1. 打开新的窗口并传送参数:
#3VOC#. VrQgn9L 传送参数:
K Eda6zZH response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
I:|<};mm Fw{:fFZC[ 接收参数:
h@kq>no string a = Request.QueryString("id");
Fh8 8DDJ string b = Request.QueryString("id1");
UTWchh Tumv0=q4wd 2.为按钮添加对话框
]S Button1.Attributes.Add("onclick","return confirm(’确认?’)");
gm^j8B button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]u5B]ZQnA *s JT\J$D[ 3.删除表格选定记录
gWk?g^KJL int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
0Y>5& string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
pseN!7+or Fal##6B 4.删除表格记录警告
EKgY private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
r!+..c {
QT8GP?F switch(e.Item.ItemType)
C4[) yJ {
c/6 case ListItemType.Item :
X&LaAqlSG case ListItemType.AlternatingItem :
<6.aSOS case ListItemType.EditItem:
7y?aw`Sw: TableCell myTableCell;
|lDxk[ myTableCell = e.Item.Cells[14];
b#%$y LinkButton myDeleteButton ;
-s3q(SH myDeleteButton = (LinkButton)myTableCell.Controls[0];
Wg5<@=x!G myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
{<}9r6k;f break;
#Vy8<Vy&w default:
omP\qOc break;
@1w[~QlV }
z@<OR$/`L u+7S/9q8 }
Vb @lK~ G-6k[-@-v 5.点击表格行链接另一页
1G'D' private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
IgIM8"N {
.IU\wN //点击表格打开
OH
>#f6`[ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Iwx~kvz\_( e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
wo+b": }
F G:t2ea yR3pK
0Y(? 双击表格连接到另一页
mOC<a7# (- D^_*f 在itemDataBind事件中
F$sDmk# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
$xU)t&Df {
En9>onJ string OrderItemID =e.item.cells[1].Text;
XN^l*Q?3n ...
\Ota~A e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
sRI0; }
^7Rc\ >d3`\(v- 双击表格打开新一页
WR"?j9y_q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ey]WoUZ {
]*Cq'<h$ string OrderItemID =e.item.cells[1].Text;
[C#H _y( ...
nYnBWDnV e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
L`"j>), }
gs"w
0[$ g-~]^ $
★特别注意:【?id=】 处不能为 【?id =】
aGAeRF 6.表格超连接列传递参数
["_+~* <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
I~ 1Rt+: <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
m9=93W?
Pihpo 7.表格点击改变颜色
J# DN2y< if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)Drif\FF) {
+;ylld e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#|"M this.style.color=’buttontext’;this.style.cursor=’default’;");
(zX75QSKV }
*!.anbo@?z 8|{d1dy 写在DataGrid的_ItemDataBound里
ri/CLq^D if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dw>1Ut{"3 {
P:>]a$Is e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
5S*aZ1t18 this.style.color=’buttontext’;this.style.cursor=’default’;");
5m
yQBKE e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
MW2{w<-]7 }
`F$lO2 #k BR-4L2[ udOdXz6K? 8.关于日期格式
7O-fc1OTv P~*'/!@ 日期格式设定
a$5P\_ DataFormatString="{0:yyyy-MM-dd}"
x#XxD<y G ?Hx"3:? 我觉得应该在itembound事件中
&Nw[J5-"k e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
+O)Y7k{?C5 ?="?)t[ 9.获取错误信息并到指定页面
ZY|$[>X! W)<t7q+ 不要使用Response.Redirect,而应该使用Server.Transfer
$-p9cyk ? _7iL? e.g
&;naaV_2T // in global.asax
TT oW>RP# protected void Application_Error(Object sender, EventArgs e) {
%i.Prckrb if (Server.GetLastError() is HttpUnhandledException)
fZp3g%u Server.Transfer("MyErrorPage.aspx");
|s,y/svp R2A#2{+H //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
X4<Y5?&0 }
{TZV^gT4 DB+oCE<.# 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
bao"iv~z FeNNzV= 10.清空Cookie
