:iM 我觉得应该在itembound事件中
1!G}*38; e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
HQ9tvSc BRM `/s 9.获取错误信息并到指定页面
{g1"{ VFZ?<m 不要使用Response.Redirect,而应该使用Server.Transfer
,M?8s2? dWkQ NFKF e.g
'A.5T%n- // in global.asax
(>A#|N1U protected void Application_Error(Object sender, EventArgs e) {
[(_,\:L${ if (Server.GetLastError() is HttpUnhandledException)
,)*[Xa_n Server.Transfer("MyErrorPage.aspx");
)uOtQ0 PkyX,mr#1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
i&lW&] }
68h1Wjg:"! 4hxP`!< 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
S-o)d P HOngn 10.清空Cookie
q x1Js3% Cookie.Expires=[DateTime];
j>;1jzr2} Response.Cookies("UserName").Expires = 0
-ak.wwx\ 2bTS,N/> 11.自定义异常处理
syg{qtBz^ //自定义异常处理类
N[3Y~HX!q using System;
yH-&o, using System.Diagnostics;
!Whx^B: Z]Udx namespace MyAppException
*,CJ 3<> {
lMu9Dp /// <summary>
ZT*}KJm /// 从系统异常类ApplicationException继承的应用程序异常处理类。
bj@R[!ss /// 自动将异常内容记录到Windows NT/2000的应用程序日志
$8U$.~v /// </summary>
m-\_L=QzM public class AppException:System.ApplicationException
4(P<'FK $ {
F*#!hWtb public AppException()
mMXDzAllB {
KzV|::S^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
C^,baCX }
eq%cRd]u xS%&l)dT public AppException(string message)
:3R3>o6m {
O>hh LogEvent(message);
0lniu=xmQ- }
~D}fy *&Iv Eu public AppException(string message,Exception innerException)
wT- -i@@ {
0_ST2I"Ln LogEvent(message);
\.i ejB if (innerException != null)
p<'pqf {
-f ~1Id LogEvent(innerException.Message);
zE1=P/N }
QnBWZUI }
&F:.V$ ;%
KS?;%[ //日志记录类
@.a59kP8X using System;
mD% qDKI using System.Configuration;
C.#Ha-@uz using System.Diagnostics;
]?T^tJ using System.IO;
Hpz1Iy@ using System.Text;
ZG1TRF " using System.Threading;
Bf y XSN=0N!GB namespace MyEventLog
P8h|2,c% {
<>$CYTb /// <summary>
gV9bt~ /// 事件日志记录类,提供事件日志记录支持
O86p]Lr /// <remarks>
`?[,1 /// 定义了4个日志记录方法 (error, warning, info, trace)
q'y<UyT6 /// </remarks>
n05GM.|*s /// </summary>
A9]&w public class ApplicationLog
\}n_Sk {
JBq6Qg /// <summary>
'J0I$-QYk /// 将错误信息记录到Win2000/NT事件日志中
XPdqE`w=$p /// <param name="message">需要记录的文本信息</param>
CF-tod /// </summary>
l?_Fy_fBt public static void WriteError(String message)
rrE f<A} {
R#y"SxD() WriteLog(TraceLevel.Error, message);
/DHV-L }
L1G)/Vkw vpT\CjXHZ /// <summary>
tN)t`1_j /// 将警告信息记录到Win2000/NT事件日志中
#b)`as?!1 /// <param name="message">需要记录的文本信息</param>
|N6.:K[` /// </summary>
K%
snE7X?) public static void WriteWarning(String message)
LDU4 D {
bFL2NH5 WriteLog(TraceLevel.Warning, message);
=(\BM')l }
BUsxgs"), iyR"O1] /// <summary>
{0+WVZ4u /// 将提示信息记录到Win2000/NT事件日志中
pQc-}o" /// <param name="message">需要记录的文本信息</param>
fyT|xI`iD /// </summary>
JJg;X :p public static void WriteInfo(String message)
M,kO7g {
6!itr" WriteLog(TraceLevel.Info, message);
]LxE#R5V }
Ja&S_'P[ /// <summary>
&M3KJ I0L /// 将跟踪信息记录到Win2000/NT事件日志中
yDZm)|<. /// <param name="message">需要记录的文本信息</param>
dP_bFU zg /// </summary>
,gG RCp public static void WriteTrace(String message)
pJ1\@G {
8_Uhh5[ WriteLog(TraceLevel.Verbose, message);
m:0[as= }
3'i(wI~<[ hP.Km%C)0n /// <summary>
s3@mk\?qMe /// 格式化记录到事件日志的文本信息格式
P4{~fh ( /// <param name="ex">需要格式化的异常对象</param>
"Lk BN0D /// <param name="catchInfo">异常信息标题字符串.</param>
b+arnKo1fk /// <retvalue>
.I#_~C'\ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
A1Uy|Dl /// </retvalue>
B1U!*yzG6 /// </summary>
kMLJa=]$ public static String FormatException(Exception ex, String catchInfo)
R:Ih#2R {
Svo\+S StringBuilder strBuilder = new StringBuilder();
t54?<- if (catchInfo != String.Empty)
2,g4yXws5 {
.:Sk=r4u\ strBuilder.Append(catchInfo).Append("\r\n");
[7r^fD
A }
tq'ri-c&b strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
?GhMGpdMq return strBuilder.ToString();
