1. 打开新的窗口并传送参数:
~U6"? ?Jt$a; 传送参数:
egm)a
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
P|e`^Frxt pDu{e>S|: 接收参数:
*AZ?~ i^o string a = Request.QueryString("id");
v`JF\"}S string b = Request.QueryString("id1");
N.Dhu ~V *E:x E/M!2 2.为按钮添加对话框
qmZ2d!)o Button1.Attributes.Add("onclick","return confirm(’确认?’)");
o+nG3kRD button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
3bC+Mco ><;Q@u5~ 3.删除表格选定记录
kt^yj"C> int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
NYBe"/}GS string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
KOjluP ^[k0k(_ 4.删除表格记录警告
(;aB!(_ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
x97L6! {
h
T<n1q~ switch(e.Item.ItemType)
!z"Nv1!~| {
jM~Bu.7 i6 case ListItemType.Item :
bAf,aV/C&| case ListItemType.AlternatingItem :
s5l3V2k case ListItemType.EditItem:
Jf7frzw
TableCell myTableCell;
[*8Y'KX < myTableCell = e.Item.Cells[14];
8tLHr @%% LinkButton myDeleteButton ;
XS?gn.o\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
"PMQyzl myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
+t9 8@ break;
DkgUvn/S default:
Yd:Q`#7A break;
I&Jt> O4 }
y4@gGC= Yi(1^'Bi }
d?A}qA[( -v+&pG?m 5.点击表格行链接另一页
+2RNZEc private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
fW?sYC' {
;QBh;jg4 //点击表格打开
j!\dn!Xwt if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?}}qu'N:N e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
$5AC1g' }
c%z'xM 8d!GZgC8R 双击表格连接到另一页
Qzqc .T o}8I_o&]U 在itemDataBind事件中
BkawL, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3JO]f5 {
~6`iY@) string OrderItemID =e.item.cells[1].Text;
*5k+t ...
^~$\ g] e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
gZO&r#
}
3J~0O2 3`*Kav>" 双击表格打开新一页
k$N0lR4:p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
48O~Jx, {
h7]EB!D\A string OrderItemID =e.item.cells[1].Text;
? }yfKU` ...
7]Em, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
yb2}_k.JG }
bFY~oa%C ba3*]01Yb ★特别注意:【?id=】 处不能为 【?id =】
/7D<'MF 6.表格超连接列传递参数
,\YAnKn6_ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
mM_
k^4: <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
w##^}nHOR nirDMw[ 7.表格点击改变颜色
1vnYogL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
fE]XWA4U {
Zd!U')5/ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
=Mj0:rW this.style.color=’buttontext’;this.style.cursor=’default’;");
=dZHYO^Cv }
D3D}DaEYj uo2'"@[e 写在DataGrid的_ItemDataBound里
! zL1;d if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
tF7hFL5f {
Io n~ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
NBYH;h P this.style.color=’buttontext’;this.style.cursor=’default’;");
x|i_P|Z e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
-MBV$:_R }
D`[Khs f Dnw| %6Y Fh8lmOL;? 8.关于日期格式
8R/dA<Ww 3BG>Y(v 日期格式设定
E{?au]y$J DataFormatString="{0:yyyy-MM-dd}"
*bd[S0l $,3J7l3 我觉得应该在itembound事件中
u JY)4T e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
-C-yQ.>\T# jQS 6J+F] 9.获取错误信息并到指定页面
M f~}/h 7f3O 不要使用Response.Redirect,而应该使用Server.Transfer
]p7jhd= T/pqSmVpM e.g
j8Cho5C // in global.asax
15U (={ protected void Application_Error(Object sender, EventArgs e) {
hI},~af if (Server.GetLastError() is HttpUnhandledException)
c!#:E` Server.Transfer("MyErrorPage.aspx");
5T@aCC@$h b[I8iS kfi //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
l(;Kij }
*/^QH@ P cPDQ1qre! 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
`R"~v/x |'d>JT: 10.清空Cookie
