1. 打开新的窗口并传送参数:
~]+
jn 'mR+W{r 传送参数:
j"8N)la response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
izo
$0 )C6 7qY[P 接收参数:
9F!&y- string a = Request.QueryString("id");
~[6|VpGc: string b = Request.QueryString("id1");
|/Z)? p8J"%Jq} 2.为按钮添加对话框
8"^TWzg}L Button1.Attributes.Add("onclick","return confirm(’确认?’)");
H.K`#W& button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
w+P^c| yBKlp08J 3.删除表格选定记录
I ^92b int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
IbwRb string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
- mXr6R? {mGWMv 4.删除表格记录警告
VHNiTp private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
}Cf[nGh|B {
C>ZeG
Vq switch(e.Item.ItemType)
!-~(*tn {
[GM<Wt0 case ListItemType.Item :
^q2zqC case ListItemType.AlternatingItem :
Fowh3go case ListItemType.EditItem:
A[a+,TN{ TableCell myTableCell;
X|G+N(`|( myTableCell = e.Item.Cells[14];
LXl! !i% LinkButton myDeleteButton ;
yK3z3"1M? myDeleteButton = (LinkButton)myTableCell.Controls[0];
[hbIv myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
pQ8+T|0x break;
GrC")Z|3u default:
7C^ nk
z break;
UlytxWkUX }
>^N:A `$- Ib^ }
)FPbE^s( d5hE!= 5.点击表格行链接另一页
s ~G{-)* private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
OK(d& {
W -&5
v //点击表格打开
_Oq\YQb v if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
miqCUbcU e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
;_\P;s }
p60D{UzU V;(LeuDH| 双击表格连接到另一页
#CmBgxg+M pT tX[CE 在itemDataBind事件中
O2f2Fb$B7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
fO nvC* {
;wrgpP3 string OrderItemID =e.item.cells[1].Text;
O1,[7F.4g ...
37Y]sJrs$ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
_#B/#^a }
eH{ 9w8~ 6Tnzg`0I 双击表格打开新一页
9v0|lS!- if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Nig-D>OS {
FeLP!oS> string OrderItemID =e.item.cells[1].Text;
V;jz0B ...
(%}C e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Y2EN!{YU }
4fswx@l ) /'s&
D ★特别注意:【?id=】 处不能为 【?id =】
I"4B1g 6.表格超连接列传递参数
Ip0q&i<6 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.<dmdqk] <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
v!Z 9T Lw`\J|%p 7.表格点击改变颜色
ej+!|97M if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
$!Tw`O {
pJ[Q.QxU e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
J7xmf,76w this.style.color=’buttontext’;this.style.cursor=’default’;");
9K!='u` }
.2xkf@OP -yeT $P&| 写在DataGrid的_ItemDataBound里
"Cb<~Dy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
6tguy {
F04Etf
2k e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
R8l9i2 this.style.color=’buttontext’;this.style.cursor=’default’;");
:F&WlU$L e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&
j43DYw4 }
7}k8-:a% hr5)$qZW 30@ GFaab 8.关于日期格式
^dqEOW 9&cZIP 日期格式设定
[@6iStRg7 DataFormatString="{0:yyyy-MM-dd}"
j$6}r WmA578|l! 我觉得应该在itembound事件中
{Y Ymt!Ic e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
+zsya4r q]x@q 9.获取错误信息并到指定页面
'Nh^SbD+_| bd4q/w4q 不要使用Response.Redirect,而应该使用Server.Transfer
`Nj|}^A Bh?;\D'YC e.g
KXJHb{? // in global.asax
@zbXG_J protected void Application_Error(Object sender, EventArgs e) {
}8HLyK,4 if (Server.GetLastError() is HttpUnhandledException)
AM>:AtY Server.Transfer("MyErrorPage.aspx");
N2>JG]G bb{+ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
4"sP= C }
c'b,=SM D_Y;N3E/rS Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
FWg7e3 Y{KJk'xN5W 10.清空Cookie