#XqCz>Z }
Dyo^O=0c W4k$m2 /// <summary>
o%;ly /// 实际事件日志写入方法
~a_X
7 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
T"X]@9g^- /// <param name="messageText">要记录的文本.</param>
KDP4 7A /// </summary>
:HY =^$\ private static void WriteLog(TraceLevel level, String messageText)
xw_)~Y%\ {
(4ZO[Ae try
-K8F$\W {
!||Gfia EventLogEntryType LogEntryType;
b.?;I7r
switch (level)
Rmn{Vui9\ {
j%bC9UkE3 case TraceLevel.Error:
wWf_d jd LogEntryType = EventLogEntryType.Error;
T!41[vm( break;
;Sg.E8 case TraceLevel.Warning:
]yqE6Lf9 LogEntryType = EventLogEntryType.Warning;
T2azHo7 break;
:WQlpLn case TraceLevel.Info:
,~1k:>njY~ LogEntryType = EventLogEntryType.Information;
> cWE@P break;
gCG#?f case TraceLevel.Verbose:
0 } &/n>F LogEntryType = EventLogEntryType.SuccessAudit;
bE2O[B break;
R'>@ja* default:
\SO)|M>. a LogEntryType = EventLogEntryType.SuccessAudit;
ZADMtsk break;
ZS]Z0iZv9 }
a:HN#P)12 ?)k]Vg. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\.H9e/vU` //写入事件日志
Z^4+ 88 eventLog.WriteEntry(messageText, LogEntryType);
vp!F6ZwO +'olC^?5 } }
)YAU|sCAi$ catch {} //忽略任何异常
b30Jr2[ }
!'BXc%`x[ } //class ApplicationLog
.%.7~Nu, }
SVn@q|N tH
*| 12.Panel 横向滚动,纵向自动扩展
7(tsmP <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.{`C>/"} 5%fWX'mS 13.回车转换成Tab
_JNYvngm <script language="javascript" for="document" event="onkeydown">
r`EjD}2d if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
F?H=2mzKbz event.keyCode=9;
&zEBfr </script>
=GF=_Ac u1#(~[.
onkeydown="if(event.keyCode==13) event.keyCode=9"
?(K=du y6[ le*T 14.DataGrid超级连接列
i(cKg&+ktd DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
c@}t@k Tt{z_gU6 15.DataGrid行随鼠标变色
</xf4.C private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
R@tEC)Zn {
;A7JX:*?y= if (e.Item.ItemType!=ListItemType.Header)
m9:ah< {
SvvNk e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
w <"mS*Q e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&$_!S!Sa/ }
+By '6?22 }
dlCYdwP i}v.x 16.模板列
oS9Od8 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ZxT
E(BQv <ITEMTEMPLATE>
.7b%7dQ<\ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{!qnHv\S </ITEMTEMPLATE>
=*lBJ-L </ASP:TEMPLATECOLUMN>
$HQ4 o\~ Ny/eYF# <ASP:TEMPLATECOLUMN headertext="选中">
J+
S]Qoz <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
rQ]JM <ITEMTEMPLATE>
F4z#u2~TC <ASP:CHECKBOX id="chkExport" runat="server" />
QQV8Vlv" </ITEMTEMPLATE>
HZWt>f <EDITITEMTEMPLATE>
(g X8iKl <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
WR"1d\m: </EDITITEMTEMPLATE>
7[qL~BT+ </ASP:TEMPLATECOLUMN>
N5sVRL"7 \6?a 后台代码
L;j++^p protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
L2EQ 9i'[ {
h{ix$Xn~ //改变列的选定,实现全选或全不选。
@d 7V@F0d CheckBox chkExport ;
C<(oaeQY if( CheckAll.Checked)
Fih
pp< {
Ow4(1eE_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Gvh"3|u?z {
/P TRe5-7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
T9Juq6| chkExport.Checked = true;
$S?gQN.e }
L_vl%ii- }
m=^]93+ else
$,, PF/N8c {
kln)7SzPuk foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Bh cp=# {
ZnI15bsDx chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
id5`YA$ chkExport.Checked = false;
P,'%$DLDg }
_\tv ${ }
(,QWK08 }
AzXLlQ ]2)A/fOW 17.数字格式化
j"h/v7~ [*zg? ur 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
JOt(r}gU <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y01!D"{\ e]88 4FP int i=123456;
o#f"wQH;p string s=i.ToString("###,###.00");
pUqC88*j LAxN?ok9gD 18.日期格式化
OQ?N_zs, &5b3k[K" 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
msfE; 9+N%Io?! 显示为: 2004-8-11 19:44:28
0]c&K llX ` 我只想要:2004-8-11 】
?%Nh4+3N> <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
[tfB*m5 OmBz'sp: 应该如何改?