I_1e?\ Cookie.Expires=[DateTime];
? *>]")[> Response.Cookies("UserName").Expires = 0
*.#oxcll >UDd @ 11.自定义异常处理
-
e"jw#B //自定义异常处理类
.,0b E using System;
=WIJ>#Go< using System.Diagnostics;
:,B7-kBw X]%itA namespace MyAppException
r [ : {
n/~A`%E@ /// <summary>
CVNj-&vj /// 从系统异常类ApplicationException继承的应用程序异常处理类。
bi[IqU!9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
C;+h.;}<D /// </summary>
?e[lr>- public class AppException:System.ApplicationException
e:'?*BYVg3 {
,:LA.o}h public AppException()
ntFT>g{B {
!|ak^GE:(% if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
sEMQ }
p]T<HGJ P +N`ua public AppException(string message)
J(DN! {
d?wc*N3 LogEvent(message);
M(x$xAiD }
b~=0[Rv 8N&+7FK public AppException(string message,Exception innerException)
7%f&M>/ {
L){iA-k;Ec LogEvent(message);
Q7Iw[=;\ if (innerException != null)
yAL[[ {
&>d:R_Q] LogEvent(innerException.Message);
>NYW{(j }
F8-?dp f' }
%`Z+a.~ U Wbr+KX8) //日志记录类
(T`E!A0I\? using System;
yY?b.ty using System.Configuration;
;X*cCb`h using System.Diagnostics;
}>)[<;M>% using System.IO;
wLK07e( using System.Text;
(e(:P~Ry using System.Threading;
A,sr[Pa@ '5&s=M_ namespace MyEventLog
.<@8gNm3 {
#@<9S{F /// <summary>
kuyjnSo9i /// 事件日志记录类,提供事件日志记录支持
jCbV,0)^ /// <remarks>
y@0E[/O /// 定义了4个日志记录方法 (error, warning, info, trace)
]vwW]O7 /// </remarks>
!*RqCS, /// </summary>
VD_$$Gn*q public class ApplicationLog
Zm6{n' {
p
w8 s8? /// <summary>
`tP7ncky /// 将错误信息记录到Win2000/NT事件日志中
9IX/wm" /// <param name="message">需要记录的文本信息</param>
lXcx@#~ /// </summary>
3EJt%}V$k public static void WriteError(String message)
pe^u$YE {
94B\5I} WriteLog(TraceLevel.Error, message);
CHe>OreiS }
:q#Xq;Wp qkiI/nH3 /// <summary>
15o9 . /// 将警告信息记录到Win2000/NT事件日志中
feQ **wI /// <param name="message">需要记录的文本信息</param>
w!fE;H8w6 /// </summary>
|PC*=ykT3 public static void WriteWarning(String message)
j~!X;PV3 {
%Dwk WriteLog(TraceLevel.Warning, message);
w.[ "p9tc }
;q*e=[_DF Y1]n^ /// <summary>
7(pF[LCF /// 将提示信息记录到Win2000/NT事件日志中
h*- Pr8 /// <param name="message">需要记录的文本信息</param>
6I%5Q4Ll /// </summary>
ZIQ
[bE7 public static void WriteInfo(String message)
hEp(A8g)bQ {
Z]B~{!W1 WriteLog(TraceLevel.Info, message);
|UX(+;n
}
]*AR,0N& /// <summary>
<yd{tD$A* /// 将跟踪信息记录到Win2000/NT事件日志中
3\XU_Xs(] /// <param name="message">需要记录的文本信息</param>
*s:(jDlv /// </summary>
1fpQLaT public static void WriteTrace(String message)
%44leINx {
DAXX;4 WriteLog(TraceLevel.Verbose, message);
e
J6$-r }
q^Y-}=w 'IwNTM /// <summary>
u
fw ]=h) /// 格式化记录到事件日志的文本信息格式
RS8Hf~0G /// <param name="ex">需要格式化的异常对象</param>
\SBc; /// <param name="catchInfo">异常信息标题字符串.</param>
>k (C /// <retvalue>
N<XNTf /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~{jcH /// </retvalue>
U
H*r5o3 /// </summary>
d~i+
I5 public static String FormatException(Exception ex, String catchInfo)
~vyf4TF<# {
[5SD_dN StringBuilder strBuilder = new StringBuilder();
>Z'NXha if (catchInfo != String.Empty)
R=QZgpR {
|'B7v i) strBuilder.Append(catchInfo).Append("\r\n");
d>mo~ }
NA ~Vg8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
tP$<UKtU return strBuilder.ToString();
R}!:'^ }
]GW]dM dZ0A3(t /// <summary>
Zcx`SC-0 /// 实际事件日志写入方法
e]zBf;9J /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)8$=C#qC[ /// <param name="messageText">要记录的文本.</param>
^G}47( /// </summary>
tM'P m private static void WriteLog(TraceLevel level, String messageText)
