1. 打开新的窗口并传送参数:
C6_@\&OA w<9>Q1( 传送参数:
e4OeoQ@ > response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
_ .i3,-l) >\ST-7[^L 接收参数:
B5X sGLV string a = Request.QueryString("id");
~"Gf<3^y+ string b = Request.QueryString("id1");
d7Ur$K\=y 1xf=_F0`& 2.为按钮添加对话框
\n0Oez0z!B Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'2zL.:~ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
x( mE<UQN *]J dHO 3.删除表格选定记录
~8|t*@D int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
+MK6zf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
G= ^X1+_ >Q,zNs 4.删除表格记录警告
e7u^mJ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZV}X'qGaq {
+D#Z n!P switch(e.Item.ItemType)
{J/I-=CmML {
zq5'i!s !0 case ListItemType.Item :
z<gu00U7 case ListItemType.AlternatingItem :
t4Z case ListItemType.EditItem:
O?EB8RB TableCell myTableCell;
Q
'(ihUq*k myTableCell = e.Item.Cells[14];
+&KQ28r LinkButton myDeleteButton ;
!A8^Xmz" myDeleteButton = (LinkButton)myTableCell.Controls[0];
-G
&_^"=R myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
HEqWoV]{d break;
/W#O + default:
3>z[PPw break;
;evCW$G= }
+kdySWF mxSKG>
O }
"HM{b?N OEr:xK2T 5.点击表格行链接另一页
h06ku2Q
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=R*Gk4<Y {
v;y0jD#b //点击表格打开
xa( m5P if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V@=V5bZLs e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
%,b X/! }
#y]3LC#)^G yj@tV2 双击表格连接到另一页
q&'Lbxc>c /.5;in 在itemDataBind事件中
gM;}#>6 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
XM
Vq-8B0 {
[AEBF2OIv string OrderItemID =e.item.cells[1].Text;
o7&4G$FX~ ...
BdbJ< Is e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
FqA3{ }
-U2mfW sPNfbCOz 双击表格打开新一页
47 u@4"M if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
E(<LvMiCa {
Iy
{U'a! string OrderItemID =e.item.cells[1].Text;
ZeasYSo4P ...
dTEJ=d40 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
5T4"j;_.BL }
sc`"P-J+vp {gf>* ★特别注意:【?id=】 处不能为 【?id =】
e{G_GycH 6.表格超连接列传递参数
rqCa 2 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
wCZO9sU:6= <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
QL"gWr`R gvli %9n 7.表格点击改变颜色
d&:H&o)T! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>', y {
;kaHN;4? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}wt%1v-10U this.style.color=’buttontext’;this.style.cursor=’default’;");
a j|5 # }
[UPNd!sy X=qS"O 1 写在DataGrid的_ItemDataBound里
o6j"OZcv if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Ri:p8 {
DOD6Liau{Q e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
}IUP5O6 this.style.color=’buttontext’;this.style.cursor=’default’;");
<z#BsnjW{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Zcd7*EBdx }
RagiV6c 2?i\@r@E| j~ym<-[{a 8.关于日期格式
g"t^r3 SqB/4P 日期格式设定
$CtCOwKZ DataFormatString="{0:yyyy-MM-dd}"
UFZ"C, 24@^{
} 我觉得应该在itembound事件中
1czG55 | e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
d5xxb _oE y[HQBv 9.获取错误信息并到指定页面
*)VAaGUX> ;?9A(q_Z 不要使用Response.Redirect,而应该使用Server.Transfer
7#4%\f+'t "!&B4 e.g
0*(K DDv // in global.asax
GXb47_b^ protected void Application_Error(Object sender, EventArgs e) {
`ypL]$cW if (Server.GetLastError() is HttpUnhandledException)
Md(JIlh3 Server.Transfer("MyErrorPage.aspx");
M|CrBJv+F 2tr
:xi@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
9\51Z:> }
QJ4AL3
^6 HY;oy( 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
6c\DJD :zL 393( 10.清空Cookie