-NN=(p!< (iir,Ks2C 【格式化日期】
b6f OHy I]e+5 E0 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
;]=w6'dP! [F+W]Jk, 【日期的验证表达式】
Zc1x"j d:K\W[$Bz A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
F.$z7ee@ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
}p2iF2g9` Gg9MAK\ C9 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
=cjO] ^\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]))$
]Rxo}A vFR*3$R 【大小写转换】
9N9&y^SmD HttpUtility.HtmlEncode(string);
fuUtM_11 HttpUtility.HtmlDecode(string)
.4WJk>g #c@&mus 19.如何设定全局变量
\uPzj_kU6 7mMGH( Global.asax中
"*t6KXVaM ZuGd{p$ Application_Start()事件中
A<)n H=G& 65~E<)UJ 添加Application[属性名] = xxx;
3[fm|aU /CsP@f_Gw 就是你的全局变量
7<WS@-2I# ~CnnN[g(_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
g_syGQ\ <L qJg HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
BK%B[f*[OA Dbn344s 【ASPNETMENU】点击菜单项弹出新窗口
#'s$6gT= ~KS@Ulrox 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Zhfg <?xml version="1.0" encoding="GB2312"?>
pK3A/ry< <MenuData ImagesBaseURL="images/">
@y;VV* <MenuGroup>
zs#-E_^%M <MenuItem Label="内参信息" URL="Infomation.aspx" >
e3;D1@ <MenuGroup ID="BBC">
\Yr*x7! <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
d%'#-w' <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
B0Wf$
s^7t ......
v~L\[&|_
FJ~d&L\l 最好将你的aspnetmenu升级到1.2版
lF}@@e)N @L!^2v 21.读取DataGrid控件TextBox值
`~u=[}w foreach(DataGrid dgi in yourDataGrid.Items)
cHF W"g78 {
xE<H@@w TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
~-7/9$ay5 tb.Text....
Ex
p?x }
{\1bWr8!U hTn"/|_SW 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
jerU[3 Ie^Ed` 〖思归〗
> U?\WgE$ <asp:TemplateColumn HeaderText="数量">
)9yQ
C <ItemTemplate>
6J,h}S <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T"Y#u onkeyup="javascript:DoCal()"
iLSUz j` />
<7J3tn B 2w7$"N <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
3O$l;|SX </ItemTemplate>
`Uz.9_6 </asp:TemplateColumn>
~3:hed7: d5gwc5X <asp:TemplateColumn HeaderText="单价">
NzQvciJ@" <ItemTemplate>
}?Y -I>
w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
iptA#<Yj onkeyup="javascript:DoCal()"
L!Y|`P#Yr />
Opu*i M,H8ZO:R <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
_r3Y$^!U 2v ~8fr4 </ItemTemplate>
!FP ] </asp:TemplateColumn>
(v/L K _VIk'RB <asp:TemplateColumn HeaderText="金额">
^R@)CIQ <ItemTemplate>
5 [~HL_u;, <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
(]'wQ4iQ </ItemTemplate>
tB>!1}v </asp:TemplateColumn><script language="javascript">
49*f=gpGj2 function DoCal()
JE9v+a{7 {
ZNw|5u^N var e = event.srcElement;
)m7%cyfC var row = e.parentNode.parentNode;
D|ze0A@ var txts = row.all.tags("INPUT");
o!UB x<4 if (!txts.length || txts.length < 3)
/(s |'"6 return;
Q"FN"uQ}x ivo><"Y(r var q = txts[txts.length-3].value;
M8WjqTq var p = txts[txts.length-2].value;
RG45S0Ygj 1w7tRw if (isNaN(q) || isNaN(p))
}kmAUaa,Z return;
cF15Mm2 7/<~s]D[% q = parseInt(q);
TzaeE
p = parseFloat(p);
p+=zl`\=| =A6*;T"W txts[txts.length-1].value = (q * p).toFixed(2);
kQ\ $0=6N9 }
q$"u< </script>
i_*yS+Z; )'n@A% B rogy`mh\r2 3:jxr jnp~ACN, 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。
W'vek uM page_load
Lld45Bayb
page.smartNavigation=true
~>>_`;B y p{Dl 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 ?