=Jyu4j *} {
9-fLz?J try
Xg;}R:g ' {
}khV'6"'| EventLogEntryType LogEntryType;
KV0]m^@x switch (level)
2*^j {
*^VRGfpb case TraceLevel.Error:
}E50>g LogEntryType = EventLogEntryType.Error;
h eV=)8 break;
^LoUi1j case TraceLevel.Warning:
6\q]rfQ LogEntryType = EventLogEntryType.Warning;
?fi,ifp*|l break;
]QlwR'&j/n case TraceLevel.Info:
?iWi LogEntryType = EventLogEntryType.Information;
w=T\3(%j break;
P*3BB>FO case TraceLevel.Verbose:
j~[z2tV LogEntryType = EventLogEntryType.SuccessAudit;
|}Nn!Sj>#; break;
3 cK I default:
0tT(W^ho g LogEntryType = EventLogEntryType.SuccessAudit;
:&V h? break;
Dv5D~on{ }
#_^Lb]jkM gc-@"wI? EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
G}b]w~ML~ //写入事件日志
Lh!J > eventLog.WriteEntry(messageText, LogEntryType);
YUtC.TR1 CVL3VT1j0 }
T[UN@^DP( catch {} //忽略任何异常
-"'j7t: }
F%@aB<Nu } //class ApplicationLog
Ku5\] }
,9zjFI #P0&ewy 12.Panel 横向滚动,纵向自动扩展
Whm,F^ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
o$jLzE" uKUiV%p! 13.回车转换成Tab
Y5- F@( <script language="javascript" for="document" event="onkeydown">
$5aV:Z3P if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
z[L8$7L event.keyCode=9;
N"Zt47( </script>
0" $_"'&zQ' onkeydown="if(event.keyCode==13) event.keyCode=9"
7q?,
? FKDk +ojw 14.DataGrid超级连接列
FWrX3i DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
SB H(y) f!Y?S 15.DataGrid行随鼠标变色
5YE'L. private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Jh,]r?Bd {
R3gdLa. if (e.Item.ItemType!=ListItemType.Header)
cUKE {
Hq:X{)" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
qr"3y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
5Ha9lM2gh }
5q3JI }
gmw|H?] Lo{
E:5q 16.模板列
G|!Tj X7s <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
|"ls\ 7 <ITEMTEMPLATE>
qouhuH_WtJ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
%Nlt H/I </ITEMTEMPLATE>
M ?Y;a5{ </ASP:TEMPLATECOLUMN>
n'n/Tu ;K:zmH <ASP:TEMPLATECOLUMN headertext="选中">
bzBEX mC <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4&<oFW\r <ITEMTEMPLATE>
i[7\[ <ASP:CHECKBOX id="chkExport" runat="server" />
^}/PGG\~r </ITEMTEMPLATE>
=Y{(%sn <EDITITEMTEMPLATE>
<\rT%f}3^ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
UZ\u;/} </EDITITEMTEMPLATE>
\A 2r] </ASP:TEMPLATECOLUMN>
K[Y I4pt7 @ym v< Mo 后台代码
QwW&\h[8? protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
y-'$(x {
]7W&JKmA& //改变列的选定,实现全选或全不选。
:~&~y-14 CheckBox chkExport ;
c}lb%^;)E if( CheckAll.Checked)
VA6} {
at#ja_ hd foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?~BC#B\>o {
Gw/Pk4R chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
I0D(F
i chkExport.Checked = true;
eI$oLl@ }
_mqL8ho }
)B"jF>9)[ else
]sf7{lVT {
cLpYW7vZ[
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~7*.6YnI {
6iVxc|Ia chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6M @[B|Q( chkExport.Checked = false;
Ra)3+M!x }
Y2N>HK0 }
Q 3hKk$Y }
I667Gz$j5 \=VtHu92= 17.数字格式化
:C(=&g<]D ^me-[
5 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
vOn`/5- <%#Container.DataItem("price","{0:¥#,##0.00}")%>
kyR:[+je M'?,] an int i=123456;
ZQ4p(6a string s=i.ToString("###,###.00");
%aG5F}S2~ 9vuyv*-}e 18.日期格式化
g/ T
| k&Ck 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[L3=x;U hci6P>h<ia 显示为: 2004-8-11 19:44:28
? &o2st pA'4|ffwe 我只想要:2004-8-11 】
zqim R#u <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
cvn@/qBq*t "%`1]Fr 应该如何改?