*8!w&ME+. Cookie.Expires=[DateTime];
_%IqjJO{=r Response.Cookies("UserName").Expires = 0
rnvQ<671W NXgRNca 11.自定义异常处理
}z'DWp=uN //自定义异常处理类
Tx+ p8J|Yr using System;
g5R,% 6 using System.Diagnostics;
#4y,a_) A o3HX namespace MyAppException
i>Iee^_( {
7Jx%JgF /// <summary>
)*[
""& /// 从系统异常类ApplicationException继承的应用程序异常处理类。
.)ST[G]WK /// 自动将异常内容记录到Windows NT/2000的应用程序日志
O<`R~ /// </summary>
&telCg: public class AppException:System.ApplicationException
NiTJ}1 l {
w??c1) public AppException()
nUqy1( {
)Xno|$b5Eo if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
'0Zm#g }
k}BDA|\s ]bfqcmh< public AppException(string message)
N$'>XtO {
b[g.}'^yht LogEvent(message);
{,f[r*{Y }
P3$,ca' G]lvHD public AppException(string message,Exception innerException)
:ej_D} {
AP@<r LogEvent(message);
3i(J on/p if (innerException != null)
uu3M{*} {
i`~~+6`J LogEvent(innerException.Message);
>-<F) }
Yq0# #__ }
X8b#[40: {bTeAfbf] //日志记录类
n#>5?W using System;
!Zj#.6c9 using System.Configuration;
no3Z\@% using System.Diagnostics;
cj^bh using System.IO;
&|z|SY]DL using System.Text;
_?Ckq using System.Threading;
HXP;0B%4 $nFAu}%C namespace MyEventLog
6h@+?{F. {
hNVMz`r /// <summary>
=~",/I? /// 事件日志记录类,提供事件日志记录支持
6H6Law!) /// <remarks>
^f0(aYWx /// 定义了4个日志记录方法 (error, warning, info, trace)
86{ZFtv /// </remarks>
~>w:;M=sV8 /// </summary>
96)v#B?p public class ApplicationLog
>t,O2~ {
YE_6OLW /// <summary>
r]-+bR /// 将错误信息记录到Win2000/NT事件日志中
{r{>?)O /// <param name="message">需要记录的文本信息</param>
hg#c[sZL /// </summary>
0x4l5x$8 public static void WriteError(String message)
~ a>S#S {
dgY5ccP WriteLog(TraceLevel.Error, message);
Wbd_aR
( }
"s;ci~$ }#|2z}! /// <summary>
[k~C+FI /// 将警告信息记录到Win2000/NT事件日志中
P,`=]Y* /// <param name="message">需要记录的文本信息</param>
hG~ Uz /// </summary>
+WdL public static void WriteWarning(String message)
4L$};L {
i]@c.QiFN WriteLog(TraceLevel.Warning, message);
YR8QO-7
.) }
pLJeajv)z |DGCdB|`G /// <summary>
:W%4*-FP /// 将提示信息记录到Win2000/NT事件日志中
7H?!RYrx /// <param name="message">需要记录的文本信息</param>
Q6|@N~UeZ /// </summary>
@aUZ#,(< public static void WriteInfo(String message)
>E~~7Yal {
aLHrl6" WriteLog(TraceLevel.Info, message);
oo'iwq-\ }
|} 9GHjG /// <summary>
VHj*aBHB /// 将跟踪信息记录到Win2000/NT事件日志中
kw;wlFU; /// <param name="message">需要记录的文本信息</param>
(Otur /// </summary>
v<`$bvv? public static void WriteTrace(String message)
Pd,!& {
tB!|p 6 WriteLog(TraceLevel.Verbose, message);
gvK"*aIj }
JQr36U ]ci RiMkT( /// <summary>
"|\94 /// 格式化记录到事件日志的文本信息格式
3} l; /// <param name="ex">需要格式化的异常对象</param>
x;*VCs /// <param name="catchInfo">异常信息标题字符串.</param>
lvG3<ls0K$ /// <retvalue>
#W.bZ]&WA /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
;wpW2%& /// </retvalue>
R<t&F\> /// </summary>
{6DpPw^ " public static String FormatException(Exception ex, String catchInfo)
HK?Foo? {
|B,dEx/uU StringBuilder strBuilder = new StringBuilder();
=$[W,+X6f if (catchInfo != String.Empty)
VJGwd`qo*A {
pM,#wYL strBuilder.Append(catchInfo).Append("\r\n");
J (=4 }
ayN*fiV] strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
2pw>B%1WP) return strBuilder.ToString();
Aw5K3@Ltz }
QZz&1n hg!x_Eq| /// <summary>
2Sv>C `FMU /// 实际事件日志写入方法
miWw6!() /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
p+!f(H /// <param name="messageText">要记录的文本.</param>
^1()W,B~w /// </summary>
@i\7k(9:A private static void WriteLog(TraceLevel level, String messageText)