Ju<D7 Cookie.Expires=[DateTime];
AN@Vos
Cu Response.Cookies("UserName").Expires = 0
jJ|;Nwm<[ ^ ;a[v^&9 11.自定义异常处理
PO&`rr //自定义异常处理类
:"4~VDu using System;
S4w/
kml3 using System.Diagnostics;
VZ8L9h<{" ,P}c92; namespace MyAppException
a;K:~R+@, {
isjkfl-! /// <summary>
]l%j>Vb!L /// 从系统异常类ApplicationException继承的应用程序异常处理类。
_D~a4tgS /// 自动将异常内容记录到Windows NT/2000的应用程序日志
k{~5pxd-t /// </summary>
Y*Pr public class AppException:System.ApplicationException
8/:\iPk0 {
Q*I/mUP&f public AppException()
"q$M\jK#V {
X_lNnk if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
nB.p}k }
t.cplJF&Ue _3hEYeh public AppException(string message)
mIyaoIE|$ {
F<$&G'% H LogEvent(message);
am}zOr\ }
zy|hf<V >97N
$ public AppException(string message,Exception innerException)
=["GnL*!0 {
[Mi~4b LogEvent(message);
wQ5__"D if (innerException != null)
yC[}gHv {
%9j]N$.V LogEvent(innerException.Message);
Nx99dr }
6
Qmtb2 }
gisZmu0 LE;c+(CAU //日志记录类
qVfOf\x.e using System;
*$QUE0 using System.Configuration;
yZ`\.GgC^& using System.Diagnostics;
(~jOtUyT using System.IO;
WI%,m~ using System.Text;
_/Hu'9432 using System.Threading;
-a3C3!! N$?q Aek namespace MyEventLog
yxH[uJpb {
C
RNO4 /// <summary>
FQ5# v{ /// 事件日志记录类,提供事件日志记录支持
%]-tA,u /// <remarks>
t?\osPL /// 定义了4个日志记录方法 (error, warning, info, trace)
R$q:Ct /// </remarks>
m*1=-"P /// </summary>
R&?p^!`% public class ApplicationLog
C<3An_Dy {
'
{Q L`L /// <summary>
^#nAS2w7U /// 将错误信息记录到Win2000/NT事件日志中
j'Fni4; /// <param name="message">需要记录的文本信息</param>
'G&w[8mqY /// </summary>
K&/W cuP& public static void WriteError(String message)
b{A#P? {
=#W6+=YN8 WriteLog(TraceLevel.Error, message);
v"j7},P@ }
L(.5:&Y=` k20tn
ew /// <summary>
G]{)yZ'} /// 将警告信息记录到Win2000/NT事件日志中
y0xte& /// <param name="message">需要记录的文本信息</param>
>">-4L17m /// </summary>
'`S,d[~ public static void WriteWarning(String message)
^Oo%`(D? {
r;-\z(h WriteLog(TraceLevel.Warning, message);
=vR>KE }
kp[Jl0K5 oZQu&O' /// <summary>
#}.db?[Rv /// 将提示信息记录到Win2000/NT事件日志中
dP82bk/e /// <param name="message">需要记录的文本信息</param>
)/UkJ/}j /// </summary>
0VPa=AW public static void WriteInfo(String message)
d2pVO]l YZ {
]c08` WriteLog(TraceLevel.Info, message);
zJPzI{-w| }
\QVL%,.%M /// <summary>
T!8,R{V]4 /// 将跟踪信息记录到Win2000/NT事件日志中
*cf#:5Nl /// <param name="message">需要记录的文本信息</param>
z;T?2~g! /// </summary>
~MOIrF public static void WriteTrace(String message)
HM`;%0T0( {
[l0>pHl@ WriteLog(TraceLevel.Verbose, message);
FbF P }
YQ]W<0( yJ?6B LJi /// <summary>
=m UtBD.; /// 格式化记录到事件日志的文本信息格式
-Wf 2m6t /// <param name="ex">需要格式化的异常对象</param>
$. Ih- /// <param name="catchInfo">异常信息标题字符串.</param>
LBTf}T\ /// <retvalue>
%5'6^bT /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
&4LrV+`$V /// </retvalue>
W 5-=,t /// </summary>
?e0ljx; public static String FormatException(Exception ex, String catchInfo)
YH@^6Be9 {
ol-U%J StringBuilder strBuilder = new StringBuilder();
<d8Yk>R if (catchInfo != String.Empty)
QN":Qk(,q {
b}WU strBuilder.Append(catchInfo).Append("\r\n");
t~3!| @3i }
>o.4sN@ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
jx J5F3d return strBuilder.ToString();
U 1vZr{\ }
;tlvf?0! idEhxvAo /// <summary>
#mFIZMTRd /// 实际事件日志写入方法
9J*.'Y /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
^8OK.iC /// <param name="messageText">要记录的文本.</param>
Dc2H<=]; /// </summary>
N:_.z~>% private static void WriteLog(TraceLevel level, String messageText)