dU&a{$ku[ K[I=6 【格式化日期】
d~9A+m3b_ I&D5;8 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,?J! |^&b8 【日期的验证表达式】
?&8^&brwG ],@rS9K A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
C)[,4wt, ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
@E&J_un NW~N}5T B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
so,t ^\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]))$
NO*u9YH? ((YMVe 【大小写转换】
v [wb~uw\ HttpUtility.HtmlEncode(string);
:}He\V HttpUtility.HtmlDecode(string)
9P1OP Xv*p (!ux+K 19.如何设定全局变量
nHM~ :(/~:^! Global.asax中
LdYB7T,
v> LIvi|] Application_Start()事件中
h9t$Uz^N VACQ+ 添加Application[属性名] = xxx;
&|s0P x>**;#7) 就是你的全局变量
|U:k,YH r<9Iof4 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
j@n)kPo,1 k$ 4y9{ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Z+*9#!?J 9g9HlB&Ze 【ASPNETMENU】点击菜单项弹出新窗口
Xpr?Kgz Yxr>"KH6a 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
T:27r8"Rh <?xml version="1.0" encoding="GB2312"?>
OV1_|##LC <MenuData ImagesBaseURL="images/">
0z`a1 %U <MenuGroup>
0!4Ts3qn1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
/Wi[OT14 <MenuGroup ID="BBC">
I:=S0&%) <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
:tz#v`3o <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
*z5.vtfu! ......
.<->C?# 4X!/hI=jq 最好将你的aspnetmenu升级到1.2版
7BE>RE=) ux=w!y;} 21.读取DataGrid控件TextBox值
'j`=if foreach(DataGrid dgi in yourDataGrid.Items)
)1]ZtU {
2i)^!c TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
bg!/%[ {M tb.Text....
P}Gj%4/G }
M,j U}yD3 aZH:#lUlj 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?
W =D4r 216 RiSr* 〖思归〗
TJ2=m9Z <asp:TemplateColumn HeaderText="数量">
{0[tNth'h <ItemTemplate>
y%&q/tk <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
S8kCp; onkeyup="javascript:DoCal()"
bHY=x}Hv />
}fp-pe69z (o 5s"b <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
EuEZ D+ </ItemTemplate>
=rMUov h </asp:TemplateColumn>
i[O& )N,c `fA@hK
<asp:TemplateColumn HeaderText="单价">
^7w+l @ <ItemTemplate>
`{f}3bO7C <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
|-fgj' onkeyup="javascript:DoCal()"
/fKx}}g) />
5[8xV%>; 0.\/\V:H6 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*^\Ef4Lh -z
ID x </ItemTemplate>
A`N, </asp:TemplateColumn>
pI1-cV,` ;dkYf24 <asp:TemplateColumn HeaderText="金额">
T]^62(So <ItemTemplate>
Fe# 1 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
9>=;FY </ItemTemplate>
g&^quZ"H </asp:TemplateColumn><script language="javascript">
+G$4pt|= function DoCal()
>f|||H}Snw {
P9/q|>F var e = event.srcElement;
"SNn^p59k var row = e.parentNode.parentNode;
|'e^QpU5 var txts = row.all.tags("INPUT");
Q{O+ if (!txts.length || txts.length < 3)
l#g\X'bK return;
Z]A{ d[ M-$%Rzl_ var q = txts[txts.length-3].value;
lXx=But var p = txts[txts.length-2].value;
B |5]Jm] kGH }[w if (isNaN(q) || isNaN(p))
s%vis{2 return;
/Y/UM3/ ^+*N%yr q = parseInt(q);
5 )A1\ p = parseFloat(p);
*1ilkmL% >,v`EIg txts[txts.length-1].value = (q * p).toFixed(2);
jSJqE_ 1 }
y|jl[pyg) </script>
[ZNtCnv zKyyU}LHH b10cuy|a/X tl[Uw[ P:hBt\5B 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。
<kfnpB= page_load
({ +!`}GY page.smartNavigation=true
/?wtF4 nyX2|m& 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 ?
