1. 打开新的窗口并传送参数:
V.P<>~W ma~#E$i& 传送参数:
`FMo;,j response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?8-!hU@QC 'q-q4QCB 接收参数:
zl@^[km{ string a = Request.QueryString("id");
2h string b = Request.QueryString("id1");
MjMDD KGy3#r;Q 2.为按钮添加对话框
XP@dg4Z=z Button1.Attributes.Add("onclick","return confirm(’确认?’)");
,Z@#( =f button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
( 2HM"Pd 4k;FZo]S 3.删除表格选定记录
f8]sjeY int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
#{8IFA string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
&:&89<C' _6NUtU 4.删除表格记录警告
K3?5bT_{ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
gF{ehU% {
v|%41xOsr switch(e.Item.ItemType)
bmv8nal<Y {
E5&Z={ case ListItemType.Item :
7Jf~Bn case ListItemType.AlternatingItem :
j,M$l mR') case ListItemType.EditItem:
*): |WDR TableCell myTableCell;
-F ~DOG% myTableCell = e.Item.Cells[14];
%#x4wi LinkButton myDeleteButton ;
$jN.yNm0 myDeleteButton = (LinkButton)myTableCell.Controls[0];
/MF
7ZvN. myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
o&?c,FwN break;
<b:%o^ default:
Hb=#` break;
jSY[Y:6md }
VsQ|t/|# ] 3{t}qY$A }
5*YoK)2J ENTcTrTn 5.点击表格行链接另一页
aOzIo- private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iS$[dC ?N {
>2s4BV[( //点击表格打开
}iUK`e if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Rd#R}yA e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Y !<m8\ }
,X?/FAcb rVz.Ws# 双击表格连接到另一页
9F/I",EA u\*9\G 在itemDataBind事件中
QtW9!p7( if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!#KKJ`uB" {
ku]5sd >b string OrderItemID =e.item.cells[1].Text;
cc[(w
#K ...
]Y\$U<YjO e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
.@VZ3" }
!mNst$-H4 24jf`1XFW 双击表格打开新一页
W0gS>L_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0'Pjnk-i {
VE )D4RL string OrderItemID =e.item.cells[1].Text;
Unk/uk ...
@{y'_fw e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Z.\q$U7'9 }
cJ4My#w *g(d}C! ★特别注意:【?id=】 处不能为 【?id =】
s@\3|e5g 6.表格超连接列传递参数
>. |({;n9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
?:;;0kSk <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
b RR N UQl?_[G 7.表格点击改变颜色
@Q74 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j6qtR$l| {
7V"?o e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
W'./p"2g this.style.color=’buttontext’;this.style.cursor=’default’;");
yYCS-rF> }
'UhoKb_p 8M5)fDu*? 写在DataGrid的_ItemDataBound里
$C[z]}iOi if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
X7*F~LFrj {
9Dx~!( e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
*qpu!z2m|| this.style.color=’buttontext’;this.style.cursor=’default’;");
u[GZ~L e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
WcN4ff- }
:aNjh -<g9) CV5 (p{X.X+ 8.关于日期格式
)d3
09O ,?GwA@~$k: 日期格式设定
j
3<Ci {3 DataFormatString="{0:yyyy-MM-dd}"
]es|%j 2 dSGdK
$ XA 我觉得应该在itembound事件中
]\39# e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#/G!nN # ~fXNj-'RW 9.获取错误信息并到指定页面
Wmbc
`XC w S 不要使用Response.Redirect,而应该使用Server.Transfer
AzU:Dxr>.G j\uZo.Ot+ e.g
jX7K-L // in global.asax
#
&v4c protected void Application_Error(Object sender, EventArgs e) {
KXPCkNIN! if (Server.GetLastError() is HttpUnhandledException)
i2qN 0?n Server.Transfer("MyErrorPage.aspx");
[c?0Q3F ;As~TGiT //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\RDN_Z }
u3h(EAH> g0,~|. 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
, cxqr3
o $[T~<I 10.清空Cookie
