1. 打开新的窗口并传送参数:
jFThW N ]53'\TH 传送参数:
ajMI7j^G response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
PquATAzQA @E5}v 接收参数:
KXTx{R string a = Request.QueryString("id");
h<ULp&g string b = Request.QueryString("id1");
WA&&*ae5` Owz.C_{) 2.为按钮添加对话框
b1 NB: Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%*`yd.L0W button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%V&I${z Vj{}cL"MR 3.删除表格选定记录
9}DF*np`G int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
<<:a>)6\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
#ZS8}X*S }2-p=Y:6 4.删除表格记录警告
*UlL\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-yn;Jo2- {
Up|>)WFw" switch(e.Item.ItemType)
*S$`/X {
;UB$Uqs6 case ListItemType.Item :
?
(f44Zgm case ListItemType.AlternatingItem :
j*05!j<' case ListItemType.EditItem:
6a\YD{D] _ TableCell myTableCell;
dxI t.h myTableCell = e.Item.Cells[14];
eg
vgi?y LinkButton myDeleteButton ;
_$Hx:^p: myDeleteButton = (LinkButton)myTableCell.Controls[0];
KB^i=+xr myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
N2_9V~! break;
,BCo/j default:
' y9yx[P break;
Md4JaFA( }
'5n67Hl 1 6bW:&IPQ; }
:$ "L;" dfoFs&CSKh 5.点击表格行链接另一页
Q4JvFy0' private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:n?K[f?LfY {
=P.m5e< //点击表格打开
{Z=m5Dy} if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Cw_XLMY%V1 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
(~<9\ZJs }
H!NyM}jsr E-_Q3^ 双击表格连接到另一页
aj:B+}1 &@MiR8 在itemDataBind事件中
c#6g[TE@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&]? X"K {
G$"$k=[ string OrderItemID =e.item.cells[1].Text;
'!6Py1i ...
:W\xZ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+#c3Y;JP }
*Tt*\ O u< ,c 双击表格打开新一页
Q/,jv5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IO\>U(:vx {
W l+[{# string OrderItemID =e.item.cells[1].Text;
VYZkHjj)2i ...
#+-
/0{HT e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Aey*n=V4#F }
Evn=3Tw :uD*Q/ ★特别注意:【?id=】 处不能为 【?id =】
#*<*|AwoW| 6.表格超连接列传递参数
]E+deM <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
$rh {f< <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
NZyGC
Vh@ R]7-6 7.表格点击改变颜色
6O>GVJbw if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
fb 8t9sAI {
( IXe555 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
z|V5/" this.style.color=’buttontext’;this.style.cursor=’default’;");
a3<.F&c+c }
U Ux] c_fx,;
; 写在DataGrid的_ItemDataBound里
|GvWHe` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Z/wKUK; {
D{{ME8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
`KgWaf- this.style.color=’buttontext’;this.style.cursor=’default’;");
Y70[Nz e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
eL-9fld/n }
65ctxxWv1 ZgcJxWC< hZ0CnY8 ' 8.关于日期格式
\P;%fN aF9p%HPDw 日期格式设定
%U&O
\GB DataFormatString="{0:yyyy-MM-dd}"
{/C
\GxH+ LH4!QDK- 我觉得应该在itembound事件中
-o8H_MR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
?Sq?f? HD(4Ms 9.获取错误信息并到指定页面
3+_
.I{ cGhnI& 不要使用Response.Redirect,而应该使用Server.Transfer
hy"O_Le @,<@y>m7 e.g
)5}=^aqd // in global.asax
t}zffe- protected void Application_Error(Object sender, EventArgs e) {
+h}>UK\ if (Server.GetLastError() is HttpUnhandledException)
D~~&e<v'1 Server.Transfer("MyErrorPage.aspx");
w~NQAHAvo |=^p`CT //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
@{_L38. Nw }
