1. 打开新的窗口并传送参数:
c[E>2P2-_ %
ovk}}%; 传送参数:
h|
]BA}D response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
R WK##VHK Dwi[aC+k 接收参数:
f')3~)" string a = Request.QueryString("id");
iT"H%{+~ string b = Request.QueryString("id1");
@V5'+^O G[[NDK 2.为按钮添加对话框
^bckl
tSo Button1.Attributes.Add("onclick","return confirm(’确认?’)");
]J6+nA6)
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
bmu<V1[W ,';+A{aV 3.删除表格选定记录
5jBBk*/\ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
_=oNQ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
gKay3}w `@r#o& 4.删除表格记录警告
zV=(e( [ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
h|
+( {
K#],4OG switch(e.Item.ItemType)
*3W e5 {
wfc[B;K\ case ListItemType.Item :
oO)KhA?y case ListItemType.AlternatingItem :
k%v/&ojI case ListItemType.EditItem:
l5d>
YTK+5 TableCell myTableCell;
,wlSNb@' myTableCell = e.Item.Cells[14];
>`'>,n| LinkButton myDeleteButton ;
)gq( myDeleteButton = (LinkButton)myTableCell.Controls[0];
dk9nhS+faJ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Ch9A6?=Hj8 break;
q{t"=@lX01 default:
`O/RNMaC break;
m
K@a7fF? }
v__;oqN0 -?Aa RwZ, }
*cn#W]AE `[J(au$z 5.点击表格行链接另一页
y:zo/#34 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
D7Nz3.j {
j']Q-s(s //点击表格打开
pd{;`EW| if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%C8fv|@:f e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
k^PqB+P! }
(B zf~#]~
YErn50L 双击表格连接到另一页
7F{=bL @tLoU% 在itemDataBind事件中
4)3!n*I if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y[!4M+jj {
+/Lf4??JV string OrderItemID =e.item.cells[1].Text;
fKY1=3 ...
~-w e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<#9zc'ED: }
/@bLc1" ~Zd n#z\ 双击表格打开新一页
r,4V SyZF\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9/k?Lv {
(d C<N3 string OrderItemID =e.item.cells[1].Text;
&sx|sLw) ...
|k4ZTr]? e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
q61
rNOw_ }
=w.#j-jR g loo].z ★特别注意:【?id=】 处不能为 【?id =】
Gr;~P* 6.表格超连接列传递参数
(A*r&Ak[ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
$u4esg <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
'c<@SVF{Zz #:68}f"$ 7.表格点击改变颜色
Hvq< _&2 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7=ZB;(`L1 {
[]Z| *+=Q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
(;T;?v`- this.style.color=’buttontext’;this.style.cursor=’default’;");
yf=ek== }
9e Dji, >P=xzg79 写在DataGrid的_ItemDataBound里
lC1X9Op if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
xy|-{ {
I$`Vw > e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~5wCehSb this.style.color=’buttontext’;this.style.cursor=’default’;");
7}r!%<^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`q exEk@S }
NCvwg % KY&E>^ Dg#A b8 8.关于日期格式
uBks#Y*3$ ^tuJM: 日期格式设定
ANCgch\ DataFormatString="{0:yyyy-MM-dd}"
%;zWS/JhL 7q|(ZZa 我觉得应该在itembound事件中
DZXv3gnX e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
nu$LWC- |"P5%k#6^> 9.获取错误信息并到指定页面
P
N_QK Z &K^h'>t' 不要使用Response.Redirect,而应该使用Server.Transfer
o\Hg2^YY> _ }!Q4K e.g
j<+iL]b // in global.asax
$}k"wI[ protected void Application_Error(Object sender, EventArgs e) {
JPUDnPr if (Server.GetLastError() is HttpUnhandledException)
7Hpsmfm Server.Transfer("MyErrorPage.aspx");
){>;eky (cYc03" //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
&/\0_CoTR\ }
-JZl?hY( ZrA\a#z"< Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
5H 1(C#| <UQ:1W8>B 10.清空Cookie
7B%@f9g Cookie.Expires=[DateTime];
xm YA/wt8 Response.Cookies("UserName").Expires = 0
