1. 打开新的窗口并传送参数:
%[Wh [zZy B~MU^|v 传送参数:
n8~N$tDU response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
#Z?A2r!1 !Xf5e*1IS 接收参数:
`u3EU*~W string a = Request.QueryString("id");
BC&S> #\ string b = Request.QueryString("id1");
)~)J?l3{ *2pt%eav 2.为按钮添加对话框
Dp,L/1GQ8 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
X(
\AB button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
o=1Uh,S3R h7G"G" 3.删除表格选定记录
V_:1EBzz int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
J=9FRC string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
P{kur} T /M1ob: m 4.删除表格记录警告
j4gF;-m< private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
N.,X<G.H {
`i3NG1
v0 switch(e.Item.ItemType)
t3 8m'J :> {
BO~0ON0 case ListItemType.Item :
I| w"/"U case ListItemType.AlternatingItem :
x
nsLf?>] case ListItemType.EditItem:
S 6@u@C TableCell myTableCell;
4KhV|#-;k myTableCell = e.Item.Cells[14];
i1ixi\P{0 LinkButton myDeleteButton ;
)B"jF>9)[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
]sf7{lVT myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
cLpYW7vZ[
break;
~7*.6YnI default:
|mxDjgq break;
!JHL\M>A5 }
XKj|f` ]#)()6)2v }
BTqS'NuT ! ` 5.点击表格行链接另一页
_C%3h5 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
TaZmRL {
F~R;n_IJ //点击表格打开
hgYZOwQ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:3v}kLO7| e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
^S4d:-.3 }
b[r8e dI.WK@W'o 双击表格连接到另一页
M'7f O3&| M8MRoA6F 在itemDataBind事件中
SE@LYeC}dE if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&47i"% {
!`Fxa4i> string OrderItemID =e.item.cells[1].Text;
>K_(J/&p ...
[_R~%Yh+'E e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
n`? py }
!,wIQy_e4 xK *b1CB 双击表格打开新一页
Qf~vZtJ+J if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
I5k$H$ {
^cOUQ33 string OrderItemID =e.item.cells[1].Text;
Xb|:vr\v ...
K[I=6 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/hr7NT{e%v }
"@e3EX7h ity & v9 ★特别注意:【?id=】 处不能为 【?id =】
C)[,4wt, 6.表格超连接列传递参数
"Gsc;X'id <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
so,t <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
;v}GJ<3 v [wb~uw\ 7.表格点击改变颜色
:}He\V if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7x"R3 {
+SP{hHa^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
m~iXl,r this.style.color=’buttontext’;this.style.cursor=’default’;");
]J1dt N= }
VQc_|z_s \\iQEy<i 写在DataGrid的_ItemDataBound里
&PR5q7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
rN<0
R`4sE {
JrJo|0Q e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
kKaE=H-x this.style.color=’buttontext’;this.style.cursor=’default’;");
Vh'P&W?[ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
S]}nm }
%|s; C aB_F9;IR k$ 4y9{ 8.关于日期格式
Z+*9#!?J td(li., 日期格式设定
>~''&vdsk\ DataFormatString="{0:yyyy-MM-dd}"
AHD=<7Rs ]0Y4U7W 我觉得应该在itembound事件中
y_*
!6Xr e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
P{8iJ`rBG w#ZoZZ wh 9.获取错误信息并到指定页面
5dx$HE&b) &W|[r( 不要使用Response.Redirect,而应该使用Server.Transfer
I,E?h?6Y }5ret e.g
+5w))9@ // in global.asax
D>`xzt '.6 protected void Application_Error(Object sender, EventArgs e) {
/j#n if (Server.GetLastError() is HttpUnhandledException)
.M qP_Z', Server.Transfer("MyErrorPage.aspx");
0\X\izQ5 d6Ht2 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
8v:T.o;< }
%"q9:{m e),q0%5 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
ahJ`T*)HY j_qbAP 10.清空Cookie
GB23\Yv Cookie.Expires=[DateTime];