$JFjR@j Cookie.Expires=[DateTime];
2Io|? Response.Cookies("UserName").Expires = 0
rc=E%Qv%? 392V\qtS 11.自定义异常处理
7?fgcb3 //自定义异常处理类
x?Sx cQP using System;
SgU@`Pb using System.Diagnostics;
534pX7dg 8{4'G$6 namespace MyAppException
!@z9n\Yj {
fk}Raej g /// <summary>
@fd< /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#aqnj+ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/ 4Q=%n /// </summary>
A[P7hMn public class AppException:System.ApplicationException
wX] _Abk {
*"^X)Y{c+l public AppException()
AH,?B*zGj {
K'&,]r# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
fN9{@)2Mz }
!WyJ@pFU^ r6S public AppException(string message)
TXB!Y!RG# {
xM_#FxJb LogEvent(message);
2tz4Ag }
+:Zwo+\kSN /M5.Z~|/ public AppException(string message,Exception innerException)
&OU.BR> {
-l=C7e LogEvent(message);
%jAc8~vW? if (innerException != null)
U#f* {
Zl5DlRuw LogEvent(innerException.Message);
br\3} }
)QAYjW!Z }
zfU Do`V~ 4W>DW`{ //日志记录类
LsR<r1KDJ using System;
l&H-<Z.8m using System.Configuration;
{A}T^q!m] using System.Diagnostics;
<(E)M@2 using System.IO;
uz8eS'8 using System.Text;
i?_Q@uA~<: using System.Threading;
mLq0;uGL| n^'d8Y( namespace MyEventLog
X}[1Y3~y {
Nr@,In|JS /// <summary>
CX#d /// 事件日志记录类,提供事件日志记录支持
,IiKe_B /// <remarks>
B~o3Z /// 定义了4个日志记录方法 (error, warning, info, trace)
^ iu)vED /// </remarks>
Qz`evvH /// </summary>
q`AsnAzo& public class ApplicationLog
$;g*s?F* {
yc0
1\o /// <summary>
d^'_H>x /// 将错误信息记录到Win2000/NT事件日志中
ygTfQtN /// <param name="message">需要记录的文本信息</param>
WDNj7 /// </summary>
fTmJDUv+ public static void WriteError(String message)
3@F U-k,i {
Xp;'Wa"@ WriteLog(TraceLevel.Error, message);
6~ET@"0uK }
,5 ,r. <,Gjo]z /// <summary>
%YxKWZ/? /// 将警告信息记录到Win2000/NT事件日志中
['(qeS@5O /// <param name="message">需要记录的文本信息</param>
E.#JCO|(1 /// </summary>
1mV
'
~W public static void WriteWarning(String message)
z{.&sr>+v {
D*L@I@
[ WriteLog(TraceLevel.Warning, message);
Fmn_fW6 }
tdU'cc?M ,,FhE /// <summary>
8Ogg(uS70' /// 将提示信息记录到Win2000/NT事件日志中
Ez
<YD /// <param name="message">需要记录的文本信息</param>
kU:Q&[/jzH /// </summary>
z%fjG} z public static void WriteInfo(String message)
i(rYc {
s2sJJdN WriteLog(TraceLevel.Info, message);
YloE4PAY7 }
E=.J*7 /// <summary>
.yDR2sW /// 将跟踪信息记录到Win2000/NT事件日志中
CS%ut-K<5M /// <param name="message">需要记录的文本信息</param>
6heK8*.T /// </summary>
H(
LK}[ public static void WriteTrace(String message)
dnANlNMk? {
uvDOTRf WriteLog(TraceLevel.Verbose, message);
*o=Z~U9z }
o<|u4r={s T&dc)t`o /// <summary>
C
B;j[. /// 格式化记录到事件日志的文本信息格式
KjA7x /// <param name="ex">需要格式化的异常对象</param>
nJH'^rO!C /// <param name="catchInfo">异常信息标题字符串.</param>
;&b=>kPlZ /// <retvalue>
m%U=:u7#M /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
KYhL}C+ /// </retvalue>
o &b\bK%E /// </summary>
k H06Cb public static String FormatException(Exception ex, String catchInfo)
5G<`c {
jcePSps] StringBuilder strBuilder = new StringBuilder();
Jcvp< if (catchInfo != String.Empty)
$hM9{ {
jp-(n z\ strBuilder.Append(catchInfo).Append("\r\n");
9aID&b+ }
USE! strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
!ggHLZRlz return strBuilder.ToString();
eT F s9$ }
H1evW 45+kwo0 /// <summary>
MNfc1I_# /// 实际事件日志写入方法
V(G{_>> /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
[CnoMN /// <param name="messageText">要记录的文本.</param>
&Ai+t2 /// </summary>
6_EfOD9 private static void WriteLog(TraceLevel level, String messageText)