t<8z08 {
*pY/5? g try
La@\q[U{@ {
Un~]Q?w EventLogEntryType LogEntryType;
z)r8?9u switch (level)
\gjl^#; {
/Lj%A case TraceLevel.Error:
^9n}-Cqeq LogEntryType = EventLogEntryType.Error;
?#x'_2 break;
N" 8*FiZ| case TraceLevel.Warning:
Bc5YW-QD LogEntryType = EventLogEntryType.Warning;
3@%BA(M break;
pFG]IM7o/u case TraceLevel.Info:
6
bYC LogEntryType = EventLogEntryType.Information;
Al)lWD}j2g break;
}7otuO(pRo case TraceLevel.Verbose:
ik8|9m4/ LogEntryType = EventLogEntryType.SuccessAudit;
9$n+-GSK break;
7O]J^H+7 default:
"Wxo[I LogEntryType = EventLogEntryType.SuccessAudit;
oA5<[&~< break;
OA\vT${5 }
ccIDMJ=2 6hR^qdHg EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
'3IkPy1Uz //写入事件日志
oD Q9.t eventLog.WriteEntry(messageText, LogEntryType);
Zjw!In|vC 02;f2;I }
{(8U8f<'=y catch {} //忽略任何异常
YWybPD4\( }
gF$1wV]e } //class ApplicationLog
!k4 }v'= }
AEi WL.*. i/l!Cr2 12.Panel 横向滚动,纵向自动扩展
Pm;x]Aj <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
-9hp+0 < oNh68ON:c 13.回车转换成Tab
7uWJ6Wk <script language="javascript" for="document" event="onkeydown">
zjZ;xn if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
W*1d
X"S event.keyCode=9;
#i'C </script>
T2;v<( .~FKyP>[$ onkeydown="if(event.keyCode==13) event.keyCode=9"
#JHy[!4 (jD'+ "? 14.DataGrid超级连接列
zZS>+O DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
J
r=REa0 oHv{Y 15.DataGrid行随鼠标变色
@2-Hj~ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
s|fCR {
1jR=h7^= if (e.Item.ItemType!=ListItemType.Header)
S.zg& {
,<R>Hiwg/s e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
WRN8#b e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
WsG"x>1n }
7-g]A2N }
$%N;d>[U, 3sd{AkD^ 16.模板列
P2A]qX <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
d m/-} <ITEMTEMPLATE>
LC~CPV'F <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
tuL\7
(R </ITEMTEMPLATE>
hg<"Yg= </ASP:TEMPLATECOLUMN>
yf0vR%,\ 5i}CzA96 <ASP:TEMPLATECOLUMN headertext="选中">
cKvAR5| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\;A50U|r <ITEMTEMPLATE>
# CP9^R S <ASP:CHECKBOX id="chkExport" runat="server" />
~*,Ddwr0a </ITEMTEMPLATE>
uD0(aqAZ <EDITITEMTEMPLATE>
)&b}^1 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
LS R_x$G+t </EDITITEMTEMPLATE>
ej)BR'* </ASP:TEMPLATECOLUMN>
FF~on06! OX#eLco 后台代码
o(v"?Y 6 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
4eDmLC"Y
* {
=!I8vQ> //改变列的选定,实现全选或全不选。
u&?yPR CheckBox chkExport ;
b<29wL1 if( CheckAll.Checked)
F``EARG)iu {
% 8rr*l5 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Mm:a+T {
2 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0{^l2?mgSb chkExport.Checked = true;
L@d]R MNv }
Q{ |+3!!' }
-$sl!%HO% else
K#m\qitb {
iMOPD}`IX foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
bn<I#ZH2 {
iZDb.9@&t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!>a&`j2:W chkExport.Checked = false;
8o%<.] }
df21t^0/ }
~:ub }
U#UVenp@ Kd AR)EU> 17.数字格式化
)eTnR:= nsr
_\F\ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
@4W\RwD <%#Container.DataItem("price","{0:¥#,##0.00}")%>
di)noQXkB- L:k@BCQM int i=123456;
@SF")j| string s=i.ToString("###,###.00");
^-csi /:*R -VdF 18.日期格式化
n##w[7B* /jK17}j 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
it/C y\f ]XpU'/h>q; 显示为: 2004-8-11 19:44:28
}R(0[0NQe- ~]6Oz;~<3 我只想要:2004-8-11 】
dctA`W@:- <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
~,M;+T}[r Kc-A-P &Ry 应该如何改?