cp?`\P f8?K_K;\ 11.自定义异常处理
YQN=.Wtc //自定义异常处理类
J&a887 using System;
=WEfo; using System.Diagnostics;
;gm){ g &,&+/Sr11 namespace MyAppException
@R2|=ox {
@-b}iP<T /// <summary>
H[,.nH_>+ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?EX'j
> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8d)F# /// </summary>
[1nI%/</> public class AppException:System.ApplicationException
fJE ki>1 {
K?T)9 public AppException()
iMp)g%Ng {
2
yP#:T/z if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
t41cl }
_i8$!b2Mr =,@SZsM*B public AppException(string message)
Op%^dwVG(v {
u khI#:[ LogEvent(message);
@/0aj }
6xFZv
t (tq)64XVz public AppException(string message,Exception innerException)
9D#PO">| {
"4tRy9q LogEvent(message);
RycEM|51V if (innerException != null)
7OWiG, {
W&!Yprr LogEvent(innerException.Message);
>uuX<\cW }
C#-x 3d-{ }
n1ED _9 QHs]~Ja //日志记录类
5h>
gz using System;
<01B\t7 using System.Configuration;
ufR | using System.Diagnostics;
[
objdQU` using System.IO;
^5T{x>Lj using System.Text;
e2*^;&|% using System.Threading;
IeU.T@ $ x9_ Lt4 namespace MyEventLog
`a6;*r y {
tcX7Ua(I` /// <summary>
95!xTf /// 事件日志记录类,提供事件日志记录支持
Pdn.c1[-a /// <remarks>
v;$^1 I /// 定义了4个日志记录方法 (error, warning, info, trace)
nlmkkTHF8 /// </remarks>
I'@ }Yjm| /// </summary>
bm+ Mr public class ApplicationLog
K0E;4r {
|;_
yAL /// <summary>
S$H4xkKs /// 将错误信息记录到Win2000/NT事件日志中
Qp=uiXs /// <param name="message">需要记录的文本信息</param>
cn\_;TYiJ /// </summary>
-xcz+pHQ public static void WriteError(String message)
e+6~JbMV {
8D n]`}ok WriteLog(TraceLevel.Error, message);
uyA9`~p=# }
#* Hhe> k{bba=< /// <summary>
q/3}8BJ /// 将警告信息记录到Win2000/NT事件日志中
8EE7mEmLH /// <param name="message">需要记录的文本信息</param>
3Q ]MT /// </summary>
Yr31GJ}K public static void WriteWarning(String message)
SUVr&S6Nk {
~T-.k
7t WriteLog(TraceLevel.Warning, message);
ji8Rd"S }
f/c}XCH_h |(V%(_s /// <summary>
Ml3F\ fAW /// 将提示信息记录到Win2000/NT事件日志中
HIU@m< /// <param name="message">需要记录的文本信息</param>
o&AUB`.9~ /// </summary>
k
Z3tz?Du public static void WriteInfo(String message)
_xC~44 {
-12v/an]L7 WriteLog(TraceLevel.Info, message);
1=D!C lcb }
lR(&Wc\j /// <summary>
67g/(4 & /// 将跟踪信息记录到Win2000/NT事件日志中
qQ_B[?+W /// <param name="message">需要记录的文本信息</param>
=['ijD4TW /// </summary>
UiSc*_N" public static void WriteTrace(String message)
ZV U9 t {
kU
Flp WriteLog(TraceLevel.Verbose, message);
dg!sRm1iZ: }
UEe qk"t^ uJO*aA{K /// <summary>
2<O8=I _ /// 格式化记录到事件日志的文本信息格式
f6"j-IW[z /// <param name="ex">需要格式化的异常对象</param>
us cR/d
/// <param name="catchInfo">异常信息标题字符串.</param>
ES~]rPVS /// <retvalue>
}n=NHHtJ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
bk?\=4B:E /// </retvalue>
y,x~S\>+ /// </summary>
:d#NnR0^L public static String FormatException(Exception ex, String catchInfo)
Kaa*;T![ {
=,'Z6?%p
StringBuilder strBuilder = new StringBuilder();
gMvvDP!Wp if (catchInfo != String.Empty)
pE<' '` {
F,zJdJ strBuilder.Append(catchInfo).Append("\r\n");
|<V{$),k }
9mnON~j5 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
|l|]Tw return strBuilder.ToString();
w-"&;klV }
FX^E | xr/k.Fz /// <summary>
TGNeEYr /// 实际事件日志写入方法
s`B'vyoaa /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
kMo)4Xp /// <param name="messageText">要记录的文本.</param>
_e3'f:
/// </summary>
5^dw!^d private static void WriteLog(TraceLevel level, String messageText)
`R> O5Rv {
t5k&xV=~
# try
=FbfV*K9 {
E;4a(o]{t EventLogEntryType LogEntryType;
RFC;1+Jn switch (level)
#J!?