y2KR^/LN|Y {
;ry~x:7L7 try
0.+MlyA {
I|(r1.[K EventLogEntryType LogEntryType;
}"Clv/3_ switch (level)
~6DaM! {
4}`z^P<C case TraceLevel.Error:
VX0}x+LJ LogEntryType = EventLogEntryType.Error;
g=n{G@ *N break;
fS?}(7 case TraceLevel.Warning:
BlnR{Y LogEntryType = EventLogEntryType.Warning;
kntYj}F( break;
Ir#]p9:x case TraceLevel.Info:
VYbH:4K@% LogEntryType = EventLogEntryType.Information;
Q`kV|
pjg break;
a`I
\19p] case TraceLevel.Verbose:
jl9hFubwW LogEntryType = EventLogEntryType.SuccessAudit;
o, PpD,, break;
x n?$@ default:
F/V-@SF LogEntryType = EventLogEntryType.SuccessAudit;
R"W5R- break;
tTOBKA89 }
HA$Xg
j 5\V""fH EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
ncrg`<'/, //写入事件日志
"%lIB{ eventLog.WriteEntry(messageText, LogEntryType);
L>L IN 1A PzOnS }
8yk7d76Y catch {} //忽略任何异常
.+A)^A }
_iu~vU)r } //class ApplicationLog
P?p]sLrP }
+-C.E #N"m[$;QR 12.Panel 横向滚动,纵向自动扩展
4M#i_.`z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
JkhW LQ>o i-PK59VZ8f 13.回车转换成Tab
k3K*{"z <script language="javascript" for="document" event="onkeydown">
4C/G &w& if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
`Fie'[F5,) event.keyCode=9;
{n|ah{_p| </script>
n]df)a D&i\dgbK onkeydown="if(event.keyCode==13) event.keyCode=9"
LaO8)lqR )X?oBNsj 14.DataGrid超级连接列
7HkFDI()1 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
/jNvHo^B ugN t7P,^ 15.DataGrid行随鼠标变色
6@TU9AZS` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
,`JYFh M {
"MU-&** if (e.Item.ItemType!=ListItemType.Header)
f`:GjA,J$ {
(>vyWd] e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
)by7[I0v e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
HdN5zl,q }
1~ W@[D
}
Lo3N)~5 eT+i& 16.模板列
Xf_#O'z <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
23P&n(. <ITEMTEMPLATE>
5CZyA`3V^5 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
f[1cN`|z </ITEMTEMPLATE>
x(._?5 </ASP:TEMPLATECOLUMN>
Ly&+m+Gwu kN.;;HFq# <ASP:TEMPLATECOLUMN headertext="选中">
qmFG <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
PQDLbSe)\ <ITEMTEMPLATE>
._^}M<o L <ASP:CHECKBOX id="chkExport" runat="server" />
RI@\cJ\} </ITEMTEMPLATE>
+9w[/n ^,G <EDITITEMTEMPLATE>
^#d\HI <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
BbI%tmA7 </EDITITEMTEMPLATE>
Hl`OT5pNf </ASP:TEMPLATECOLUMN>
HD^#" `wXK&R<` 后台代码
:ZM9lBY h protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
.26mB
Xr {
pASX-rb //改变列的选定,实现全选或全不选。
&1$d`>fn CheckBox chkExport ;
X>8,C^~$1 if( CheckAll.Checked)
>x{("``D0y {
Jqj!k*=/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\IE![=p\w {
"iA0hA chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#73pryXV chkExport.Checked = true;
#B;P4n3 }
=p8uP5H }
"E(i< else
!?nbB2, {
TI'v /=;) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
SXk.7bMV6 {
3[ xdls chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~Q&J\'GQH chkExport.Checked = false;
LqbI/AQ) }
{V6&((E8 }
a_RY Yj }
?H=q!i 4.!1odKp 17.数字格式化
=]%JTGdp( ; ~pgF_ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
e9o\qEm <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^ Oh e$Ksn_wEq int i=123456;
6kYluV+j string s=i.ToString("###,###.00");
,^:{!?v +>"s)R43 18.日期格式化
./#YUIC +<a\0FsD 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
"'U^8NA2 B*Tn@t W 显示为: 2004-8-11 19:44:28
{ ADd[V +V4)>< 我只想要:2004-8-11 】
0k
(- <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
<tD,Uu{P [E1qv; 应该如何改?