o%N0K I49=ozPP 【格式化日期】
n41\y:CAo {$u@6&
B 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
gs`27Gih m\}\RnZu 【日期的验证表达式】
=oKPMmpCZ <Vr]2mw A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
lhIr]'?l ^((\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})))?$
]VHdE_7) e5"-4udCn B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
')yF0 ^\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]))$
tswG"1R $+)x)1 【大小写转换】
am$-sh72 HttpUtility.HtmlEncode(string);
=`7)X\i@z HttpUtility.HtmlDecode(string)
nfd?@34"A2 ;|2;kvf"w 19.如何设定全局变量
+gD)Yd .x-Z+Rs{g Global.asax中
q9a
wzj ~;O=
7 Application_Start()事件中
]>S$R&a _+R_ms 添加Application[属性名] = xxx;
S*DBY~pZy [<3Q$*Ew 就是你的全局变量
EiIFVP [&]YVn>kj 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
d@q t%r3; ui#1 +p3G HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
5>z:[OdY* lG[
)8!:+ 【ASPNETMENU】点击菜单项弹出新窗口
sP8-gkkor "#eNFCo7k 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
=-1^K <?xml version="1.0" encoding="GB2312"?>
5sV/N] ! <MenuData ImagesBaseURL="images/">
6Kv}2M')+ <MenuGroup>
?`[ uh% <MenuItem Label="内参信息" URL="Infomation.aspx" >
o`y*yucHI <MenuGroup ID="BBC">
J?,!1V= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
\ /X!tlwxh <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
2YP"nj# ......
@ T~#Gwv 7gR; 最好将你的aspnetmenu升级到1.2版
` $x#_-Hn o._#=7|( 21.读取DataGrid控件TextBox值
qeO6}A"^| foreach(DataGrid dgi in yourDataGrid.Items)
%Cbc@=k {
uK&wS#uY TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
h+'eFAZ tb.Text....
$xn%i\ }
(=&bo p J/P@m_Yx 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
+EB,7<5< 1-Wnc'(OK 〖思归〗
LXLIos55S <asp:TemplateColumn HeaderText="数量">
EA@$^e[ <ItemTemplate>
GzZ|T7fm <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
(Ss77~W7 onkeyup="javascript:DoCal()"
`))J8j" />
KlX |PQ bEXHB <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
I>4Tbwy.- </ItemTemplate>
u4*]jt;H </asp:TemplateColumn>
]2sZu7 jiB>.te <asp:TemplateColumn HeaderText="单价">
Z?!:=x>7m <ItemTemplate>
z&yb_A:> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
T[$hYe8%^ onkeyup="javascript:DoCal()"
I9j+x]) />
fM[fS?W +q,n}@y= <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
nR |LV'( 'hHX"\|RA </ItemTemplate>
2Q_{2(nQb </asp:TemplateColumn>
ws(}K+y_ !vo '8r?& <asp:TemplateColumn HeaderText="金额">
y8WXp_\ <ItemTemplate>
`::(jW.KO <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
; dHOH\,: </ItemTemplate>
iKEKk\j-w </asp:TemplateColumn><script language="javascript">
L"vG:Mq@D function DoCal()
^)P5(fJ {
I8oKa$RF var e = event.srcElement;
AiHDoV+- var row = e.parentNode.parentNode;
'*{Rn7B5 var txts = row.all.tags("INPUT");
1X_!%Z if (!txts.length || txts.length < 3)
\w\47/k{ return;
Va[dZeoy <Phr`/ var q = txts[txts.length-3].value;
aKU8"
5 var p = txts[txts.length-2].value;
cM'[;u }PD(kk6fX if (isNaN(q) || isNaN(p))
w0%ex#lkm return;
J<:D~@qq :bF2b..XOu q = parseInt(q);
%|6Q7'@p p = parseFloat(p);
7z0uj >U
Ich txts[txts.length-1].value = (q * p).toFixed(2);
g:6}zHK }
]X;*\- </script>
*z:lq2"G LFM5W&? (IQ L`3f% XK9*,WA9r R\=\6( " 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。
52R.L9Ai page_load
RuEnr7gi page.smartNavigation=true
*wZV*)} %1d6j<7 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 ?