OstQqV%@ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
GiJ *Wp {
Ozw.siD for(int i=0;i<e.Item.Cells.Count-1;i++)
I!ED?n if(e.Item.ItemType==ListItemType.EditType)
jkQ*D(;p {
t^UxR@l<K| e.Item.Cells.Attributes.Add("Width", "80px")
ud63f`W]4 }
JL`-0P<M }
z$&{:\hj aKJwofD 26.对话框
L{#IT. private static string ScriptBegin = "<script language=\"JavaScript\">";
%gInje private static string ScriptEnd = "</script>";
/RG:W0=K 2\)xpOj public static void ConfirmMessageBox(string PageTarget,string Content)
=R^%(Py {
O24m;oHM string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
99]R$eT8 kAKK bmE ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
KsddA 'Y?"{HZ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
x/%aM1"X^ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
1]d!~ //Response.Write(strScript);
2my_ ;!6T[ }
EHSlK5bD, Qu"8(Jk/ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%9
SJ
E ]v?@g:iE 1.1 取当前年月日时分秒
Juo^ , currentTime=System.DateTime.Now;
l\f*d6o R%Hi+#/dr- 1.2 取当前年
#^#PPO int 年= DateTime.Now.Year;
4M^=nae bs+f,j-oBN 1.3 取当前月
)i6mzzj5 int 月= DateTime.Now.Month;
!'Ak&j1:` dLH(D: ` 1.4 取当前日
{0r0\D>bw int 日= DateTime.Now.Day;
nz%DM<0$ i)\L:qF5 1.5 取当前时
zlyS}x@p int 时= DateTime.Now.Hour;
K:J3Z5" -<6\1J 1.6 取当前分
-Mip,EO int 分= DateTime.Now.Minute;
j*d
yp N>Xo_-QCY 1.7 取当前秒
65L6:}# int 秒= DateTime.Now.Second;
4"GR]
X y@1+I~@ 1.8 取当前毫秒
a,Sw4yJ!Q int 毫秒= DateTime.Now.Millisecond;
W'els)WJ|x *F WMn. 28.自定义分页代码:
vp1941P (XVw"m/ye 先定义变量 :
=pr`' public static int pageCount; //总页面数
a@8v^G public static int curPageIndex=1; //当前页面
`Nv=B1 w}L]X1#sF 下一页:
Y2|#V# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
3s5z
UT; {
$': E\*ICb DataGrid1.CurrentPageIndex += 1;
ycc4W*] curPageIndex+=1;
}q`ts=dlGt }
+00b)TF UMv.{iEj bind(); // DataGrid1数据绑定函数
wrviR DP[IZC
上一页:
czA5n if(DataGrid1.CurrentPageIndex >0)
a Ve'ry {
N1Ng^aY0 DataGrid1.CurrentPageIndex += 1;
?U%QG5/> curPageIndex-=1;
v>:Ur}u!D }
f<
ia(d >q#rw bind(); // DataGrid1数据绑定函数
F7A=GF' ZLc -RM 直接页面跳转:
q6@Lp^f int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
v5/~-uRL% @_-hk|Nl@ if(a<DataGrid1.PageCount)
$>G8_q {
'g6\CZw(# this.DataGrid1.CurrentPageIndex=a;
tG:25 T0 }
,ly\Ka?zO =FlDb
5t{ bind();
Z|%_&M r~E=4oB7 29.DataGrid使用:
t\?ik6 rT M}})81 添加删除确认:
z[LNf.)} private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Hek*R?M| {
0[A[U_b foreach(DataGridItem di in this.DataGrid1.Items)
t=rEt>n~L {
j -0z5|*KE if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
yu;+o3WlK {
t!* ?dr ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
kv]~'Srk }
Z"Zmo>cV4 }
%huRsQ%} }
+Um( h-; *e<[SZzYZ 样式交替:
G(Lzf( ListItemType itemType = e.Item.ItemType;
o#;b t,QyfN if (itemType == ListItemType.Item )
DD7h^-x {
]}*R| 1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
IW>T}@
| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;t'5},(FP }
, qA(\[ else if( itemType == ListItemType.AlternatingItem)
^.1)};i {
={_C&57N1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
cU
R kP` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0bz'& }
KmMzH`t}` BD68$y 添加一个编号列:
d^Inb!%w DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N<|@ymi DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
kEJj=wx Mxe}B' for(int i=0;i<dt.Rows.Count;i++)
5G::wuxk {
S-P/+K6 dt.Rows["number"]=(i+1).ToString();
e_#._Pi }
5}:-h> 4F)-"ck DataGrid1.DataSource=dt;
.)RzT9sg DataGrid1.DataBind();
vo`2\R.