:(m: {
A-io-P7qyj case TraceLevel.Error:
r Lh
h LogEntryType = EventLogEntryType.Error;
twtDyo(\ break;
-AT@M1K7% case TraceLevel.Warning:
Vk (bU=w LogEntryType = EventLogEntryType.Warning;
P1QJ'eC;T break;
:tqjm: case TraceLevel.Info:
D:(f" LogEntryType = EventLogEntryType.Information;
IMZKlU3 break;
XbC8t &Q], case TraceLevel.Verbose:
CA4-&O" LogEntryType = EventLogEntryType.SuccessAudit;
C\^K6,m5 break;
fq|2E&&v default:
)rj mJ LogEntryType = EventLogEntryType.SuccessAudit;
>{S $0D break;
XV>6;!=E }
)ta5y7np
u
B\&
Q; EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8ilbX)O //写入事件日志
AG7}$O. eventLog.WriteEntry(messageText, LogEntryType);
,#T3OA!c** m_2P{ }
ib_Gy77Os catch {} //忽略任何异常
Q*.FUV&; }
<k](s } //class ApplicationLog
Lf#G?]@ }
>~rd5xlk h'~-K` 12.Panel 横向滚动,纵向自动扩展
Ij1]GZ`A( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
j>xVy]v= | k~f+L O 13.回车转换成Tab
iyYY)roB <script language="javascript" for="document" event="onkeydown">
j/D)UWkR if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
]$*{< event.keyCode=9;
K eI:/2 </script>
o%%x'uC J'yN' 0 onkeydown="if(event.keyCode==13) event.keyCode=9"
J&:W4\ m fVUBCu 14.DataGrid超级连接列
w3qf7{b DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Qz+d[%Q}x cqY.^f. 15.DataGrid行随鼠标变色
7;'.5,-3c private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'c0'P%[5A {
xH_ie if (e.Item.ItemType!=ListItemType.Header)
g[au-.: {
Kxc$wN< e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
=jIT"rk e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
`qDz=,)WP }
-`dxx)x }
p@8krOo` a^c,=X3 16.模板列
_8li4;F <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
IHbo w0' <ITEMTEMPLATE>
x;FO|fH <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
[gkRXP[DGs </ITEMTEMPLATE>
n5k^v$' </ASP:TEMPLATECOLUMN>
Da8$Is;n R%N#G<^R <ASP:TEMPLATECOLUMN headertext="选中">
aI{@]hCo <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
r(1pvcWY- <ITEMTEMPLATE>
}'V'Y[ <ASP:CHECKBOX id="chkExport" runat="server" />
A,lw-(.z4Z </ITEMTEMPLATE>
K;y\[2;}e, <EDITITEMTEMPLATE>
YY:iPaGO <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
O3C)N
I\i
</EDITITEMTEMPLATE>
?X_0Iy}1 </ASP:TEMPLATECOLUMN>
xeYySM= _UBJPb@=U 后台代码
p=-B~: protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%<=vbL9 {
Tc3ih~LvG //改变列的选定,实现全选或全不选。
m{lRFKx>s CheckBox chkExport ;
4-M6C 5#. if( CheckAll.Checked)
oX2DFgz {
Nx4DC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
j |'#5H` {
}GNkB chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3\p]esse chkExport.Checked = true;
v;bM.OL }
E%k ]cZ }
k\Z;Cmh> else
U|
41u4)D {
f^6&Fb> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
M=\d_O#;Z {
dS3>q<J*a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
hHfe6P
| chkExport.Checked = false;
|%:qhs, }
gQI(=in }
0i`v:Lq% }
%qNj{<& 1&8j3" 17.数字格式化
~4=]%XYz U5On-T5 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Imh2~rw; <%#Container.DataItem("price","{0:¥#,##0.00}")%>
uGP[l`f|FQ Io,/ +#| int i=123456;
T.R>xd`9
" string s=i.ToString("###,###.00");
(sV]UGrZ qXP1Q3 18.日期格式化
r{R[[]p Eo7 _v 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
|iwM9oO% _:ZFCDO 显示为: 2004-8-11 19:44:28
?;:9
W *c~'0|r 我只想要:2004-8-11 】
0^<Skm27" <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
d$"G1u~% r+[#%%}ea 应该如何改?