zoV4Gl iINd*eXb^ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Ny@CP} I6x 10.清空Cookie
HWJ(O/N Cookie.Expires=[DateTime];
3iHUG^sLW Response.Cookies("UserName").Expires = 0
hlpi-oW` :Rh?#yO5 11.自定义异常处理
p`jkyi //自定义异常处理类
R#ABda9 using System;
GHaOFLY using System.Diagnostics;
j9@7\N< 0,a;N%K- namespace MyAppException
0^41dfdE {
gAA2S5th /// <summary>
8,Jjv* /// 从系统异常类ApplicationException继承的应用程序异常处理类。
v+NdO$o /// 自动将异常内容记录到Windows NT/2000的应用程序日志
T[}A7a6g_ /// </summary>
"lcNjyU\O public class AppException:System.ApplicationException
,9I %t%sb {
*OOi public AppException()
+/tNd2 {
|gvx^)ro if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
$^Is|]^ }
j@xerY G x;U 3iV public AppException(string message)
!o+Y"* / {
\Kp!G1?_AY LogEvent(message);
lWr{v\L' }
>hkmL](^ qB57w:J public AppException(string message,Exception innerException)
raL!} {
eSNwAExm LogEvent(message);
}Ut*Y* if (innerException != null)
mRe BS {
x;&01@m. LogEvent(innerException.Message);
UEZnd8 }
p5 |.E }
+FD"8 ^YC (yjx+K_[ //日志记录类
&b[.bf using System;
]Ek6EuaK using System.Configuration;
<j}n/G] using System.Diagnostics;
_i_^s0J using System.IO;
dzIcX*" using System.Text;
_MF:?p,l using System.Threading;
d"K~+<V} Zd~'%(q namespace MyEventLog
.+|HJ( {
W(h].'N /// <summary>
k[9~Er+ /// 事件日志记录类,提供事件日志记录支持
u@j]U|FpY /// <remarks>
)HHG3cvU /// 定义了4个日志记录方法 (error, warning, info, trace)
;D}8acQ /// </remarks>
{MP8B'r-6 /// </summary>
lSGtbSyDI public class ApplicationLog
^}JGWGib=+ {
"gD]K= /// <summary>
xq`mo /// 将错误信息记录到Win2000/NT事件日志中
OF [y$<jM /// <param name="message">需要记录的文本信息</param>
Sz_bjh yT} /// </summary>
)Gf"#TM[ public static void WriteError(String message)
42* y27Dtm {
:ud<"I]: WriteLog(TraceLevel.Error, message);
[$PW {d8| }
N03)G2 :@BAiKa[wa /// <summary>
+#%#QL /// 将警告信息记录到Win2000/NT事件日志中
BE`{? -G /// <param name="message">需要记录的文本信息</param>
97/"5i9 /// </summary>
=:)p\{B public static void WriteWarning(String message)
x$:>W3?T=^ {
(x;Uy WriteLog(TraceLevel.Warning, message);
:@mBSE/ }
-~ w5yd _Xs(3V@'} /// <summary>
Q"o* \I /// 将提示信息记录到Win2000/NT事件日志中
Z>0a?=1[ /// <param name="message">需要记录的文本信息</param>
|;~kHc$W /// </summary>
<SK%W= public static void WriteInfo(String message)
IUB#Vdx {
vD,ZEKAN WriteLog(TraceLevel.Info, message);
['<Q402:. }
5<Ly^Na: /// <summary>
iME)Jl& /// 将跟踪信息记录到Win2000/NT事件日志中
!V<c:6" /// <param name="message">需要记录的文本信息</param>
vJybhdvP /// </summary>
I-?PTr public static void WriteTrace(String message)
vpt*?eR {
Z7\}x"hk WriteLog(TraceLevel.Verbose, message);
fN)A`> iP }
]H ze Sz!mn
/// <summary>
N*J!<vY" /// 格式化记录到事件日志的文本信息格式
]]sy+$@~ /// <param name="ex">需要格式化的异常对象</param>
)4nf={iM /// <param name="catchInfo">异常信息标题字符串.</param>
M)m( /// <retvalue>
;iol 2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
29a~B<e7s /// </retvalue>
yf >
rG /// </summary>
d-GU164 public static String FormatException(Exception ex, String catchInfo)
$&fP%p {
A_h|f5
StringBuilder strBuilder = new StringBuilder();
\nfjz\"R?b if (catchInfo != String.Empty)
!p:kEIZ)y {
Ge'[AhA strBuilder.Append(catchInfo).Append("\r\n");
`S`,H }
p$5uS=:4`8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
3pzp6o2 return strBuilder.ToString();
}MUQO<=* }
3shRrCL0mf }da}vR"iL /// <summary>
35q4](o9" /// 实际事件日志写入方法
)6~s;y! /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