w$Z%RF'p Cookie.Expires=[DateTime];
e^}@X[*'# Response.Cookies("UserName").Expires = 0
qP$)V3l _fccZf(yC. 11.自定义异常处理
j[A:So //自定义异常处理类
[:zP]l.| using System;
^'n;W<\p) using System.Diagnostics;
Q*hXFayx "Hk7s+% namespace MyAppException
SZUo RWx {
/E!N:g< /// <summary>
7h.fT` /// 从系统异常类ApplicationException继承的应用程序异常处理类。
J@OK"%12 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
D\| U_> /// </summary>
v_Hy:O}R public class AppException:System.ApplicationException
*c>B-Fo/D {
0YC|;`J public AppException()
6 rWb2b {
'6cXCO-_P if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
&xpvHKJl }
,n2"N5{jw "A> _U<Y public AppException(string message)
\
B'AXv6 {
G+&pq LogEvent(message);
e$Mvl=NYp\ }
Z]w?RL qLPuKIF public AppException(string message,Exception innerException)
V%B~ q`4 {
-Iis/Xw: LogEvent(message);
TPs
]n7]: if (innerException != null)
^H -a@QM {
^#XQ2UN LogEvent(innerException.Message);
G^';9 UK }
\XO'7bNu- }
}>EWFE` 4bcd=a; //日志记录类
qi
">AQpp using System;
W4bN']? using System.Configuration;
7X)4ec9H\ using System.Diagnostics;
"jLC!h^N using System.IO;
8 C9ny} using System.Text;
fwiP3*j+Nn using System.Threading;
}KO <II ?\)h2oi!F5 namespace MyEventLog
$fBj}\o {
2m"cK^ /// <summary>
-L<FVB /// 事件日志记录类,提供事件日志记录支持
uQ&> Wk /// <remarks>
zkiwFEHA= /// 定义了4个日志记录方法 (error, warning, info, trace)
'tDUPm38 /// </remarks>
4*D"*kR; /// </summary>
-w>ss& public class ApplicationLog
5^R?+<rd {
X7[gfKGL)N /// <summary>
J7qTE8 W= /// 将错误信息记录到Win2000/NT事件日志中
pTB7k3g /// <param name="message">需要记录的文本信息</param>
t-5Y,}j /// </summary>
k]^ya?O]p public static void WriteError(String message)
oh@Ha? {
!.-u'6e
WriteLog(TraceLevel.Error, message);
0qIg:+l+ }
CxNxb)c & pp@B]We /// <summary>
Ni%@bU $ /// 将警告信息记录到Win2000/NT事件日志中
@SyL1yFX /// <param name="message">需要记录的文本信息</param>
7xQ:[P!G+ /// </summary>
\*Yr&Lm public static void WriteWarning(String message)
N!MDD?0 {
1/~=61msc WriteLog(TraceLevel.Warning, message);
L`e19I$ }
:5.F V#5$J Xp /// <summary>
/[D_9 /// 将提示信息记录到Win2000/NT事件日志中
U82mO+} /// <param name="message">需要记录的文本信息</param>
J3(E{w8Q /// </summary>
4 R(m$!E! public static void WriteInfo(String message)
H Tv#2WX {
QxN1N^a0 WriteLog(TraceLevel.Info, message);
qE|syA9 }
.ANR|G /// <summary>
hSR+7qN<e /// 将跟踪信息记录到Win2000/NT事件日志中
c/ih%xR /// <param name="message">需要记录的文本信息</param>
h5pfmN\-5 /// </summary>
rmo\UCD public static void WriteTrace(String message)
dGi
HO {
5&h">_j WriteLog(TraceLevel.Verbose, message);
N>,`TsUwW }
"DA%vdu Yb4ku7} /// <summary>
kY!zBk /// 格式化记录到事件日志的文本信息格式
W&:0J /// <param name="ex">需要格式化的异常对象</param>
F>3 o0ke} /// <param name="catchInfo">异常信息标题字符串.</param>
k& +gkJm /// <retvalue>
_ziSH 3( /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
.c~z^6x /// </retvalue>
8e3eQ /// </summary>
aidQ,(PDj public static String FormatException(Exception ex, String catchInfo)
AS@(]T#R {
2%L`b"9}V StringBuilder strBuilder = new StringBuilder();
\D(3~y> if (catchInfo != String.Empty)
ajtH1Z# {
zTjie strBuilder.Append(catchInfo).Append("\r\n");
q\x.e.@ }
Rw%?@X3m] strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
l_yF;5|?z return strBuilder.ToString();
;>f\fhi' }
3l45(%g+ >*VvV/UU /// <summary>
Eu:/U*j /// 实际事件日志写入方法
C}pm>(F~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
<R;wa@a> /// <param name="messageText">要记录的文本.</param>
_^NaP /// </summary>
6%ofS8[ private static void WriteLog(TraceLevel level, String messageText)