80FCe(U c]s(u+i 【格式化日期】
wc6
E-rB
f"ZqA'KB# 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
l#2r.q^$| {~j /XB 【日期的验证表达式】
V!pq,!C$v
nR,Qm=; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
hb /8Q ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
vpeq:h k8InbX[ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
_SMT.lG
^\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]))$
wo7N7R5 Kf:2%_DB 【大小写转换】
F9m 2C'U HttpUtility.HtmlEncode(string);
i#L6UKe:Q HttpUtility.HtmlDecode(string)
4 o3)* 8_^'(] 19.如何设定全局变量
t/v@vJ`vSH pX>ua5Z Global.asax中
$\0cJCQ3 ^#a#<8Jz Application_Start()事件中
4&FNU)tt i>ESEmb- 添加Application[属性名] = xxx;
!6XvvTs/< /p"U 就是你的全局变量
r\A@&5#q iyA*JCD 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
4/*]` K:}h\ In HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
(A7T}znG *)j@G: 【ASPNETMENU】点击菜单项弹出新窗口
(/T+Wpy? XoDJzrL# 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
L/qZ ; { <?xml version="1.0" encoding="GB2312"?>
]h #WkcXQ <MenuData ImagesBaseURL="images/">
GIl:3iB49 <MenuGroup>
|RHO+J <MenuItem Label="内参信息" URL="Infomation.aspx" >
H/cs_i <MenuGroup ID="BBC">
EsT0"{ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
ggrI>vaw <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
j G+T. ......
R19'|TJ qJ\X~5{ 最好将你的aspnetmenu升级到1.2版
Z7`5x 8pXfT%] 21.读取DataGrid控件TextBox值
fswZM\@ foreach(DataGrid dgi in yourDataGrid.Items)
Eem 2qKj {
M.o?CX' TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
i
FC"!23f tb.Text....
=^BqWC2~ }
o8w-$
Qb Nawp t% 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?
-0A@38, } Y Eg
. 〖思归〗
q:xtm?'$ <asp:TemplateColumn HeaderText="数量">
Vil@?Y" <ItemTemplate>
<$"7~i/X <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
lKf Mp1 onkeyup="javascript:DoCal()"
@) />
L=d$"Q s ;48v <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
S/a/1n$ U </ItemTemplate>
c}YJqhk0J </asp:TemplateColumn>
ILNE 4n }j&O/Up <asp:TemplateColumn HeaderText="单价">
-Bl/4p <ItemTemplate>
n(Qj||: <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
S{o@QVbl onkeyup="javascript:DoCal()"
.?A'6 />
^/G?QR 8r5xs- <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
DG_}9M!DW@ )URwIe{ </ItemTemplate>
g+:$X- r </asp:TemplateColumn>
#N; $ cB{%u
' <asp:TemplateColumn HeaderText="金额">
%rFP#L <ItemTemplate>
4DvdEt <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
.8-PB*vb </ItemTemplate>
)8:n}w </asp:TemplateColumn><script language="javascript">
<inl{CX/ function DoCal()
%wOOzp` {
7}gA0fP9 var e = event.srcElement;
!>\9t9 var row = e.parentNode.parentNode;
;F|jG}M" var txts = row.all.tags("INPUT");
Q{O/xLf if (!txts.length || txts.length < 3)
t9ER;.e return;
>Ja0hS{* ggMUdlU var q = txts[txts.length-3].value;
&Y 'z?N var p = txts[txts.length-2].value;
AlUJ1^o) A8J?A#R*{q if (isNaN(q) || isNaN(p))
',DeP>'%> return;
o\d |CE;> JFe4/
V q = parseInt(q);
g .3f2w p = parseFloat(p);
$,!hD\a p#)e:/Qy txts[txts.length-1].value = (q * p).toFixed(2);
,Ak ^nX }