[]\+k31D Response.Cookies("UserName").Expires = 0
w;%.2VJ GoJ.&aH $ 11.自定义异常处理
;@mS^ik")$ //自定义异常处理类
/MIe(,>Uh using System;
8EZ$g<} using System.Diagnostics;
|tKsgj g{7.r-uu namespace MyAppException
AuvkecuIh {
MU($|hwiL /// <summary>
_('=b/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
qEyyT[: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Z_LFIz*c /// </summary>
'f#{{KA public class AppException:System.ApplicationException
PIJr{6B/PA {
V><,UI=,n public AppException()
RFi
S@.7 {
>"??!|XG^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
e6`Jbu+J<f }
jte.Xy~g us1Hu) public AppException(string message)
NG=@ -eu {
`XJG(Oas\ LogEvent(message);
R }
MR;1
2*p I5X|(0es public AppException(string message,Exception innerException)
ny]?I {
RF`.xQ26= LogEvent(message);
OTvPU kp* if (innerException != null)
(9tX5$e6N {
EGGWrl}1 LogEvent(innerException.Message);
4n#M }
.8 2P(}h }
O\
GEay2
l3{-z4mw //日志记录类
"0V.V>-p using System;
?1*cO:O using System.Configuration;
[meO[otb using System.Diagnostics;
7LfAaj using System.IO;
)!3V/`I using System.Text;
1gE [v using System.Threading;
Bj+S"yS #QS`_TlKk namespace MyEventLog
9Uh"iMB {
g1;:KzVv /// <summary>
zv|2:4H /// 事件日志记录类,提供事件日志记录支持
u]g%@3Pn /// <remarks>
)1Y{Q Y}l /// 定义了4个日志记录方法 (error, warning, info, trace)
*1ilkmL% /// </remarks>
>,v`EIg /// </summary>
jSJqE_ 1 public class ApplicationLog
y|jl[pyg) {
c_dVWh e /// <summary>
R a O-H /// 将错误信息记录到Win2000/NT事件日志中
MOQ6: /// <param name="message">需要记录的文本信息</param>
|-b#9JQ[A /// </summary>
4`lLf public static void WriteError(String message)
9#23FK {
Yc`o5Q\> WriteLog(TraceLevel.Error, message);
dhC$W!N7! }
0XOp3 L\37xJo /// <summary>
-m\u /// 将警告信息记录到Win2000/NT事件日志中
b}2ED9HG\ /// <param name="message">需要记录的文本信息</param>
mbKZJ{|4s /// </summary>
S%$ }( public static void WriteWarning(String message)
^8]NxV@l {
)~&CvJ WriteLog(TraceLevel.Warning, message);
aKJwofD }
L{#IT. \J4L:.`qS /// <summary>
t DO=P
c /// 将提示信息记录到Win2000/NT事件日志中
pg6cF /// <param name="message">需要记录的文本信息</param>
S~<$Hy*kh /// </summary>
3>3 Kwc~E public static void WriteInfo(String message)
D+#E-8 {
?Lx24*5% WriteLog(TraceLevel.Info, message);
.zr-:L5{ }
d}OTO10 /// <summary>
,xw#NG6 /// 将跟踪信息记录到Win2000/NT事件日志中
dydc}n /// <param name="message">需要记录的文本信息</param>
.fn\]rUv /// </summary>
FK^p")i public static void WriteTrace(String message)
T5|qRlW {
biL s+\C WriteLog(TraceLevel.Verbose, message);
Av$]|b }
Vk`h2BV 5v[*:0p' /// <summary>
ajve~8/& /// 格式化记录到事件日志的文本信息格式
+*\u :n /// <param name="ex">需要格式化的异常对象</param>
Cw~q4A6' /// <param name="catchInfo">异常信息标题字符串.</param>
3_C|z,\: /// <retvalue>
pXtl
6K% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
y>S.?H:P /// </retvalue>
W}nlRbN? /// </summary>
nI[os public static String FormatException(Exception ex, String catchInfo)
>R|/M`<ph {
n"$jG:AQJ StringBuilder strBuilder = new StringBuilder();
O8f?; ] if (catchInfo != String.Empty)
ov|d^)' {
[m->5H strBuilder.Append(catchInfo).Append("\r\n");
<3L5"77G6 }
bs+f,j-oBN strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
I.I`6(Cb return strBuilder.ToString();
SbcS]H5Sk }
.[YuRLGz !d'GE`w T /// <summary>
D,FHZDt /// 实际事件日志写入方法
2Zm0qJ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
87=&^.~` /// <param name="messageText">要记录的文本.</param>
+|*IZ:w) /// </summary>
<:_wbVn- private static void WriteLog(TraceLevel level, String messageText)
1kz\IQ{ {