$Seh4 {
@+H0D" try
l
EzN {
z fv@<' EventLogEntryType LogEntryType;
H@Ot77(* switch (level)
fn=A_
i {
,LN^Zx* case TraceLevel.Error:
VQ|{Q} LogEntryType = EventLogEntryType.Error;
%),u0:go break;
;nP(S`' case TraceLevel.Warning:
5cinI^x)f LogEntryType = EventLogEntryType.Warning;
MTZCI} break;
Z#-N$%^F case TraceLevel.Info:
kx?Yin8K LogEntryType = EventLogEntryType.Information;
MO0NNVVi%U break;
Y`(Ri-U4 case TraceLevel.Verbose:
u*;H$& LogEntryType = EventLogEntryType.SuccessAudit;
iiMS3ueF break;
)=d)j^t9 default:
7xv9v1[' LogEntryType = EventLogEntryType.SuccessAudit;
jhQoBC>: break;
=>`zk^ }
'JJKnE zQ NRJp8G Z%U EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
DE?k|Get2 //写入事件日志
Qd
kus214 eventLog.WriteEntry(messageText, LogEntryType);
QfAmGDaYQ _^#eO`4" }
+cqUp6x. catch {} //忽略任何异常
xh$yXP0/ }
wCg7JW# } //class ApplicationLog
$ %MgIy }
a-Y6ghs Ca5#'3Eh 12.Panel 横向滚动,纵向自动扩展
Se'SDJl= <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
?x&}ammid jIT|Kk&] 13.回车转换成Tab
qe{;EH* <script language="javascript" for="document" event="onkeydown">
8IRKCuV if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
n|&=6hiI event.keyCode=9;
X5[vQ3^ </script>
anbw\yh8 \f?
K74 onkeydown="if(event.keyCode==13) event.keyCode=9"
`|?<KF164 <I34@;R c 14.DataGrid超级连接列
[B;okW DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
t-KicLr
_$c o Y 15.DataGrid行随鼠标变色
.,xyE--;d private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3kC|y[.& {
x4c|/}\)*
if (e.Item.ItemType!=ListItemType.Header)
aYT!xdCI {
~LpkA`Hn! e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\DS*G7.A+& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
g:)iEw>a }
LX7P?j }
|~
fI=1;;x qS@3:R 16.模板列
tm.60udbo <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
{{Ox%Zm <ITEMTEMPLATE>
mu{C>w_Rz <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
(~N?kh: </ITEMTEMPLATE>
S,6/X.QBv </ASP:TEMPLATECOLUMN>
#J&3Zds 5tpC$4m <ASP:TEMPLATECOLUMN headertext="选中">
2I_ yUt- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
n'V{ <ITEMTEMPLATE>
zhs@YMY <ASP:CHECKBOX id="chkExport" runat="server" />
\^"Vqx </ITEMTEMPLATE>
F<g&t|@ <EDITITEMTEMPLATE>
6c-3+,Y"# <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
?[zw5fUDS </EDITITEMTEMPLATE>
s0;a j<J </ASP:TEMPLATECOLUMN>
InbB2l4G UzaAL9k 后台代码
TU^ZvAO& protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
l 1k&@1" {
tUxH6IS //改变列的选定,实现全选或全不选。
9gw;MFP)D CheckBox chkExport ;
z+Fu{<#( if( CheckAll.Checked)
eZ(ThA*2=t {
Gm:s;w-;v foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
l $\2|D {
sk3 9[9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
A/2$~4, chkExport.Checked = true;
-#9et30 }
=YgH-{ }
9h\RXVk{tA else
Jk>vn+q8P^ {
T.;{f{ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ao9#E"BfM {
mN]WjfII chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;UTM9.o[ chkExport.Checked = false;
Q&r.wV| }
-fFtHw:kHh }
#%nV\ Bl }
T,9q~*" S!u8JG1 17.数字格式化
6WZffB{-TK -V6caVlg 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
[%bGs1U <%#Container.DataItem("price","{0:¥#,##0.00}")%>
OgIRI8L GD.Ss9_h1 int i=123456;
}Mt)57rU string s=i.ToString("###,###.00");
0)d='3S _LwF:19Il 18.日期格式化
\;~Nj# LEPLoF3, 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
*4%pXm; EOu[X'gLr 显示为: 2004-8-11 19:44:28
) dk|S\ 9!X3Cv|+L 我只想要:2004-8-11 】
uOzoE_i <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
bI:W4y>I= 5e,u*J] 应该如何改?