}u_D{ bz w"j>^#8 【格式化日期】
9{u= `D4Wg<,9 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
E_
wVAz3 MTu\T 【日期的验证表达式】
?()*"+N(ck QP(0 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(!*
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})))?$
OG5{oH#K ciblj?"Wi B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Bgxk>Y ^\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]))$
ZC?~RXL( jZA1fV 【大小写转换】
&;DCN HttpUtility.HtmlEncode(string);
Z)7{~xq HttpUtility.HtmlDecode(string)
eC-&.Fl %g9ym@s 19.如何设定全局变量
%Psg53N 1aAOT6h Global.asax中
}F>RIjj Ca~8cQ Application_Start()事件中
Y/sav; evyjHc Cx 添加Application[属性名] = xxx;
o@)Fy51DD =Zj
7dn;EN 就是你的全局变量
jwI2T$ P.Ntjz/B 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
zK6w0 2 5~Z%_? HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
mnA_$W3~I y6$a:6 【ASPNETMENU】点击菜单项弹出新窗口
E-WpsNJ)X bc(MN8b ]j 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
#6M |T+= <?xml version="1.0" encoding="GB2312"?>
Fg`<uW]TFZ <MenuData ImagesBaseURL="images/">
ja9u?UbW <MenuGroup>
Yi9Y`~J <MenuItem Label="内参信息" URL="Infomation.aspx" >
0Z2XVq~T$ <MenuGroup ID="BBC">
;Rv WF ) <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
KH2]:&6:Q <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
;pm/nu ......
#x.v)S +
E{[j 最好将你的aspnetmenu升级到1.2版
r5gqRh}+ \`y:#N<c 21.读取DataGrid控件TextBox值
?l~qb]._ foreach(DataGrid dgi in yourDataGrid.Items)
\:@6(e Bh {
]a IHd]B TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Jj)J5S / tb.Text....
,~3rY,y- }
`% \CO` +s<6eHpm 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?
+X#6dv$ 5@RcAQb: 〖思归〗
f%PLR9Nh5@ <asp:TemplateColumn HeaderText="数量">
3^P;mQ$p1 <ItemTemplate>
!n;3jAl&$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
f@`|2wG onkeyup="javascript:DoCal()"
bGwOhd<. />
qUfoEpW2=6 jUD^]Qs <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
g(zeOS]q} </ItemTemplate>
0to`=;JI </asp:TemplateColumn>
E q4tcZ B.=n U <asp:TemplateColumn HeaderText="单价">
:^W}$7$T <ItemTemplate>
ktPM66`b <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
;o'>`=Y onkeyup="javascript:DoCal()"
p9jC-&: />
.,6o): }8AH/ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
FI: H/e5[ 6&]Z'nW0k </ItemTemplate>
t;Z9p7rk </asp:TemplateColumn>
Jqzw94 HPu+ 4xQV <asp:TemplateColumn HeaderText="金额">
lV:feX <ItemTemplate>
/t`|3Mw <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
|11vm# </ItemTemplate>
iOfO+3'Z_U </asp:TemplateColumn><script language="javascript">
;07$ G+[' function DoCal()
#yIHr&'oX {
xtCMK1#
x var e = event.srcElement;
.h4NG4FIF var row = e.parentNode.parentNode;
@H$8;CRM var txts = row.all.tags("INPUT");
Z79 6;qk if (!txts.length || txts.length < 3)
dn}EM7:Z return;
Ge({sy>X v6DjNyg<x var q = txts[txts.length-3].value;
|%5pzYe var p = txts[txts.length-2].value;
OmkJP q{G8Po$z' if (isNaN(q) || isNaN(p))
fJ\?+, return;
p&$PsgR @C^x&Sjm q = parseInt(q);
$,O8SW.O$ p = parseFloat(p);
`%~}p7Zu 5nBJj txts[txts.length-1].value = (q * p).toFixed(2);
-rYb{<;ST }
Uc_}=" </script>
uv-O`) )H]L/n sqpo5~ D^h!