}>@SyE'Q private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
4Y59^ {
g$GGo[_0 for(int i=0;i<e.Item.Cells.Count-1;i++)
Iz+%wAZ|B6 if(e.Item.ItemType==ListItemType.EditType)
O/#3QK {
9~~NxWY%x e.Item.Cells.Attributes.Add("Width", "80px")
1<m`38' }
L-?ty@-i }
x*z[(0g! Jt]RU+TB 26.对话框
QYo04`Rl private static string ScriptBegin = "<script language=\"JavaScript\">";
:&
Dv!z private static string ScriptEnd = "</script>";
kfas4mkc *.nSv@F public static void ConfirmMessageBox(string PageTarget,string Content)
aWTurnee^ {
.S,E= string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
,4"N7_!7 ^?Xs!kJP ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
}F{s\qUt n[DRX5OxR' Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
"W+>?u ) ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
`$jun //Response.Write(strScript);
vE(]!CB }
7#j.yf4 7 w,D2T 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
k
?KJ8 (
xooU 8d 1.1 取当前年月日时分秒
X9?)P5h= currentTime=System.DateTime.Now;
MUl7o@{' e]1'D 1.2 取当前年
[#Apd1S_ int 年= DateTime.Now.Year;
,TWlg Rnwm6nu 1.3 取当前月
(Nc~l ^a int 月= DateTime.Now.Month;
5XX)8gAo P0>2}/;o 1.4 取当前日
+:^l|6%} int 日= DateTime.Now.Day;
'v<v6vs J(}PvkA 1.5 取当前时
\VhG'd3k int 时= DateTime.Now.Hour;
|qe;+)0>K _(g0$vRP~ 1.6 取当前分
~-vCY int 分= DateTime.Now.Minute;
L<=Dl A3tv'-e9 1.7 取当前秒
yC$m(Y12FN int 秒= DateTime.Now.Second;
Q SF0?Puf
k a!w\v 1.8 取当前毫秒
}y*D(` int 毫秒= DateTime.Now.Millisecond;
~3M4F^ RYCiO,+ 28.自定义分页代码:
j17h_ a; vW eg1 先定义变量 :
=cV|o] public static int pageCount; //总页面数
Z4Q]By:/L public static int curPageIndex=1; //当前页面
O'(Us!aq ( gg )? 下一页:
AJB
NM if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
sm'_0EUg {
j=T8b DataGrid1.CurrentPageIndex += 1;
bDl#806P L curPageIndex+=1;
%C`P7&8m=O }
N,lr~6) C[%Qg=< bind(); // DataGrid1数据绑定函数
55s5(]`d M`al~9 上一页:
!y XGAg, if(DataGrid1.CurrentPageIndex >0)
,u>LAo0 {
ORrZu$n`p DataGrid1.CurrentPageIndex += 1;
yq|yGf(4& curPageIndex-=1;
Mrgj*| }
D|(\5]:R (<>??(VM bind(); // DataGrid1数据绑定函数
XgX~K:<jt rkji#\_-FV 直接页面跳转:
"XxmiK int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
@.E9ml swZi
O_85 if(a<DataGrid1.PageCount)
>ymn&_zlT {
34Gu @" this.DataGrid1.CurrentPageIndex=a;
KwHN c\\ }
kCD]& #&)H&H} bind();
pW.WJ`Rk octQ[QXo# 29.DataGrid使用:
94&t0j_ .F$}a% 添加删除确认:
U9T}iI private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'V^M+ng {
tf 7HhOCYX foreach(DataGridItem di in this.DataGrid1.Items)
Gn4b*Y&M]3 {
?=4oxPe if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
=YVxQj {
!HU$V9C ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
YK{J"Kof }
'8zd]U }
7+f6? }
[err$ x&DqTX?b, 样式交替:
d #1&"( ListItemType itemType = e.Item.ItemType;
>)C7IQ/ PcA^ jBgGl if (itemType == ListItemType.Item )
EpG9t9S9 {
[- 92] e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
3.#L e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
# *pB"L }
'kj
q C else if( itemType == ListItemType.AlternatingItem)
nG3SDL#(k {
n\D/WLv M e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