|3e+ K. l%_K$$C 【格式化日期】
K:'^f? P 85G-`T 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
(+(@P*c1 ?ld&}|W~ 【日期的验证表达式】
YT+b{ a_P|KRl A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
>"!ScYn ^((\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})))?$
;]grbqXVE 41Q5%2
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$L0sBW& ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
YdO*5Gb6 H5Eso*v@ 【大小写转换】
5xdeuBEY8 HttpUtility.HtmlEncode(string);
\O "`o4 HttpUtility.HtmlDecode(string)
kH hp;< RVm-0[m} 19.如何设定全局变量
o 7kg.w| #&kj> Global.asax中
/J-'[Mc'D[ xkRMg2X.>9 Application_Start()事件中
M#o.O?.` ]P wS3:x 添加Application[属性名] = xxx;
xgcJEox! xSD*e 0
就是你的全局变量
C `_/aR6 lj}3TbM 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
M]6+s`?r Ph""[0n%o HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
CBf[$[e x @q.u3o9 【ASPNETMENU】点击菜单项弹出新窗口
@;OsHudd $]_SPu 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
fdKE1,; <?xml version="1.0" encoding="GB2312"?>
ZcjLv <MenuData ImagesBaseURL="images/">
kll!tT-N- <MenuGroup>
/gF)msUF <MenuItem Label="内参信息" URL="Infomation.aspx" >
(K=0c6M3= <MenuGroup ID="BBC">
WeRDaG <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
6k;5T <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Ty&1R? ......
8%B_nVc I ==)a6^ 最好将你的aspnetmenu升级到1.2版
5&Yt=)c\ h# 4n 21.读取DataGrid控件TextBox值
2{=D)aC$f foreach(DataGrid dgi in yourDataGrid.Items)
id9QfJ9t {
7<]&pSt= TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
`{{6vb^g tb.Text....
.q
MxShUU }
HI|egf@ n~yHt/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?
3@x[M?$ H6`k%O* 〖思归〗
z8a{M$-Q <asp:TemplateColumn HeaderText="数量">
6w &<j&V <ItemTemplate>
1(Vv-bq$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
?9{^gW4| onkeyup="javascript:DoCal()"
l[[`-f8j />
o`Z3} ZVH 9je <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
kIS )*_ </ItemTemplate>
E8kD#tL </asp:TemplateColumn>
Td|,3
n #\X)|p2 <asp:TemplateColumn HeaderText="单价">
W gyRK2#! <ItemTemplate>
Pq+|*Y<|& <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
JzN "o' onkeyup="javascript:DoCal()"
-'miM ~kG[ />
>(H:eRKq hb*Y-$Zp <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
83vZRQw hd'QMr[; </ItemTemplate>
b~fl,(sZp </asp:TemplateColumn>
fsOlg9 a7_Q8iMe <asp:TemplateColumn HeaderText="金额">
K3:z5j.X <ItemTemplate>
3"Oipt+ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
>)Qq^?U </ItemTemplate>
z@IG"D </asp:TemplateColumn><script language="javascript">
zZ-/S~l function DoCal()
^3sv2wh^|8 {
RvA "ug.* var e = event.srcElement;
m
%+'St|qr var row = e.parentNode.parentNode;
][Tw^r& var txts = row.all.tags("INPUT");
E^n!h06~G if (!txts.length || txts.length < 3)
@dK_w'W return;
lW-G]V A
,0}bFK var q = txts[txts.length-3].value;
%6fnL~A var p = txts[txts.length-2].value;
Nz{qu}dt &0T7Uv-` if (isNaN(q) || isNaN(p))
v,Kum<oi? return;
kPy7e~ *fi`DiO q = parseInt(q);
,.{M1D6'R` p = parseFloat(p);
pR0!bgC g0jfLv txts[txts.length-1].value = (q * p).toFixed(2);
hH>a{7V }
4Kj8i </script>
fGj66rMGw L8.A| F',1R"/} !4^Lv{1QZ Fi+DG?zu 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
G$*=9` page_load
jm&[8ApW page.smartNavigation=true
of7'?]w &Pv$nMB$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 ?