hnLgsz private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7}7C0mV3 {
BCDf9]X for(int i=0;i<e.Item.Cells.Count-1;i++)
]qG5Ne_ if(e.Item.ItemType==ListItemType.EditType)
n~cm?" {
8i$`oMv[y e.Item.Cells.Attributes.Add("Width", "80px")
IG@&l0ARL }
0_Z|y/I. }
Jy[8,X I8wVvs;k 26.对话框
E6\~/=X=% private static string ScriptBegin = "<script language=\"JavaScript\">";
{'bkU9+ private static string ScriptEnd = "</script>";
48*pKbbM4 *1]k&#s public static void ConfirmMessageBox(string PageTarget,string Content)
_[Wrd?Z {
6D]G*gwk[ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/faP]J) :v ~q ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
~l(tl[ B9Tztg
Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
\B+SzW ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
oa|*-nw //Response.Write(strScript);
weadY,-H8 }
_@?Jx/`;bk p%tg->#L 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
90k|u'ikOp rSCX$ @@F 1.1 取当前年月日时分秒
`%:(IGxz currentTime=System.DateTime.Now;
4T\/wyq0 gxtbu$ 1.2 取当前年
tdK^X1 int 年= DateTime.Now.Year;
AsF`A"Cdw< 2G>
]W?> 1.3 取当前月
9uoj3Rh< int 月= DateTime.Now.Month;
`r$WInsDu q)y8Bv| 1.4 取当前日
SytDo (_=W int 日= DateTime.Now.Day;
VQ}3r)ch ,B>b9,~3a 1.5 取当前时
euC,]n. int 时= DateTime.Now.Hour;
ee[NZz Pt;Ahmi 1.6 取当前分
[,X,2 int 分= DateTime.Now.Minute;
!9OgA ()JDjzQT 1.7 取当前秒
k}qiIMdI int 秒= DateTime.Now.Second;
QP0X8%+p HaUo+,= 1.8 取当前毫秒
%E_{L int 毫秒= DateTime.Now.Millisecond;
@y&,e,3! X}^gmu<Vla 28.自定义分页代码:
xM,(|p( 1D DOUV
先定义变量 :
8Y'"=!3 public static int pageCount; //总页面数
cYS+XBz public static int curPageIndex=1; //当前页面
eR;0pWVl Jtk(yp{Zz 下一页:
[p<[83' ] if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
~]+
jn {
e:occT DataGrid1.CurrentPageIndex += 1;
&cE,9o%FZ curPageIndex+=1;
j"8N)la }
izo
$0 jo#F& bind(); // DataGrid1数据绑定函数
9F!&y- ~[6|VpGc: 上一页:
!qv;F?2
<g if(DataGrid1.CurrentPageIndex >0)
k] YGD {
W}3vY] DataGrid1.CurrentPageIndex += 1;
feHAZ.8rp+ curPageIndex-=1;
*&MkkI# }
3f8Z?[Bb@ d69VgLg bind(); // DataGrid1数据绑定函数
L@GD$F=<0 ^2@~AD`&h 直接页面跳转:
(Ad!hyE( int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
o|C{ s ;wB3H if(a<DataGrid1.PageCount)
T0jJp7O {
! .}{
f;Ls this.DataGrid1.CurrentPageIndex=a;
pdq h'+5 }
mr.DP~O:9p _"`h~jB bind();
f
d5~'2 6>J#M 29.DataGrid使用:
_gh7_P^H=d 3/05ee;| 添加删除确认:
Bk<P~-I private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*h9vMks
o {
s50ln&2 foreach(DataGridItem di in this.DataGrid1.Items)
}C}_
I:=C {
^123.Ru|t if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
w7u >|x! {
`$- Ib^ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
)FPbE^s( }
m,O!Mt }
3J<,2 }
t68RWzqiG[ TaG-^bX8B 样式交替:
HskN(Ho ListItemType itemType = e.Item.ItemType;
eRbO Hj1 k*^W
lCZ3 if (itemType == ListItemType.Item )
#w6CL {
"-%H</ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
|&vuK9q e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o5R40[" }
U)8]pUI+/P else if( itemType == ListItemType.AlternatingItem)
-}o;Y)
{
_#B/#^a e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