,t3wp#E2# try
k3~}7]O) {
b jy Zk_\ EventLogEntryType LogEntryType;
GL&y@6 switch (level)
aasoW\UG {
5b5x!do case TraceLevel.Error:
c7 ?_46J LogEntryType = EventLogEntryType.Error;
-Mip,EO break;
,yC-+VL case TraceLevel.Warning:
#OZ>V3k LogEntryType = EventLogEntryType.Warning;
N>Xo_-QCY break;
\TIT:1 case TraceLevel.Info:
j
'FVz& LogEntryType = EventLogEntryType.Information;
W,D4.w$@' break;
a,Sw4yJ!Q case TraceLevel.Verbose:
=NpYFKmMhV LogEntryType = EventLogEntryType.SuccessAudit;
FW.7'7G@n break;
z Eq GD2" default:
iyN:%ofh LogEntryType = EventLogEntryType.SuccessAudit;
'Jiw@t<o3` break;
9y6-/H
, }
AJt+p&I[J iky|Tp EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
w?3p';C //写入事件日志
PYiU_ eventLog.WriteEntry(messageText, LogEntryType);
>u>5{4 )S3\,S-. }
>1s*
at/h catch {} //忽略任何异常
>/{@C }
w2Us!<x } //class ApplicationLog
&]V.S7LC# }
7Sf
bx~48 Uq[>_"} 12.Panel 横向滚动,纵向自动扩展
uyO/55;HO <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
m&xW6!x ``V"
D 13.回车转换成Tab
Y)1PB+ <script language="javascript" for="document" event="onkeydown">
lvdf^b/
j if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
A8xvo/n$ event.keyCode=9;
v>:Ur}u!D </script>
f<
ia(d ks&*O!h onkeydown="if(event.keyCode==13) event.keyCode=9"
Ki4r<>\l{H Ac96
[ 14.DataGrid超级连接列
)(A]Ln4 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
*jLJcb*.Ap tI]Q%S, 15.DataGrid行随鼠标变色
RW|`nL private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
l~1Oef#y {
&]g}u5J!= if (e.Item.ItemType!=ListItemType.Header)
6uv#de {
QFE:tBHe e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
6O|@xvg e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
oOnop-z7 }
7z/|\D_{ }
w+C7BPV& O $LfuL 16.模板列
rr+|Zt
Y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
l#m#c6;= <ITEMTEMPLATE>
vV6<^W:9F <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Sw:7pByjI </ITEMTEMPLATE>
oNr-Q& C, </ASP:TEMPLATECOLUMN>
H[{F'c[e :C7_Jp*Qv <ASP:TEMPLATECOLUMN headertext="选中">
LVX[uWEM <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
[\'%?BH(^ <ITEMTEMPLATE>
t;\kR4P <ASP:CHECKBOX id="chkExport" runat="server" />
A]<y:^2])C </ITEMTEMPLATE>
f}aL-N~ <EDITITEMTEMPLATE>
t
4PK}>QW <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
bhID#& </EDITITEMTEMPLATE>
nx@=>E+a </ASP:TEMPLATECOLUMN>
g~ZvA(` =w;F<M|Y 后台代码
:Uz| 3gq protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\O}E7- {
?*2CpM&l
//改变列的选定,实现全选或全不选。
&?W0mW( CheckBox chkExport ;
6TYY
UM"& if( CheckAll.Checked)
b $'FvZbk {
M.Y~1c4f foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
S\LkL]qx {
^.1)};i chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
={_C&57N1 chkExport.Checked = true;
!\"EFVH }
0bz'& }
?@BTGUK"C else
.Fs7z7?Y {
2n3W=dF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0f~C#/[t7 {
,C
K{F chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Ed"h16j?z chkExport.Checked = false;
e63uLWDT }
N6>(;ugJ1- }
f) zn TJL }
N|1M1EBOu> QU4h8}$ 17.数字格式化
#J@[Wd QXL'^uO 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:S.9eFfa <%#Container.DataItem("price","{0:¥#,##0.00}")%>
(XeE2l2M Mx&&0#;r int i=123456;
6tX q: string s=i.ToString("###,###.00");
$RYa6"` Q(@U2a8 18.日期格式化
AZ0;3<FfLp 1s%#$ 7 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
<nE>XAI_7 ?/BqD;{?I 显示为: 2004-8-11 19:44:28
H#NCi~M>3 .>CPRVuVI 我只想要:2004-8-11 】
X59:C3c <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
i8`Vv7LF JF # #
[O 应该如何改?