^K[xVB(& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]Y?ZUSCJ {
nY;Sk#9 for(int i=0;i<e.Item.Cells.Count-1;i++)
5<GeAW8ns] if(e.Item.ItemType==ListItemType.EditType)
pT+OPOSR {
4avkyFj!h e.Item.Cells.Attributes.Add("Width", "80px")
'9vsv\A& }
OFv-bb*YZ }
+{6:]
1l}Am>} 26.对话框
DZESvIES private static string ScriptBegin = "<script language=\"JavaScript\">";
~<IQe-Q5 private static string ScriptEnd = "</script>";
#Z]Cq0= h3>u[cX% public static void ConfirmMessageBox(string PageTarget,string Content)
b't6ekkN {
:L:] 3L string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
\A!Iln NmpNme ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
]_s;olKNI HIj:?y Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
o|84yT!~ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
A0.xPru1p //Response.Write(strScript);
={h^X0<s9 }
k%-y\WM "7(@I^'t6 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
0:`YY8j1k es69P) 1.1 取当前年月日时分秒
" E5=AWd currentTime=System.DateTime.Now;
"_dJ4<8 4u2_xbT 1.2 取当前年
5B1,,8P int 年= DateTime.Now.Year;
CucW84H`J @!x7jPr 1.3 取当前月
[=-,i#4 int 月= DateTime.Now.Month;
o2YHT
\P
n C2iOF /4 1.4 取当前日
m=pH G int 日= DateTime.Now.Day;
RAEN
&M &QHmo* 1.5 取当前时
TgRG6?#^l int 时= DateTime.Now.Hour;
Ak`?,*LM \8{Tj54NA 1.6 取当前分
2l+'p[b0> int 分= DateTime.Now.Minute;
02^\np Zia6m[ ^Q 1.7 取当前秒
ex|)3|J int 秒= DateTime.Now.Second;
a(JtGjTf& y
</i1qM 1.8 取当前毫秒
CpgaQG^ int 毫秒= DateTime.Now.Millisecond;
Ym]rG
4 ! "08TCc< 28.自定义分页代码:
guy!/zQ>A @[/!e`]+ 先定义变量 :
%<q"&]e, public static int pageCount; //总页面数
oqK:
5| public static int curPageIndex=1; //当前页面
``Um$i~e% Ex}TDmTu 下一页:
H0Sm4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
b?9'-hK< {
(d
<pxx DataGrid1.CurrentPageIndex += 1;
Frhm4H%,_R curPageIndex+=1;
bx" .<q ( }
hg+;!|ha FFN.9[Ly bind(); // DataGrid1数据绑定函数
LXe'{W+bk zb9vUxN [ 上一页:
k'[\r>T if(DataGrid1.CurrentPageIndex >0)
hB:+_[=Kj. {
K^I$05idi DataGrid1.CurrentPageIndex += 1;
)gR3S%Ju curPageIndex-=1;
dt>!=<|k }
.L]2g$W\p `lO/I+8 bind(); // DataGrid1数据绑定函数
gr>FLf
~vR<UQz 直接页面跳转:
h!hv{c int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
q 7+ |U%!9 >R/^[([;] if(a<DataGrid1.PageCount)
/#xYy^` {
D t]FmU this.DataGrid1.CurrentPageIndex=a;
?H!X
p }
WN#dR~> ZQJh5.B bind();
j!"N Eh78H 1T3YFt@&I 29.DataGrid使用:
MD+eLA7 g{7?#.7 添加删除确认:
AWmJm) private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%__.-;)o {
l%xeM!} foreach(DataGridItem di in this.DataGrid1.Items)
{O[ !*+O {
Yr:$)ap if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
ZOzyf/?. {
(b1rd ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
]"1\z>Hg }
j)O8&[y= }
;77q~_g$ }
D_cd
l^ R2[
} 样式交替:
CwfGp[|}e ListItemType itemType = e.Item.ItemType;
![_GA)7 jM(!!AjpC if (itemType == ListItemType.Item )
inx0W3d"T {
~_SVQ7P e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
4b$m\hoN e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
z: W1(/W~ }
~leLQsZ else if( itemType == ListItemType.AlternatingItem)
:&D$Q
4 {