].3
T \15'~]d 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。
|5`ecjb. page_load
&?Erkc~# page.smartNavigation=true
.7
)oWd! @D*PO-s9 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 ?
"oiN8#Hf private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
&n8Ja@Y] {
wT19m for(int i=0;i<e.Item.Cells.Count-1;i++)
*w.":\P] if(e.Item.ItemType==ListItemType.EditType)
ceJ#>Rj {
Jlb{1B$7 e.Item.Cells.Attributes.Add("Width", "80px")
6/3E!8 }
6wu`;> }
Q|+ a
e(0cz6 26.对话框
#>KiX84 private static string ScriptBegin = "<script language=\"JavaScript\">";
*-fd$l. private static string ScriptEnd = "</script>";
l="X|t zJ(DO>,p& public static void ConfirmMessageBox(string PageTarget,string Content)
Oq% TW|a# {
^Os }sJ*5S string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{T^D&i# o T=~d.&J ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
FXY>o>K%h oL R/\Y( Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Iv3yDL; ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
h#}w18l //Response.Write(strScript);
$Yu'B_E6p }
qHgtd+
I toDi70o 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
JAjiG^] Q\IViM 1.1 取当前年月日时分秒
IQC[ewk currentTime=System.DateTime.Now;
'l!\2Wv2 aj|PyX3P: 1.2 取当前年
@$5~`? int 年= DateTime.Now.Year;
h*JN0O<b xc@$z*w 1.3 取当前月
A)!W VT&2A int 月= DateTime.Now.Month;
i"
u|119 \hI?XnL# 1.4 取当前日
>oyf i: int 日= DateTime.Now.Day;
ami>Pp F[O147&C 1.5 取当前时
eLh35tw int 时= DateTime.Now.Hour;
z}-R^"40 `EMGrw_ 1.6 取当前分
?&,6Y'" int 分= DateTime.Now.Minute;
`Nvhp]E t1
9f%d 1.7 取当前秒
&@{`{ int 秒= DateTime.Now.Second;
i83Jy w,f !<j4*av:G 1.8 取当前毫秒
ziO(`"v int 毫秒= DateTime.Now.Millisecond;
OOIp)=4 :+QNN< 28.自定义分页代码:
0Qeda@J B [YyA 先定义变量 :
WwnBe"7M public static int pageCount; //总页面数
hmLI9TUe6 public static int curPageIndex=1; //当前页面
v+sF0
j\P q3/4l%"X 下一页:
":/Vp,g if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
@##}zku {
}0H<G0 DataGrid1.CurrentPageIndex += 1;
6.45^'t] curPageIndex+=1;
\,p?pL<' }
q0>9T GadY#]}( bind(); // DataGrid1数据绑定函数
`hG`}G|^ $$4flfx 上一页:
ZT/f if(DataGrid1.CurrentPageIndex >0)
d@*dbECG {
W6EEC<$JL DataGrid1.CurrentPageIndex += 1;
Dn#5H{D-d curPageIndex-=1;
s2N'Ip }
'#j6ZC/? / M]P&Zb | bind(); // DataGrid1数据绑定函数
=|$U`~YB (kK8
Ox fF 直接页面跳转:
r?0w5I int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
k"BM1-f Edh9=sxL if(a<DataGrid1.PageCount)
$ <[r3 {
u|ihUE!h this.DataGrid1.CurrentPageIndex=a;
UDcr5u eKn }
H)*%e G~ AoxORPp' bind();
w\Q(wH' '5T:*Yh 29.DataGrid使用:
zKYN5|17 'S
v
V10$5 添加删除确认:
T DPQ+Kg_ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1dp8'f5^ {
l!j=em@ foreach(DataGridItem di in this.DataGrid1.Items)
+['1~5 {
$'*{&/@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
.bh7 {
NgxJz
]b ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
)r*F.m{&: }
)&)tX. }
6_9@s*=d> }
a)+*Gf7? 5wvh
@Sc\ 样式交替:
fx^yC.$2 ListItemType itemType = e.Item.ItemType;
^q}phj3E efbJ2C if (itemType == ListItemType.Item )
K"Irg. {
ESS1 L$y e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
fE>JoQs38 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6k37RpgH }
j{ri]?p else if( itemType == ListItemType.AlternatingItem)