[h5~1N /// <param name="messageText">要记录的文本.</param>
$-J0ou8~ /// </summary>
x9DG87P~+ private static void WriteLog(TraceLevel level, String messageText)
,.<[iHC}9 {
B=?m_4\$m try
=nVEdRU {
o\TXWqt EventLogEntryType LogEntryType;
nj90`O.K switch (level)
Z.^DJ9E<1 {
";kwh8wB case TraceLevel.Error:
g6 AEMer LogEntryType = EventLogEntryType.Error;
PZ#\O break;
3]46qk' case TraceLevel.Warning:
^ gy"$F3{` LogEntryType = EventLogEntryType.Warning;
be<7Vy]j break;
hFW{qWP case TraceLevel.Info:
n]3Lqe; LogEntryType = EventLogEntryType.Information;
g-C)y
06 break;
f9%M:cl case TraceLevel.Verbose:
!t;B.[U * LogEntryType = EventLogEntryType.SuccessAudit;
#<$pl]>}t break;
+.czj,Sq default:
/8cfdP Ba LogEntryType = EventLogEntryType.SuccessAudit;
GbXa=*
<-< break;
l:@`.'-= }
vtByC u5 &c AFKYt EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
EDDld6O, //写入事件日志
;bYpMcH eventLog.WriteEntry(messageText, LogEntryType);
hL?"! q PveG1+25 }
Qhc>,v) catch {} //忽略任何异常
Ii.0Bul }
G5oBe6\C } //class ApplicationLog
&UFj
U%Z% }
=q\Ghqj1 r(ZMZ^ 12.Panel 横向滚动,纵向自动扩展
Ye=c;0V(w <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
?hFG+`"W +A;AX.mr 13.回车转换成Tab
su}n3NsJ <script language="javascript" for="document" event="onkeydown">
@cS(Bb!(M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>;sz(F3) event.keyCode=9;
HV?Q{XK.b </script>
JK%UaEut= 'NAC4to;; onkeydown="if(event.keyCode==13) event.keyCode=9"
\yE*nZ &6@#W]_ 14.DataGrid超级连接列
zObrp DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
#0*oj/ JS!`eO/8 15.DataGrid行随鼠标变色
-"CXBKHb
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
CMiE$yC {
Tlar@lC|u if (e.Item.ItemType!=ListItemType.Header)
nOm-Yb+F {
V[#$Sz[G e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
8[B0[2O e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
BO%aCK& }
Y& p
~8 }
"y7IH
GJ\3 4!U)a 16.模板列
lf9mdbm <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
}m -A #4. <ITEMTEMPLATE>
Lz/{
q6> <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
p Lwtm@ </ITEMTEMPLATE>
olxnQYFo </ASP:TEMPLATECOLUMN>
FoW|BGA~ xbNL <3"a <ASP:TEMPLATECOLUMN headertext="选中">
<*3#nA-O>i <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
'},
8x? <ITEMTEMPLATE>
PKg>|]Rf. <ASP:CHECKBOX id="chkExport" runat="server" />
PNp-/1Cx </ITEMTEMPLATE>
VkD}gJY <EDITITEMTEMPLATE>
Q`zW[Y&] <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
=K;M\_k%y </EDITITEMTEMPLATE>
(7 O?NS </ASP:TEMPLATECOLUMN>
2[X\*"MQ2 G_E \p%L>] 后台代码
"nA~/t= protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
8dUP_t~d#q {
OnND(YiX //改变列的选定,实现全选或全不选。
2EC<8}CG CheckBox chkExport ;
B1k;!@@14 if( CheckAll.Checked)
}8Yu"P${Y {
hRI?>an foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=,J-D6J? {
>9+h2B
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
(hi{i chkExport.Checked = true;
0..]c-V(G }
oU/{<gs }
|@Ze{\
else
z5g4+y, {
w!rw% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
<3fY,qw {
9#:B_?e= chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5_+pgJL chkExport.Checked = false;
D16w!Mnz{K }
Ve[[J"ze }
m:)sUC0 }
j58'P 5N aflBDo1c 17.数字格式化
:;URLl0 *[+{KJ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nU,~*Us <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^0g!,L 560`R> int i=123456;
bWg!/K55 string s=i.ToString("###,###.00");
k9!euj& t8f:?