`XE>Td>Bs e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
@yb'h`f] }
M2ex
3m G{6@]72 添加一个编号列:
)jl@hnA DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
: 8>zo DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
bC+ZR{M |~%RSS~b* for(int i=0;i<dt.Rows.Count;i++)
E8Kk)7 {
y "+'4:_ dt.Rows["number"]=(i+1).ToString();
cO{NiRIb }
0~ nCT&V Z<>gx m< DataGrid1.DataSource=dt;
7r?,wM DataGrid1.DataBind();
Y>aVnixx< U/{t" e DataGrid1中添加一个CheckBox,页面中添加一个全选框
sryA(V private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
X=-= z5 {
2~/`L=L foreach(DataGridItem thisitem in DataGrid1.Items)
XdDQ$'*X {
SujEF`" ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
CC!`fX6z>h }
Pi=FnS }
aWimg6q |-vyhr0 将当前页面中DataGrid1显示的数据全部删除
'fK=;mM foreach(DataGridItem thisitem in DataGrid1.Items)
1J1Jp|j. {
*A!M0TK?i, if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
A4(L47^ {
XM!oN^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
DZL(G [ Del (strloginid); //删除函数
i7T#WfF }
}2 S!;swg+ }
6!0NFP~b _YR#J%xa 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
cd,'37 pZ cHr]{@7Cs 在Application_Start中添加以下代码:
YIW9z{rrs Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
X sJ`x AppSettings["ConnStr"].ToString();
d(t)8k$ Y_faqmZ9] 31. 变量.ToString()
=>PX~/o W (TTsnnx 字符型转换 转为字符串
.(Ux1.0C 12345.ToString("n"); //生成 12,345.00
}Y.@:v
j 12345.ToString("C"); //生成 ¥12,345.00
5YPIv- 12345.ToString("e"); //生成 1.234500e+004
n1|]ji[c 12345.ToString("f4"); //生成 12345.0000
@ A8y!< 12345.ToString("x"); //生成 3039 (16进制)
W:n\,P 12345.ToString("p"); //生成 1,234,500.00%
;Co"bP's )?&mCI* 32、变量.Substring(参数1,参数2);
o7+<sL bS:$VyH6 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
GB `n } %0w25 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
*{5}m(5F <SCRIPT language="javascript">
`m1stK(PO <!--
{=I,+[( function gook(pws)
exSwx-zxI {
TuCHD~rb frm.submit();
jS3@Z?x?* }
o/
\o-kC} //-->
6flO;d/v B YB9M </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
6T~+vT <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~7}no}7 <tr>
sR PQr? <td>
_d~GY,WTdO <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
|:(B I5&S <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
{DvWa| <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
:.H@tBi*E YVRE9 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
_`QME r? <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
jyg>'"W sdXchVC </td>
.w\4Th# a&[[@1OY </tr>
yT3K 2A ~O./A-l </form>
M[b~5L+S (1{OQ0N+x 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
A+Je?3/. ocW`sE?EED 下面是获取用户输入的登陆信息的代码:
9|>y[i string name;
(ce)A,; name=Request.QueryString["EmailName"];
zXGI{P0O Q!~1Xc0S`p try
KYcc jX {
)`5-rm~* int a=name.IndexOf("@",0,name.Length);
P'_ aNU f_user.Value=name.Substring(0,a);
0~<t :q! f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)CL/%I,^ f_pass.Value=Request.QueryString["Psw"];
cv_O2Q4,@ }
cP/( h ZMyd+C_P2 catch
c:z}$DK&' {
Y=pRenV' Script.Alert("错误的邮箱!");
6*ZZ)W< Server.Transfer("index.aspx");
Tig6<t+Q }