O+Db#FW {
_t X1z^ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
-gb@BIV# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
RM25]hx }
-7I%^u a63Ud<_a7 添加一个编号列:
8)f/H&)>8 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
`Z2-<:]6&a DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
lj*=bK QT"o"B for(int i=0;i<dt.Rows.Count;i++)
IJZx$8&A {
W>u$x=<T dt.Rows["number"]=(i+1).ToString();
b|.<rV'BTt }
?Bd6<F-G W=K+kB DataGrid1.DataSource=dt;
>+[{m<Eq DataGrid1.DataBind();
1HRcEzA Oj7).U0;# DataGrid1中添加一个CheckBox,页面中添加一个全选框
KM
oDcAjH private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
<Um 5w1 {
#6 $WuIG foreach(DataGridItem thisitem in DataGrid1.Items)
)Y=ti~?M( {
gYw=Z_z ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
X'7MW?
q@ }
pvM`j86 _ }
*.-qbwOg ;'4Kg@/ 将当前页面中DataGrid1显示的数据全部删除
ZP4y35&%y foreach(DataGridItem thisitem in DataGrid1.Items)
5pxw[c53# {
l]5!$N* if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
:rN5HOg^9 {
iB{l: string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
T FK#ign Del (strloginid); //删除函数
~H626vT37 }
<d3a }
K=J">^uW g+ cH 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)
h]^=
y.Q ?Aky!43 在Application_Start中添加以下代码:
S\A9r!2 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$w! v AppSettings["ConnStr"].ToString();
IU rGJ#}O Y:5Gp8Vi 31. 变量.ToString()
n'<F'1SWv FzQ6UO~' 字符型转换 转为字符串
&jF[f4:7 12345.ToString("n"); //生成 12,345.00
' n "n; 12345.ToString("C"); //生成 ¥12,345.00
m/1;os5+8 12345.ToString("e"); //生成 1.234500e+004
!u%XvxJwDb 12345.ToString("f4"); //生成 12345.0000
A}0u-W 12345.ToString("x"); //生成 3039 (16进制)
(L7%V ! 12345.ToString("p"); //生成 1,234,500.00%
BGL-lJrG RjG=RfB'V 32、变量.Substring(参数1,参数2);
ZTi KU) x`zE#sD 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Jnq}SUev [kPF J f 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
xayd_RB 9 <SCRIPT language="javascript">
h[j(@P <!--
t;)`+K#1: function gook(pws)
,Zs*07!$f {
43o!Vr/S frm.submit();
N/eFwv.Er }
@"BkLF //-->
Gbc2\A\ !wEz=
i </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
C_V5.6T! <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
](sT,' <tr>
P#ot$@1v <td>
HT=-mwa_] <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
&s_)|K <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
'645Fr[lg <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
5s=L5]]r_j g7<u eF <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
=F90SyzTy <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
jV|/ C dp#'~[ j </td>
?<eH!MHF ">"B </tr>
v[=TPfX0 )w&k&TY4H </form>
w2o5+G= s
N|7 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
zFeo8S !d3:`l< 下面是获取用户输入的登陆信息的代码:
Qwu~{tf+' string name;
_q 1E4z name=Request.QueryString["EmailName"];
y?yWM8 |GnqfD try
W>(p4m {
.z&,d&E int a=name.IndexOf("@",0,name.Length);
O2C&XeB:4 f_user.Value=name.Substring(0,a);
,)7y?*D} f_domain.Value=name.Substring(a+1,name.Length-(a+1));
LKe~ f_pass.Value=Request.QueryString["Psw"];
v* /}s :a }
f%5 s8) )-_To&S* catch
W<s5rM x {
x4nmDEpa Script.Alert("错误的邮箱!");
Hlye:.$ Server.Transfer("index.aspx");
]9/{ }