18.日期格式化
6FFM-9*|[ %fIYWu`X 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
` 1vDp. BV)) #D9 显示为: 2004-8-11 19:44:28
vEc<|t c+ukVn`r 我只想要:2004-8-11 】
Y(;u)uN_ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
E[Bj+mX9 $Ned1@%[ 应该如何改?
c@x6<S%* }q=tg9 【格式化日期】
$QnsP#ePN f/670Acv 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
UgTgva>? 9dwLkr 【日期的验证表达式】
.s%dP.P:i1 i$6o>V6 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
8<=]4- X@ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
o]aMhSol ]2rCn}; B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
6T6UIq ^\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]))$
8|~ M!< l9naqb:iP 【大小写转换】
M:t"is HttpUtility.HtmlEncode(string);
er.;qV'Wz6 HttpUtility.HtmlDecode(string)
,!QtViA7 Huc|HL#C 19.如何设定全局变量
Vx%!j& I_is3y0 Global.asax中
q"u,r6ED 7`SrqI& Application_Start()事件中
qHu\3@px g4Nl"s*~ 添加Application[属性名] = xxx;
fF^A9{{BS XBm ^7' 就是你的全局变量
:KI0j%>2y h$#|s/ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
(s,u9vj=>L vRLWs`1j HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
5s:g(gy3BR -Yg?@yt 【ASPNETMENU】点击菜单项弹出新窗口
=kb/4eRg ]<k+a-Tt 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
h*V~.H <?xml version="1.0" encoding="GB2312"?>
4U*CfdZZ <MenuData ImagesBaseURL="images/">
) ):w`^6 <MenuGroup>
:8U@KABH@h <MenuItem Label="内参信息" URL="Infomation.aspx" >
2Yg\<PsN <MenuGroup ID="BBC">
Uy<n7*H <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
p7Z/%~0v: <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
>AW&Lfw$ ......
z{nd4qOsD 7!JBF{,= 最好将你的aspnetmenu升级到1.2版
Pv\-D<&@m oO9yI^ 21.读取DataGrid控件TextBox值
~H:.&'E foreach(DataGrid dgi in yourDataGrid.Items)
?:3rVfO {
:'sMrf_EA TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
i2!0bY tb.Text....
2+|U!X }
.$ xTX' il7gk< 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?
J+=?taZ K1t>5zm 〖思归〗
V U~r~ <asp:TemplateColumn HeaderText="数量">
COcS
w <ItemTemplate>
mW1T4rR' <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Hlz$@[$ onkeyup="javascript:DoCal()"
\J6&Z13Q />
r#w.yg4EX z
q@"qnr <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
9`Xr7gmQf </ItemTemplate>
DI=?{A </asp:TemplateColumn>
.50ql[En
AtP!.p"j <asp:TemplateColumn HeaderText="单价">
P9M. J^< <ItemTemplate>
ASa)xf9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
[#2X onkeyup="javascript:DoCal()"
5>>JQ2'W />
s} oD?h:T3 `%$+rbo~ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
sV`p3L8pl i!+0''i{# </ItemTemplate>
<+:
PTG/(' </asp:TemplateColumn>
Xj$'i/=-+c R_Uy.0=4 <asp:TemplateColumn HeaderText="金额">
ycrM8Mu
3 <ItemTemplate>
MI>_wG5P@ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
HxNoV.q </ItemTemplate>
!Aw.)<teW </asp:TemplateColumn><script language="javascript">
#,;Q|)AD:e function DoCal()
SA{5A 1 {
ddw^oU var e = event.srcElement;
!BN@cc[% var row = e.parentNode.parentNode;
J#?z/ 3v( var txts = row.all.tags("INPUT");
8b< 'jft if (!txts.length || txts.length < 3)
|b+CXEzo return;
QW2SFpE %VS+?4ww var q = txts[txts.length-3].value;
M 9KoQS var p = txts[txts.length-2].value;
HJ;!'@ VVk8z6W if (isNaN(q) || isNaN(p))
MGsY3~!K return;
m:c .dei5 newURb,-! q = parseInt(q);
@cn8 m p = parseFloat(p);
u6iX&%e 40%<E txts[txts.length-1].value = (q * p).toFixed(2);
c. }#.-b8 }
z7R2viR[ </script>
a&<_M$J& ,OBJ>_5 .DHQJ|J-1 cg^=F_h xo#K_"E 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
=$uSa7t# page_load
F87c?Vh)K page.smartNavigation=true
6!v$"u|[!' Rl n% Y 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 ?