rv&<{@AS~ D6%J\C13` 【格式化日期】
`)`
n(B h^?\xm| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
[f)cL6AeF *194{ ep 【日期的验证表达式】
uZM{BgXXD ~T9/#-e>BF A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Kh,V.+7k ^((\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})))?$
:QpuO1Gu hHN'w73z B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
18~>ZR ^\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]))$
xgbJ2Mh L0*nm.1X 【大小写转换】
Px$/ _`H HttpUtility.HtmlEncode(string);
5i>$]*o HttpUtility.HtmlDecode(string)
1xD=ffM>8N ,-izEr 19.如何设定全局变量
FB
_pw!z iJ~Zkd Global.asax中
Du`JaJI v 0
}@ Application_Start()事件中
&0='r;*i .Si,dc\ 添加Application[属性名] = xxx;
#N#'5w-G i;NUAmx 就是你的全局变量
f47Od-\- =4[v3Qx 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
\n{qsf: IOb*GTb HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
:E_g"_ z*kutZ:6Y 【ASPNETMENU】点击菜单项弹出新窗口
MNC*Glj= CsTF 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
0uWR<,] <?xml version="1.0" encoding="GB2312"?>
3{""58 <MenuData ImagesBaseURL="images/">
b?TO=~k, <MenuGroup>
?3*l{[@J <MenuItem Label="内参信息" URL="Infomation.aspx" >
z54EG:x.7^ <MenuGroup ID="BBC">
2@9Tfm(= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
dls
ss\c^M <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
J/\V%~
1F ......
JQ,1D`?.a [ JpKSTg[ 最好将你的aspnetmenu升级到1.2版
`&KwtvkdI vY%d 21.读取DataGrid控件TextBox值
>H'4{| foreach(DataGrid dgi in yourDataGrid.Items)
{7 $c8i {
WKT4D}{1 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
`wus\&!W tb.Text....
MOsl_^c }
[21=5S 3|1ilP 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
w9NHk~LHKF U 'R)x";= 〖思归〗
Yj)#k)x <asp:TemplateColumn HeaderText="数量">
6b+b/>G0 <ItemTemplate>
0o+6Q8q <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
u:[vaBh91 onkeyup="javascript:DoCal()"
V\u>"3BQw />
F_;vO%} (@t(?Js <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
o>/YAX:.!T </ItemTemplate>
/wP@2ADB </asp:TemplateColumn>
L%Ow#.[C2 W.dt:_ <asp:TemplateColumn HeaderText="单价">
C!Rs^/ <ItemTemplate>
{P{bOe <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
V>R8GSx onkeyup="javascript:DoCal()"
[* @5\NWR} />
p /#$io Rniq(FAx <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
NbC@z9Q #Yr9AVr}K </ItemTemplate>
c:-!'l$ ! </asp:TemplateColumn>
4T!+D h<Ft_#|o[ <asp:TemplateColumn HeaderText="金额">
HvM)e.! <ItemTemplate>
%7"X(Ts7B <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
cJ1#ge%4 </ItemTemplate>
31rx-D8o </asp:TemplateColumn><script language="javascript">
3H|_mX function DoCal()
bKrhIU[ {
D+]a.& {p var e = event.srcElement;
3
|hHR var row = e.parentNode.parentNode;
qxFB%KqU var txts = row.all.tags("INPUT");
eU<]o<
\Qo if (!txts.length || txts.length < 3)
O+?<h{" return;
Au4yBm
u r41\r,`Dj var q = txts[txts.length-3].value;
ag*mG*Z var p = txts[txts.length-2].value;
:cq9f2) 0TGLM#{ if (isNaN(q) || isNaN(p))
^1Zeb$Nw' return;
} p&&_? 4W3\P9p= q = parseInt(q);
.a._NW p = parseFloat(p);
\RvvHty-V jFA{+Yr1 txts[txts.length-1].value = (q * p).toFixed(2);
7N:Y?Hi\ }
po$ /7 </script>
"\}@gV#r$A xER\ZpA:, rb1`UG"h$ *d"DA[( e pU: 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。
))&;}2{ page_load
#a`a$A page.smartNavigation=true
0KGY\,ae:; (N&lHLy 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
,`gl&iB private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.Fnwm} {
UEozAY for(int i=0;i<e.Item.Cells.Count-1;i++)
9G+V;0Q if(e.Item.ItemType==ListItemType.EditType)
"FTfk {
f.