?:PF;\U {
%AMF6l[ try
&sq q+&ao {
CS^|="Zs EventLogEntryType LogEntryType;
787i4h:71 switch (level)
nQw, /Lk {
ylmVmHmc case TraceLevel.Error:
dDe$<g5L4 LogEntryType = EventLogEntryType.Error;
q!d7Ms{q break;
]VVx2ERs case TraceLevel.Warning:
Lz-(1~o LogEntryType = EventLogEntryType.Warning;
17rg!'+ break;
5Shc$Awc! case TraceLevel.Info:
(i)O@Jve LogEntryType = EventLogEntryType.Information;
\a:-xwUu< break;
u_=>r_J[b case TraceLevel.Verbose:
&I(3/u LogEntryType = EventLogEntryType.SuccessAudit;
$a')i<m^g break;
yX\~{% default:
N8wA">u LogEntryType = EventLogEntryType.SuccessAudit;
Kn+B):OY+ break;
0@!-+}i }
=rNI&K_< S?H
qrf7< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Yu9(qRK //写入事件日志
e58tf3 eventLog.WriteEntry(messageText, LogEntryType);
GQkI7C ()$tP3o }
w3Qil[rg catch {} //忽略任何异常
n\scOM)3 }
XQ k,xQ } //class ApplicationLog
B?XqH_=0L }
BfvvJh_ p6{8t} 12.Panel 横向滚动,纵向自动扩展
_'r&'s;<z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
O~bzTn M-f; ,> 13.回车转换成Tab
x8rp Z <script language="javascript" for="document" event="onkeydown">
}!vJ+ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
,|R\ Z,s event.keyCode=9;
!uHVg(} </script>
"qY_O/Eg]] 6[%4Q[ onkeydown="if(event.keyCode==13) event.keyCode=9"
bq}o#d5p-_ ,3ivB8 14.DataGrid超级连接列
pu+jw<7 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
vB/G#\Zqz 9<!Ie^o? 15.DataGrid行随鼠标变色
)e\IdKl= private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
XgZ.UT {
9&KiG* . if (e.Item.ItemType!=ListItemType.Header)
h1N{;SWQ {
SxRa?5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
>]8H@. \ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
:'gX//b): }
ytGcigw(P }
,dk!hm u tsTCZ);( 16.模板列
[lAZ)6E~= <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
4}HY= 0Um <ITEMTEMPLATE>
}W* q <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
7pz #%Hf </ITEMTEMPLATE>
!.5,RIf </ASP:TEMPLATECOLUMN>
4T:@W C e/!xyd <ASP:TEMPLATECOLUMN headertext="选中">
eN]9=Y~-K <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1A\N$9Dls <ITEMTEMPLATE>
Zut"P3d=J <ASP:CHECKBOX id="chkExport" runat="server" />
U>
1v oc </ITEMTEMPLATE>
q vGkTE <EDITITEMTEMPLATE>
B"I^hrQ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
QPpC_pZh </EDITITEMTEMPLATE>
`GT{=XJfY </ASP:TEMPLATECOLUMN>
4Q(GX.5 .q(1 后台代码
D~JrO]mi protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
r5\|%5=J {
ZncJ //改变列的选定,实现全选或全不选。
?r-W
, n CheckBox chkExport ;
rjW\tuZI if( CheckAll.Checked)
/jv4#9 {
t5WW3$Nf foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6{PlclI ! {
-|A`+1-R+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
q*4=sf,> chkExport.Checked = true;
1$ C\` }
\B~}s } }
Qc]Ki3ls else
6` @4i'. {
\$[S=&E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N1i%b,:3 {
etWCMR chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
iqPMCOPZ chkExport.Checked = false;
zU,Qph
,< }
V0!$k.Wk }
$4a;R I }
DNl'}K1W o&"nF+, 17.数字格式化
aoVfvz2Y ?#P@N4Uw}y 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
FpM0 % <%#Container.DataItem("price","{0:¥#,##0.00}")%>
%gE*x
# 1MnT*w int i=123456;
jou741 string s=i.ToString("###,###.00");
f/NfvLi(AU i@p0Jnh| 18.日期格式化
Dm0Ts~ +:?"P<' 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
E1-BB m3i+b 显示为: 2004-8-11 19:44:28
Zf~Z&"C) ;XXB^, 我只想要:2004-8-11 】
Dq G m <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Ga1(T$|H lo:{T_ay 应该如何改?