Nc,*hsx' </script>
fQxSMPWB tAaYL
\~ *8/VSs e "_&z#
2_ X#VEA=4{ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
A5+q^t} page_load
;.\g-`jb page.smartNavigation=true
~'(9?81d
yz2(_@R 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
?%93b ,7 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
(WJV.GcP1 {
n>n"{! for(int i=0;i<e.Item.Cells.Count-1;i++)
EVWA\RO'\ if(e.Item.ItemType==ListItemType.EditType)
{K+.A 9! {
eVTO#R*'| e.Item.Cells.Attributes.Add("Width", "80px")
}&mj.hGv }
{798=pC<. }
AYt*'Zeg!s ;jF%bE3 26.对话框
iL+y(] private static string ScriptBegin = "<script language=\"JavaScript\">";
r9<V%PHv private static string ScriptEnd = "</script>";
fa"\=V2S ZH% we public static void ConfirmMessageBox(string PageTarget,string Content)
Ohc^d"[7 {
K@HLIuz4t string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
W.IH#`-9E cFw3Iw"JJ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
B+|IZoR 2f `&WUe Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
-W9gH ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
g2A"1w<-AH //Response.Write(strScript);
m.!wsw }
jBS'g{y-! Ny]lvgu9X 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
\`
&ej{ Bf/|{@ 1.1 取当前年月日时分秒
gUspGsfr currentTime=System.DateTime.Now;
N_0pO<<cs ::ri3Tu 1.2 取当前年
O6/xPeak int 年= DateTime.Now.Year;
c+H)ed> wBLsz/ 1.3 取当前月
&u("|O)w$ int 月= DateTime.Now.Month;
TKd6MZhT 'g2vX&=$A 1.4 取当前日
w\p9J0 int 日= DateTime.Now.Day;
NfOp=X?Y RFB(d=o5S 1.5 取当前时
Ll?g.z" int 时= DateTime.Now.Hour;
2HSb.&7-G l`* ( f9Q 1.6 取当前分
2!BsEvB( int 分= DateTime.Now.Minute;
gXF.on4B / xs9.w8- 1.7 取当前秒
7pz\ScSe int 秒= DateTime.Now.Second;
@\!ww/QT (xbIUz. 1.8 取当前毫秒
db'K!M) int 毫秒= DateTime.Now.Millisecond;
2?*||c==* vsc&Ju%k 28.自定义分页代码:
}{A?PHV5 j"i#R1T 先定义变量 :
?@>;/@ public static int pageCount; //总页面数
*CzCUu:%t public static int curPageIndex=1; //当前页面
;HP#bx xvdY
8%S 下一页:
dt<~sOT3s if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
-nOq \RYV {
] ;&"1A DataGrid1.CurrentPageIndex += 1;
dok)Je curPageIndex+=1;
F'rt>YvF }
T30Zk*V ",T`\8&@e bind(); // DataGrid1数据绑定函数
d[S#Duz<& %Sul4: D# 上一页:
Nkx0CG* if(DataGrid1.CurrentPageIndex >0)
*<UGgnmLE {
_Yy:s2I8B DataGrid1.CurrentPageIndex += 1;
v[smQO curPageIndex-=1;
VE*j*U
j }
_!%M% IKo;9|2U bind(); // DataGrid1数据绑定函数
Hxn<(gd
G yZ5x88 > 直接页面跳转:
W~<m[#:6C int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
R2CQXhiJ \@8*T S if(a<DataGrid1.PageCount)
?d~]Wd !z {
-w\M-wc/$ this.DataGrid1.CurrentPageIndex=a;
ljuNs@q }
5tMh/]IeS $HxS:3D%D bind();
JdO)YlM- e$32 29.DataGrid使用:
Qww^P/vm i+1Qf 添加删除确认:
.>wFztK private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+v!v[qn {
Hsgy'X%om foreach(DataGridItem di in this.DataGrid1.Items)
KxX[S.C {
!VFem~'d if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
aiJnfU]W {
bs
BZE ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Li]k7w?H }
Fe5jdV< }
=q5@,wN^ }
G0pBR]_5z$ TW2Z=ks= 样式交替:
x2@,9OUx ListItemType itemType = e.Item.ItemType;
$
o"
L;j SHwRX?