eDsc_5I private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
0+Q;a {
URj2 evYW for(int i=0;i<e.Item.Cells.Count-1;i++)
K$5mDScoJ if(e.Item.ItemType==ListItemType.EditType)
sv2XD}} {
Vj6w7hz e.Item.Cells.Attributes.Add("Width", "80px")
l]S% k& }
?fQ8Ff }
HH|N~pBJB 5?8jj 26.对话框
o`{^ptu1q private static string ScriptBegin = "<script language=\"JavaScript\">";
apWv+A private static string ScriptEnd = "</script>";
v>sjS3 O#Ho08*Xn public static void ConfirmMessageBox(string PageTarget,string Content)
8B3C[? {
O8/r-?4. string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
YA~`R~9d U;LX"'} ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
bd)Sb? FA1h!Vit Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
8BX9JoDi ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
2j=HxE //Response.Write(strScript);
@Wa, }
8p PQ h=dFSK?*D 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
YtA<4XHU # aIV\G 1.1 取当前年月日时分秒
(BIg currentTime=System.DateTime.Now;
_eUd
RL> ex8}./mjJ 1.2 取当前年
*z)+'D*+ int 年= DateTime.Now.Year;
R6\|:mI,$ A5RM&y 1.3 取当前月
(= Wu5H int 月= DateTime.Now.Month;
=,Z5F`d4 HEm XB= 1.4 取当前日
Wcki=ac\v! int 日= DateTime.Now.Day;
x| r# .qrS[ w 1.5 取当前时
a"phwCc"% int 时= DateTime.Now.Hour;
0](V@F"~ 3z
-="_p 1.6 取当前分
t!o=-k int 分= DateTime.Now.Minute;
K9) |b`E= qE M,~:lTn 1.7 取当前秒
petq6)g? int 秒= DateTime.Now.Second;
=h[;'v{ ?gG%FzfQ/ 1.8 取当前毫秒
$'COsiK7 int 毫秒= DateTime.Now.Millisecond;
)p[Qj58 (/A
6kp? 28.自定义分页代码:
](>YjE0 gQuU_dbXSB 先定义变量 :
(8Te{K h' public static int pageCount; //总页面数
zin'&G>l public static int curPageIndex=1; //当前页面
X 1}U aEdc8i? 下一页:
spma\,o if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
ftP]WGSS> {
OZ}o||/Rc DataGrid1.CurrentPageIndex += 1;
\omfWWpK curPageIndex+=1;
fkD-mRKw }
@*iT%p_L [#+klP$ bind(); // DataGrid1数据绑定函数
=H?^G[ y cX|(/h,W/ 上一页:
Wt!8.d}= if(DataGrid1.CurrentPageIndex >0)
"B*UZ.cC {
-*W\$P DataGrid1.CurrentPageIndex += 1;
QT\"r T9# curPageIndex-=1;
@^nE^; }
dm"|\7 %9_jF" bind(); // DataGrid1数据绑定函数
W/u_<\ E+~1GKd 直接页面跳转:
6<No_x |_ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
"MgTfUIiyD 2D4c|R@+ if(a<DataGrid1.PageCount)
Ie4Xk {
+Oc |Oo this.DataGrid1.CurrentPageIndex=a;
+HoCG;C{ }
DiSU\?N2' ai;- _M+$ bind();
a<P?4tbF V@\A<q%jTs 29.DataGrid使用:
rDC=rG LcGG~P|ML 添加删除确认:
As(6E}{S private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
x{1S!A^ {
)V9wU1. foreach(DataGridItem di in this.DataGrid1.Items)
A4Tjfc,rx9 {
+4V"&S|& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
vGD D {
{emym$we ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
v[<;z(7Qk }
Je=k.pO1 }
B4w/cIj_ }
`\Te, |yi#6!}^ 样式交替:
nmClP ListItemType itemType = e.Item.ItemType;
6<{SbE|G{ j Kp79]. if (itemType == ListItemType.Item )
d+%Rg\v {
t ]P^6jw' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
e?fA3Fug e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
D()tP }
ABU~V+'2 else if( itemType == ListItemType.AlternatingItem)
=[YjIWr#o {
/8LTM|( e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