eH{ 9w8~ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6Tnzg`0I }
]9Hy
"#Fz Nig-D>OS 添加一个编号列:
F)Lbr>H?I DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
V;jz0B DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
/G ;yxdb >Z%`&D~u for(int i=0;i<dt.Rows.Count;i++)
Y2n*T
KXI, {
ZbUf|#GTB dt.Rows["number"]=(i+1).ToString();
p6'8l~W+ }
pkx>6(Y RSC-+c6 1 DataGrid1.DataSource=dt;
g=Di2j{A DataGrid1.DataBind();
-f=hL7NW /jD'o> DataGrid1中添加一个CheckBox,页面中添加一个全选框
KG$2u:n private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
9j`-fs@: {
|{T2|iJI foreach(DataGridItem thisitem in DataGrid1.Items)
}__+[- {
A$cbH. ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
h;->i] }
-yeT $P&| }
"Cb<~Dy 6tguy 将当前页面中DataGrid1显示的数据全部删除
c^y 1s* foreach(DataGridItem thisitem in DataGrid1.Items)
_rd{cvdR {
-}@9lhS, if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{W]jVh p {
AK
HH{_ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
g:U ul4 Del (strloginid); //删除函数
}T,uw8?f! }
CggEAi~ }
O;2 u1p'iP b3+PC$z2h 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)
S6]': 1oPT8)[U 在Application_Start中添加以下代码:
>q`X%&l_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
"dOzQz*E AppSettings["ConnStr"].ToString();
eAMT7 2_ zKNk(/y 31. 变量.ToString()
`Nj|}^A Bh?;\D'YC 字符型转换 转为字符串
KXJHb{? 12345.ToString("n"); //生成 12,345.00
k&b>-QP6 12345.ToString("C"); //生成 ¥12,345.00
~
4aaJ0 12345.ToString("e"); //生成 1.234500e+004
Lg1Usy% 12345.ToString("f4"); //生成 12345.0000
:z\STXq 12345.ToString("x"); //生成 3039 (16进制)
\+xsJbEV 12345.ToString("p"); //生成 1,234,500.00%
4"sP= C
c'b,=SM 32、变量.Substring(参数1,参数2);
~"k'T9QBY D6w0Y:A{. 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);
9\F^\h{ ry'(mM 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)
0NxaQ`\ <SCRIPT language="javascript">
y.zQ ` <!--
J}JnJV8|G function gook(pws)
4tI~d8?pk+ {
K_i2%t3 frm.submit();
ZAE;$pkP }
jkq+j^ //-->
a;K:~R+@, >EY0-B </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
o&]qjFo\m <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
k;sUD mrO <tr>
@UKd0kxPN{ <td>
C1=[\c~jw <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
(k?OYz]c <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
PsLCO(26 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
!ZRV\31% U:Y?2$# <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
h>wU';5#f <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
bm;4NA?Gg ]9' \<uR </td>
ydt1ED0Q- )l=j,4nn </tr>
157X0&EX pPE4~g 05h </form>
<~d N23) 4P8:aZM 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。
y;;@T X .eE5pyw+C 下面是获取用户输入的登陆信息的代码:
$)U
RY~;i string name;
gnQd#` name=Request.QueryString["EmailName"];
STI8[e7{ >2a~hW|, try
Sz
=z
TPnO {
n#*cVB81 int a=name.IndexOf("@",0,name.Length);
f =Nm2(e f_user.Value=name.Substring(0,a);
MYjCxy-;A f_domain.Value=name.Substring(a+1,name.Length-(a+1));
O%Mh
g\#B f_pass.Value=Request.QueryString["Psw"];
n3(HA }
f c91D]c tm$3ZzP4 catch
.MKxHM7 {
Fq8Z:;C8 Script.Alert("错误的邮箱!");
[(C lvGx Server.Transfer("index.aspx");
KLX>QR@ }