FYR|%tq e.Item.Cells.Attributes.Add("Width", "80px")
SE),":aY }
``OD.aY^s }
2 !At2P2 VUhbD 26.对话框
SQqD:{#g" private static string ScriptBegin = "<script language=\"JavaScript\">";
L{(QpgHZ private static string ScriptEnd = "</script>";
+"8,Mh \ gLHi~ public static void ConfirmMessageBox(string PageTarget,string Content)
|b*?
qf {
^4,a 8` string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Sqo
:- tI7:5Cm ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
G3rj`Sg^c JaK}| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
,t`Kv1 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
TZ2=O<Kj //Response.Write(strScript);
:'*DPB- }
7vABq( ( YQWbOk 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
6IWxPt~ {%IE xPJ 1.1 取当前年月日时分秒
,:??P1 currentTime=System.DateTime.Now;
w~
[b*$ >2]JXLq 1.2 取当前年
'A:x/iv}^ int 年= DateTime.Now.Year;
%K>.lh@ [o.B 1.3 取当前月
F0:A]`| int 月= DateTime.Now.Month;
'k4E4OB cOPB2\, 1.4 取当前日
xj[(P$,P int 日= DateTime.Now.Day;
BM(]QUxRd D5:{fWVsV/ 1.5 取当前时
jLpc
Zb, int 时= DateTime.Now.Hour;
L3n_ 5| {;.T7dL 1.6 取当前分
V^\8BVw int 分= DateTime.Now.Minute;
|]aE<`D HO[wTB|D] 1.7 取当前秒
'
4ER00 int 秒= DateTime.Now.Second;
qA!]E^0*Ke ei6AV1| p 1.8 取当前毫秒
h;-yU.(w int 毫秒= DateTime.Now.Millisecond;
T}4/0yR2 F35#dIs`& 28.自定义分页代码:
2^)1N>"g ZeEWp3vW 先定义变量 :
ak:ibV public static int pageCount; //总页面数
8
O 67 public static int curPageIndex=1; //当前页面
:_@JA0n UQ[B?jc 下一页:
xY$iz)^0& if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Y}[ c^$S {
<}sq?Sfq! DataGrid1.CurrentPageIndex += 1;
;>AL`M+ curPageIndex+=1;
ONCnVjZ }
YSj+\Z$( 2hee./F` bind(); // DataGrid1数据绑定函数
wN2QK6Oc O)Y?=G)
上一页:
3;8!rNN if(DataGrid1.CurrentPageIndex >0)
ZvUCI8 {
Y&
F=t/U2 DataGrid1.CurrentPageIndex += 1;
HU9Sl*/ curPageIndex-=1;
4[BG# }
QjC22lW- tOOchu?= bind(); // DataGrid1数据绑定函数
cetvQAGXY #^4,GLIM 直接页面跳转:
Vur bW=~g int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
NHl|x4Zpw =b[_@zq] if(a<DataGrid1.PageCount)
o}<4*qlI {
(%U@3._ this.DataGrid1.CurrentPageIndex=a;
E"L2&. }
1Jj Y! 06Gt&_Q bind();
JKX_q&bUw w=}uwvn NX 29.DataGrid使用:
Nr0
(E D)@YI.T 添加删除确认:
Vp<seO;7o private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
JICawj:I {
meCC?YAB foreach(DataGridItem di in this.DataGrid1.Items)
W,K%c= {
e4G4GZH8 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'*Almv { {
YOrrkbJ( ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
NBF MN% }
8kbY+W%n }
g/&T[FOr }
t!2(7=P30( Cn_$l> 样式交替:
Iu{kPyx ListItemType itemType = e.Item.ItemType;
XTd3|Pm I"1;|`L~: if (itemType == ListItemType.Item )
c5Q<$86 {
&|aqP
\Q5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
i[ $0a4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
>5wx+n)/) }
DaH?@Q else if( itemType == ListItemType.AlternatingItem)
gZEi]/8_ {
5"/J^"!h e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Lgz$]Jbl8 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2jbIW* }
$46{<4. -!)xQvagD. 添加一个编号列:
x)UwV DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
!J=sk4T DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
4HAp{a1 ||zb6|7I4 for(int i=0;i<dt.Rows.Count;i++)
:iiw3#] {
J|3E- p\o dt.Rows["number"]=(i+1).ToString();
qClHP)< }
HK~xOAF $O{duJU DataGrid1.DataSource=dt;
s!9dQ. DataGrid1.DataBind();
Q`#4W3-, 2Sq_Tw3^ DataGrid1中添加一个CheckBox,页面中添加一个全选框
jY6MjZI private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
*0_yT$ {
huudBc
A[ foreach(DataGridItem thisitem in DataGrid1.Items)
5`]UE7gT {
/cK%n4l.y ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
IG?'zppjd6 }
m'-|{c }
`funE:>, `]v[5E 将当前页面中DataGrid1显示的数据全部删除
&3Zy|p4V< foreach(DataGridItem thisitem in DataGrid1.Items)
5[{*{^F4 {
h C=:q if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
9]'($:LF08 {
>\ u<&>i string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
}YOL"<,:o Del (strloginid); //删除函数
~Z ~v }
.d?%;2*{q }
`mH %!{P f(D_FTTO 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
l/y]nw IZ3{>NV 在Application_Start中添加以下代码:
3u>8\|8wz Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
h7X_S4p/Mg AppSettings["ConnStr"].ToString();
1ZJQs6 |xoF49 31. 变量.ToString()
XCsiEKZ_i IkzTJ%> 字符型转换 转为字符串
OquAql: 12345.ToString("n"); //生成 12,345.00
=N);v\ Q$! 12345.ToString("C"); //生成 ¥12,345.00
O9(r{Vu7u 12345.ToString("e"); //生成 1.234500e+004
`Y40w#?uW 12345.ToString("f4"); //生成 12345.0000
0)m8)!gj 12345.ToString("x"); //生成 3039 (16进制)
LwuF0\ 12345.ToString("p"); //生成 1,234,500.00%
@mt0kV9 \uG`|Dn 32、变量.Substring(参数1,参数2);
YHV-|UNF (!5LW'3B 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);
( #Z` xw<OLWW 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)
W/=|/-\]/ <SCRIPT language="javascript">
f-2$
L <!--
8_H=^a>2 function gook(pws)
_)$PKOzbb {
?hYqcT[% frm.submit();
!}M, }
2 }vg U$a //-->
WqrgRpM{ O;[9_[ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
dz#5q-r <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
kHc<* L_V <tr>
%OcGdbs <td>
Oq(VvS/ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
he+#Q6 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
_kFYBd <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
[O
", vQ@2FZzu> <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
>yJ-4lgZ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
w(nHD*nm w'7R4 </td>
m+$ @'TbP MVCl.o </tr>
.wrL3z_ $\a5&1rl </form>
:Zw@yt MVv1.6c7Y 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。
{}>n{_ pN[0YmY# 下面是获取用户输入的登陆信息的代码:
^]p string name;
/DS?}I.*] name=Request.QueryString["EmailName"];
Wx)K*9 P`1EPF try
_DPOyR2 {
PWgDFL? int a=name.IndexOf("@",0,name.Length);
smAC,-6]~ f_user.Value=name.Substring(0,a);
bzmr"/#D3 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
_'x8M f_pass.Value=Request.QueryString["Psw"];
R@T6U:1 }
+:jT=V"X [IM%b~j(^ catch
O,V9R
rG {
#6S75{rnW" Script.Alert("错误的邮箱!");
o5Rz%k#h Server.Transfer("index.aspx");
JbQZ!+ }