z->[:)c ruQ1Cph 【格式化日期】
RO+N>Wkt HJeZm 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
eQqx0+-0c TcM;6h` 【日期的验证表达式】
zLda+ + =N#6#1 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
"MNI_C#{ ^((\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})))?$
Td/J6Q90 cg]>*lH B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
!m<v@SmL\ ^\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]))$
AeN$AqQd/ \=NS@_t, 【大小写转换】
{N2MskK HttpUtility.HtmlEncode(string);
84}Pu% HttpUtility.HtmlDecode(string)
tlJ@@v&= q71~Y:7f 19.如何设定全局变量
i~0x/wSl_ 3"HW{= Global.asax中
$\A=J LaCVI Application_Start()事件中
EAPjQA-B? ]n9gnE 添加Application[属性名] = xxx;
e;G}T%W >`(]&o6<$ 就是你的全局变量
VW/ICX~"d $]t3pAI[H0 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
oDBv5 +zf[Im%E HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
GLE/ 1 7`_`V&3s 【ASPNETMENU】点击菜单项弹出新窗口
:[C"}mR1 o!-kwtw`l 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
cA8A^Iv:0 <?xml version="1.0" encoding="GB2312"?>
6A23H7 <MenuData ImagesBaseURL="images/">
'NYW`, <MenuGroup>
U1^3 &N8 <MenuItem Label="内参信息" URL="Infomation.aspx" >
6I!B>V#U+ <MenuGroup ID="BBC">
g/f^|: <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
p]E \!/ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'BOMFp7c ......
bc}BQ|Q 2Mo oqJp 最好将你的aspnetmenu升级到1.2版
O; #qG/b1 Hru~Y}V 21.读取DataGrid控件TextBox值
r(6$.zx foreach(DataGrid dgi in yourDataGrid.Items)
a
0+W-#G {
D@
4sq^|2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
B9h'}460H tb.Text....
2{;~Bgd }
s5cY> %;MM+xVVX 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?
|Jpi|'
T1[B*RwC 〖思归〗
O
!
iN <asp:TemplateColumn HeaderText="数量">
&A!?:?3%O <ItemTemplate>
o@47WD'm <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
J[ 7Sf^r onkeyup="javascript:DoCal()"
p38RgEf />
UsQh+W"? UrJrvx <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
fx3oA} </ItemTemplate>
3 =-XA2zJ </asp:TemplateColumn>
]r.95|V* wMvAm%}+ <asp:TemplateColumn HeaderText="单价">
#)b0&wyW6i <ItemTemplate>
Pof]9qE-y <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
}LTy Xo onkeyup="javascript:DoCal()"
T7qE
2 />
O'[r,|Q{ ;*[oi <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*aaK_=w &r0U9J </ItemTemplate>
M>g%wg7Ah </asp:TemplateColumn>
i8|0zI bTep TWv <asp:TemplateColumn HeaderText="金额">
.6HHUy <ItemTemplate>
$3)Z>p <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
e.VR9O]G </ItemTemplate>
`),ACkU>U </asp:TemplateColumn><script language="javascript">
_oAWj]~rO function DoCal()
%D6HY^]ayw {
Bh
,GQHJ var e = event.srcElement;
u%b.#! var row = e.parentNode.parentNode;
!}I+)@~\w var txts = row.all.tags("INPUT");
={[9kR i if (!txts.length || txts.length < 3)
Ce`#J6lT return;
ow2tfylV teX)!N [ var q = txts[txts.length-3].value;
hA:RVeS{ var p = txts[txts.length-2].value;
GMOnp$@H^s n=qu?xu if (isNaN(q) || isNaN(p))
|!hN!j*) return;
%R m`+ A3eus q = parseInt(q);