SFVqUg3"Z e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
E$s?) }
,XsBm+Q( ]".SW5b_ 添加一个编号列:
7?qRz DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
sYd)r%%AU DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
d1u6*&@lf 7xCm"jgP for(int i=0;i<dt.Rows.Count;i++)
y
hNy {
5wa!pR\c dt.Rows["number"]=(i+1).ToString();
IV|})[n* }
}!jn%@_y@ hd#MV!ti DataGrid1.DataSource=dt;
LteZ7e DataGrid1.DataBind();
&'W ~~ir oZw #]Q@ DataGrid1中添加一个CheckBox,页面中添加一个全选框
>"pHk@AW K private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Wqas1yL_ {
r%xf=}; foreach(DataGridItem thisitem in DataGrid1.Items)
#>O+!IH {
:$N{NChx ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
yu$xQ~ o }
B\6%.R }
DB.)/(zWQ ~iU@ns|g\ 将当前页面中DataGrid1显示的数据全部删除
M+Eg{^ q` foreach(DataGridItem thisitem in DataGrid1.Items)
KdLj1T {
UI74RP if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
U9x6\Iy {
;#ElJXS string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
R;H>#caJ Del (strloginid); //删除函数
ApqNV }
lBNB8c0e"{ }
kB]*2o9-3 [ Ru( H 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)
D[<~^R;* epxbTJfc 在Application_Start中添加以下代码:
bs?&;R.5 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
2;`WI:nt AppSettings["ConnStr"].ToString();
DQ%(X&k 1NQU96 31. 变量.ToString()
eRB
K= X xs$.EY:k 字符型转换 转为字符串
X?n($z/{ 12345.ToString("n"); //生成 12,345.00
pu
Z0_1uN 12345.ToString("C"); //生成 ¥12,345.00
zC>zkFT>H 12345.ToString("e"); //生成 1.234500e+004
m" c6^)U 12345.ToString("f4"); //生成 12345.0000
HKG8X=" 12345.ToString("x"); //生成 3039 (16进制)
ant#bDb/ 12345.ToString("p"); //生成 1,234,500.00%
d% Nx/DS) i} ?\K>BWq 32、变量.Substring(参数1,参数2);
j&"GE':Y ].3@ Dk 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);
@%rj1Gn +=#@1k~ 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)
%(izKJl q <SCRIPT language="javascript">
KqFiS9 N5 <!--
_!^2A3c< function gook(pws)
Y(h(Z {
:\"g}AX frm.submit();
c<imqDf }
z?.XVk- //-->
-e_B /R[PsB </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
EL;OYW( <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
]vZ}4Xno <tr>
M
nDaag <td>
"rR$2`v" <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
5~=wia <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
gwN
y]! <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
X{;5jnpG CzG/=#IU <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
!s47A"O&B <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Y!3i3D V*1-wg5> </td>
06>+loBG PvVn}i </tr>
XseP[ [A#>G4a< </form>
7WEoyd t[X,m]SX 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。
Sbjc8V ut PAs.T4Av^ 下面是获取用户输入的登陆信息的代码:
R6qC0@* string name;
,Zb_Pu name=Request.QueryString["EmailName"];
.5+5ca #E@X'jwu try
1-?TjR {
0{sYD*gK] int a=name.IndexOf("@",0,name.Length);
>3)AO04=; f_user.Value=name.Substring(0,a);
z-;yDB:~t f_domain.Value=name.Substring(a+1,name.Length-(a+1));
oL*ZfF3 f_pass.Value=Request.QueryString["Psw"];
e4Xo(EY & }
yr34&M(a xQ\S!py- catch
s -),Pv| {
T#D*B]oZ} Script.Alert("错误的邮箱!");
+ wF5( Server.Transfer("index.aspx");
Rmh u"N/q }