B| if (itemType == ListItemType.Item )
yjFe' {
Q-(Dk?z{ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
DFc [z"[ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
F3Dt7q }
2kVp_=c else if( itemType == ListItemType.AlternatingItem)
A4
5m)wQ {
Mc:bU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
3p&jLFphL e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
||XIWKF<n2 }
nEyIt&>9 *Q5x1!#z# 添加一个编号列:
Z}+yI, DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
6"+8M 3M l DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
/BT1oWi1y !LiQ 1`V{ for(int i=0;i<dt.Rows.Count;i++)
-;U3w.- {
EX+,:l\^ dt.Rows["number"]=(i+1).ToString();
gB >pd?d }
Mi?}S6bp 9x[ U$B DataGrid1.DataSource=dt;
Z7KXWu+6`m DataGrid1.DataBind();
.jargvAL* {>h97}P DataGrid1中添加一个CheckBox,页面中添加一个全选框
B4^`Sw private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
>(3'Tnu {
ABZ06S/ foreach(DataGridItem thisitem in DataGrid1.Items)
{+Sq<J_`M {
T
.hb#oO ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
]-a{IWVN }
Cg3ODfe }
H-2_j 9n 6fXOC 将当前页面中DataGrid1显示的数据全部删除
jtCZfFD? foreach(DataGridItem thisitem in DataGrid1.Items)
fhr-Y'
{
)!sa)\E? if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
e#khl9j*bt {
Wcn[gn< string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
[ f34a Del (strloginid); //删除函数
puF%=i }
"H?QqrKx }
+Vy_9I(4Z 0;<OYbm3< 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
cgN>3cE auL^%M|$R 在Application_Start中添加以下代码:
|Euus5[ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
K:_($X] AppSettings["ConnStr"].ToString();
0+j}}; fGTOIi@# 31. 变量.ToString()
HY*\ k# Nxi)Q$ 字符型转换 转为字符串
4TVwa(cB 12345.ToString("n"); //生成 12,345.00
;wgFr.#hp@ 12345.ToString("C"); //生成 ¥12,345.00
7wi%j! 12345.ToString("e"); //生成 1.234500e+004
Q;wB{vr$ 12345.ToString("f4"); //生成 12345.0000
'F7VM?HBfg 12345.ToString("x"); //生成 3039 (16进制)
%t[K36,p 12345.ToString("p"); //生成 1,234,500.00%
>)3VbO W+hV9 32、变量.Substring(参数1,参数2);
|!}wF}iLc) pX_b6%yX( 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);
F~R7~ZE 7kd|K
b( 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)
OD|1c6+X <SCRIPT language="javascript">
,ux+Qz5( <!--
]7vf#1i< function gook(pws)
7=3O^=Q^Q {
hy!6g n frm.submit();
n| C|& }
o_rtH|ntX5 //-->
6p m~sD j|(:I: ] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
v|&s4x?D <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
aS/`A <tr>
4U{m7[ <td>
+*.1}r& <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
q~O>a0f0 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
75AslL?t <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
61|B]ei/ mf2Mx=oy <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
p:tN642 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
km4g}~N</ 9I kUZW </td>
9|3o< Z
Xb}R^O- </tr>
Y|RdzCM hVf^ </form>
ERC<Dd0 lwJip IO 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。
8K^f:)Qw aDveU)]=1 下面是获取用户输入的登陆信息的代码:
n_P(k-^U* string name;
<T4(H[9B name=Request.QueryString["EmailName"];
a.,i.2 G=cNzr9 try
f[}|rf {
<\ETPL,< int a=name.IndexOf("@",0,name.Length);
1Z 6SI>p f_user.Value=name.Substring(0,a);
!g2a|g f_domain.Value=name.Substring(a+1,name.Length-(a+1));
r0Z+RB^I f_pass.Value=Request.QueryString["Psw"];
=YHt9fb$c }
j ug'g v$3_o : catch
#_fY4vEO {
?gG, t4D Script.Alert("错误的邮箱!");
MD4\QNUa)* Server.Transfer("index.aspx");
+?V0:Kz] }