05z,b]>l DataGrid1中添加一个CheckBox,页面中添加一个全选框
kr+D,h01 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
t'VV>;-RO= {
-!q:p&c foreach(DataGridItem thisitem in DataGrid1.Items)
GU4'&# {
Vc_'hz]Z ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
T~--92[ }
R(('/J C }
Qi^Z11 7"aN#;& 将当前页面中DataGrid1显示的数据全部删除
4\y/'`xm)6 foreach(DataGridItem thisitem in DataGrid1.Items)
RzBF~2 >i {
_XG/Pp) if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
XDsx3Ws {
esHg'8?U string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
0F]>Jby Del (strloginid); //删除函数
)+l\w3^6 }
nKS7Q1+ }
B{|8#jqY o1Ph~|s*8 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)
l H#u |L-]fjBbF 在Application_Start中添加以下代码:
K17j$o^6KK Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
, 0imiv AppSettings["ConnStr"].ToString();
$@"l#vJPfc Y-pzy']4 31. 变量.ToString()
g>Y|9Y UADFnwR[R 字符型转换 转为字符串
IT(lF 12345.ToString("n"); //生成 12,345.00
Rd2qe / 12345.ToString("C"); //生成 ¥12,345.00
iEd\6EZ 12345.ToString("e"); //生成 1.234500e+004
1HXjN~XF 12345.ToString("f4"); //生成 12345.0000
DAS/43\ 12345.ToString("x"); //生成 3039 (16进制)
p=;=w_^y 12345.ToString("p"); //生成 1,234,500.00%
O]lSWEe ~5_Ad\n9 32、变量.Substring(参数1,参数2);
pv*,gSS Y'yH;Mz 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);
DKne'3pH TFH \K{DM 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)
mk1bcK9 <SCRIPT language="javascript">
DSC$i| <!--
Px$/ _`H function gook(pws)
0TCBQ~ " {
{aY%gk?y#> frm.submit();
GKOD/, }
ugo.@
//-->
]+(6,ct&. |rJ=Ksc </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
!+1<E*NQ S <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Du`JaJI <tr>
Q o?O:
<td>
6qRx0"qB <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
H18Tn!RDS <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
d
p2 F <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
.Si,dc\ )Gj8X}DM <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
>SML"+> <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
[K9'<Qnu ABF"~=aL </td>
'ixwD^x )f}YW/' </tr>
$>GgB` ?3%`bY+3; </form>
_9JhL:cY cV 5CaaL 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。
(5R?#vj Qj,]N@7 下面是获取用户输入的登陆信息的代码:
g6Q !8 string name;
7N-w eX name=Request.QueryString["EmailName"];
:,Pn3xl y=`2\L" O try
h!&prYx {
{U!8|( int a=name.IndexOf("@",0,name.Length);
.z
6fv f_user.Value=name.Substring(0,a);
GqWB{$J;" f_domain.Value=name.Substring(a+1,name.Length-(a+1));
2W/?q!t f_pass.Value=Request.QueryString["Psw"];
\]=7!RQ\ }
kB/D!1
" ,=tD8@a< catch
|p><'Q%* {
KHgBo}6 Script.Alert("错误的邮箱!");
@n(Z$)8tR Server.Transfer("index.aspx");
dE:+k/ }