]o2 jS D p = parseFloat(p);
5-2#H?:U MN<uIqG txts[txts.length-1].value = (q * p).toFixed(2);
/v8yE9N_ }
oxZXY]$y </script>
kG>m(n wrm
ReT? /ei(Q'pc[ 6x iCTs0@ O 4C}]E 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
n@_aTY page_load
[oDu3Qn page.smartNavigation=true
w{89@ XRC n7VQi+i' 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Z# o;H$ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
')zf8>, {
S'}pUGDO for(int i=0;i<e.Item.Cells.Count-1;i++)
RH~I/4e if(e.Item.ItemType==ListItemType.EditType)
H7CWAQPfj {
e+O502] e.Item.Cells.Attributes.Add("Width", "80px")
:R1F\FT* }
J. $U_k }
2F#DJN#
1
.Nfl@] 26.对话框
=O??W8u private static string ScriptBegin = "<script language=\"JavaScript\">";
X[J? private static string ScriptEnd = "</script>";
~%?LFR' 'Rq2x-72} public static void ConfirmMessageBox(string PageTarget,string Content)
m5
l,Lxj {
U#g,XJ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
,t@B]ll cxz\1Vphd ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
RxO!h8 [m0G;%KR/ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
]=]fIKd ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
FwwOp"[~t //Response.Write(strScript);
|m F=X* }
-jk-ve =`E{QCW 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Ft<B[bQ ycj\5+g 1.1 取当前年月日时分秒
Rj!9pwvT currentTime=System.DateTime.Now;
75W@B}dZd WwF2Ry^a 1.2 取当前年
"'*Qq@!3? int 年= DateTime.Now.Year;
W0k7(v) m8<.TCIQ 1.3 取当前月
%`\=qSf* int 月= DateTime.Now.Month;
Wa<SYJ Lk2;\ D> 1.4 取当前日
"U|u-ka8B int 日= DateTime.Now.Day;
o2R&s@%0@B q!y!=hI 1.5 取当前时
Nin7AOO int 时= DateTime.Now.Hour;
89P'WFOFK kzmw1*J 1.6 取当前分
,b9!\OWDF int 分= DateTime.Now.Minute;
EI8KK o * :=?od
0]W 1.7 取当前秒
9s&dN int 秒= DateTime.Now.Second;
MeDlsO CPci
'SO 1.8 取当前毫秒
g_;4@jwTP" int 毫秒= DateTime.Now.Millisecond;
:vJ1Fo! q);@iiJ- 28.自定义分页代码:
cCv@fks "R^0eNv$ 先定义变量 :
*?YMoN public static int pageCount; //总页面数
UTVqoCHA public static int curPageIndex=1; //当前页面
UO4z~ #n.XOet<\ 下一页:
",pd 9 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Dd'J"|jF38 {
#ba7r
]Xu DataGrid1.CurrentPageIndex += 1;
5
51p*
B2 curPageIndex+=1;
Y*0j/91 }
6kHuKxY, hxkwT bind(); // DataGrid1数据绑定函数
( 9(NP_s
:X 9_~ 上一页:
md;jj^8zj if(DataGrid1.CurrentPageIndex >0)
Bk@&k}0 {
Np@RK1} DataGrid1.CurrentPageIndex += 1;
]ASTw(4 curPageIndex-=1;
?U3~rro! }
]iry'eljy e]@
B61lc bind(); // DataGrid1数据绑定函数
nK6(0?/ KZ 4G" 直接页面跳转:
g3TqTs int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
uJU;C.LX +Uxtxl' if(a<DataGrid1.PageCount)
@me ( pnD {
B8>3GZi this.DataGrid1.CurrentPageIndex=a;
jE!?;} P1 }
{w mP 4^7*R bind();
9a]J Q h@ @q:I= 29.DataGrid使用:
wRu\9H} rO]2we/B,4 添加删除确认:
juB /?'$~ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
tN0? {
<])kO`+G foreach(DataGridItem di in this.DataGrid1.Items)
z_%}F': {
/mwsF]Y if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
J<MuWgx& {
KJW^pAj$B ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
jdd3[ }
A'suZpL }
/X;!