Z@:R'u2Lk e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}pPt- k e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
e-o$bf% }
!]WC~#|{B 4>[tjz.?k 添加一个编号列:
B.[5N;c DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
["?WVXCF8| DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
< 'qtqUL\ kI$p~ for(int i=0;i<dt.Rows.Count;i++)
M7IQJFra {
DWJkN4}o dt.Rows["number"]=(i+1).ToString();
/K#J63 , }
p$%g$K
PYYO-Twg DataGrid1.DataSource=dt;
_:;j)J0 DataGrid1.DataBind();
I*i$!$Bx2 "LH* T DataGrid1中添加一个CheckBox,页面中添加一个全选框
Fqp~1>wi private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
\A3yM{G~+ {
8uhB&qxB foreach(DataGridItem thisitem in DataGrid1.Items)
WN?meZ/N/ {
i(>v~T,( ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
SjOIln }
@-qC".CI }
()i!Uo QJ-?67_i 将当前页面中DataGrid1显示的数据全部删除
!J@pox-t foreach(DataGridItem thisitem in DataGrid1.Items)
`<l|XPv {
,TxZ:f`" if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
uv
dx>5] {
A&fh0E (t string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
c)o[3o7 Del (strloginid); //删除函数
} "ts }
1&}^{ Ys }
V5ihplAk OKq={l 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)
Y_Lsmq2! 7QkAr 在Application_Start中添加以下代码:
,s1n!@9 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ui6B AppSettings["ConnStr"].ToString();
cB[.ET$ dQL!
>6a 31. 变量.ToString()
S$I:rbc ETVT.R8 字符型转换 转为字符串
>taZw' 12345.ToString("n"); //生成 12,345.00
\ow0Y> 12345.ToString("C"); //生成 ¥12,345.00
#TSLgV'U 12345.ToString("e"); //生成 1.234500e+004
W(tXq 12345.ToString("f4"); //生成 12345.0000
aw:0R=S,> 12345.ToString("x"); //生成 3039 (16进制)
{ n%U2LVL 12345.ToString("p"); //生成 1,234,500.00%
$yb8..+ Q-N.23\1 32、变量.Substring(参数1,参数2);
qz:_T YB} _zuZ4& 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Pjff%r^ t`mLZ
<X 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
0-+`{j <SCRIPT language="javascript">
Vkb&'
rXw+ <!--
^i^S1h"
function gook(pws)
j{'@g[HW {
gB@Wv91 frm.submit();
.tb~f@xL }
ARu^hz= //-->
5+O#5"v_ 4[&6yHJ^ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
",rA <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
'[#uf/~W <tr>
P5P<-T{-c <td>
n1W}h@>8 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
:r/rByd' <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
*lG$B@;rc| <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
y!^RL,HIL }J$PO*Q@' <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
QrPWS-3~! <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
q 9pcEm4? !J'xk </td>
;SVF"Uo i9M6%R1m}E </tr>
m%E7V{t ,O(XNA(C </form>
U%45qCU 8`qw1dF 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
%GS)9{T& UrxgKTry 下面是获取用户输入的登陆信息的代码:
&/, BFx" string name;
3)g1e=\i$ name=Request.QueryString["EmailName"];
X6<HNLgra Aq|LeH try
<STjB,_s {
CsR~qQ
5 int a=name.IndexOf("@",0,name.Length);
uYMW5k_,> f_user.Value=name.Substring(0,a);
{hRAR8 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Qg
_?..% f_pass.Value=Request.QueryString["Psw"];
O!]wJ }
n5]<|>Uvx LZ ID|- catch
j`'=K_+nU {
W3 8=fyD Script.Alert("错误的邮箱!");
qW<: `y Server.Transfer("index.aspx");
{YbqB6zaM }