F> }
7ZFd;- +,UuJ6[n 样式交替:
/ !aVv ListItemType itemType = e.Item.ItemType;
=U}!+ 8f ;!B>b)% if (itemType == ListItemType.Item )
2#@-t{\3-p {
3j\Py'}; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
!RwMUnp e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Dv}VmC"" }
l} W">
yQ0 else if( itemType == ListItemType.AlternatingItem)
YLp#z8 1e {
I@ D<rjR e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
3XhLn/@ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
V3$zlzSm, }
~Gh9m]b ,e{1l 添加一个编号列:
WD|pG;Gq DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
*~^M_wej DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
wp<f{^ et OySn[4`(i for(int i=0;i<dt.Rows.Count;i++)
e?<$H\ {
&XB1=b5 dt.Rows["number"]=(i+1).ToString();
{CQI*\O }
.e|\Bf0P 1 Ay.^f DataGrid1.DataSource=dt;
KNSMx<GP DataGrid1.DataBind();
$u,
~183 <
;fI*km DataGrid1中添加一个CheckBox,页面中添加一个全选框
K}QZdN'] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@gi / 1 cq {
E+P-)bRa foreach(DataGridItem thisitem in DataGrid1.Items)
^]9.$$GU\A {
JPq' C$ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
"LM[WcDX }
,yTT,)@< }
v(l:N@L te+r.(p 将当前页面中DataGrid1显示的数据全部删除
gP?.io9Oi foreach(DataGridItem thisitem in DataGrid1.Items)
" (yw(/ {
p5#UH if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
E2Ec`o {
jBJ|%KM string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
MZ_dI"J, Del (strloginid); //删除函数
d[sY]_ dj }
w%~Mg3| }
-NUA wcL|{rUXba 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)
oA4<AJ2 sK7b4gmK 在Application_Start中添加以下代码:
,R=)^Gh{ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
5)i+x- AppSettings["ConnStr"].ToString();
lz(}N7SLa zZiga q" 31. 变量.ToString()
`FmRoMW9+ T_oL/x_; 字符型转换 转为字符串
6,(S}x
YDZ 12345.ToString("n"); //生成 12,345.00
R!2E`^{Wl 12345.ToString("C"); //生成 ¥12,345.00
vpoJ{TPO
12345.ToString("e"); //生成 1.234500e+004
14yzGhA 12345.ToString("f4"); //生成 12345.0000
{$'oKJy* 12345.ToString("x"); //生成 3039 (16进制)
dyt.(2 12345.ToString("p"); //生成 1,234,500.00%
)pw53,7>aN `A$zLqz)Vm 32、变量.Substring(参数1,参数2);
T<U_Iq 2Jqr"|sw 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);
66HxwY3a =/bC0bb{i 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)
&+df@U6i <SCRIPT language="javascript">
m,r>E%;Cj <!--
Q;=3vUN function gook(pws)
xn}HB {
b#Vm;6BHD1 frm.submit();
$Fv|w9 }
2 P9{?Y //-->
9.Yn]O .> ^U
mM </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
9Qn*frdY, <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
vzZ"TSP <tr>
6 IKi*} <td>
I~25}(IDZ" <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]_2<uK}fg <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
"*N]Y^6/A <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
6QNO#!; %=5 m!"F <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
:7pt=IA <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
\/?&W[T F `,Y/!(:; </td>
H'x_}y a@N
1"O </tr>
Y|aaZ|+ |],ocAN{ </form>
jiP^Hz"e
%R?#Y1Tq; 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。
3.@ir"vy j\2q2_f 下面是获取用户输入的登陆信息的代码:
9Nu:{_YoP string name;
>RXDuCVi name=Request.QueryString["EmailName"];
^Kn:T`vB \0z<@)r+AJ try
qoOq47F {
Y{
w9D`} int a=name.IndexOf("@",0,name.Length);
XVYj
X f_user.Value=name.Substring(0,a);
@O)1Hnm f_domain.Value=name.Substring(a+1,name.Length-(a+1));
TFtD>q X f_pass.Value=Request.QueryString["Psw"];
R^Y_i }
|4F'Zu}g> ,zh4oX`> catch
DaqpveKa {
F,JqHa9 Script.Alert("错误的邮箱!");
E 7"`D\* Server.Transfer("index.aspx");
MzIn~[\ }