1. 打开新的窗口并传送参数:
LvYB7<zk> gt w Q- 传送参数:
t}tEvh response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
07=mj%yV uOdl*| T? 接收参数:
"|KP'<8% string a = Request.QueryString("id");
Jma1N;d string b = Request.QueryString("id1");
S#}
KIy fZA4q0 2.为按钮添加对话框
%vi<Aseg Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Vj>8a)"B5a button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v^+Sh|z/ Qv/=&_6 3.删除表格选定记录
/%A*aGyIc int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
U}j0D2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
qPfQy
mUF,@>o 4.删除表格记录警告
hODWB&b private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
/FEVmH?
{
pBA7,z"`mP switch(e.Item.ItemType)
sYf~c0${ {
&H:(z4/ case ListItemType.Item :
[87,s.MK case ListItemType.AlternatingItem :
jPW#(3hoE case ListItemType.EditItem:
SQt4v" TableCell myTableCell;
]}2ZttQ? myTableCell = e.Item.Cells[14];
ChXq4] LinkButton myDeleteButton ;
y>e.~5; myDeleteButton = (LinkButton)myTableCell.Controls[0];
r<Kx0`y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
ZoZ|Ma break;
(n9gkO&8" default:
$43qME break;
qR+!l( }
I,@6J(9 =h73s0] }
Y#$%iF :y jKL^G> 5.点击表格行链接另一页
~|xA4u5LG private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@A^;jk {
2u*KM`fa` //点击表格打开
Ffta](Z; if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_&ks1cw e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
m<"WDU?y; }
Bad:no\W ,0HRAmG
双击表格连接到另一页
`
3K)GA __GqQUQ 在itemDataBind事件中
i3'9>"` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d-r@E3 {
l u%}h7ng string OrderItemID =e.item.cells[1].Text;
h
Pa_VrH ...
:I^;jdL e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
AvV|(K" }
eu|;eP-+d {v;&5! s 双击表格打开新一页
d8=x0~7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
o;<Xo& {
l(tOe string OrderItemID =e.item.cells[1].Text;
G`BU=Fi ...
$Kncvu e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
g0Gf6o>2 }
_k~KZ;l I5n^,@md ★特别注意:【?id=】 处不能为 【?id =】
T\j{Bi5 \J 6.表格超连接列传递参数
h2J/c#Qvh <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
k:F9. j%* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
@?
QoF#D 9}F*P669f 7.表格点击改变颜色
(~wqa 3 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
P0j8- I {
W~9tKT4 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}"PU%+J this.style.color=’buttontext’;this.style.cursor=’default’;");
[)zP6\I }
K<Iv:5-2
sAS:-wp 写在DataGrid的_ItemDataBound里
PV\+P6aIb if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9s$CA4?HP {
*<jAiB,O* e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
D" rK( this.style.color=’buttontext’;this.style.cursor=’default’;");
g<f <Ip= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
+&( Mgbna }
y8!4q LzXmb 7A @As[k2 8.关于日期格式
RcM/!,B <vh/4 日期格式设定
CpeU5 o@ DataFormatString="{0:yyyy-MM-dd}"
!1DKLQ *4+"Lh.KS 我觉得应该在itembound事件中
evAMJ= e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
eWtZ]kB .C(eh
9.获取错误信息并到指定页面
]#l/2V1 4Thn])%I 不要使用Response.Redirect,而应该使用Server.Transfer
uU <=d q6SXWT'Sa e.g
M&@b><B // in global.asax
vss(twg protected void Application_Error(Object sender, EventArgs e) {
;q:zT\A if (Server.GetLastError() is HttpUnhandledException)
1V4s<m># Server.Transfer("MyErrorPage.aspx");
zHL@i0>^ MgOR2,cR //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
/VS[pXXT| }
1#*a:F&re Gh}LlX!w 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
XY)&}u. =;3Sx::= 10.清空Cookie
+ SFVv_n Cookie.Expires=[DateTime];
G_{&sa Response.Cookies("UserName").Expires = 0
iZNts%Y] pP?MWe
Eg 11.自定义异常处理
X4AyX.p //自定义异常处理类
!\i\}feb using System;
+!z{5: using System.Diagnostics;
\h D dU+ :xD=`ib namespace MyAppException
~\.w^*$#Y {
QM
O!v; /// <summary>
%Nhx;{ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ng:9 l3x /// 自动将异常内容记录到Windows NT/2000的应用程序日志
:x{NBvUIc /// </summary>
Q`D~5ci public class AppException:System.ApplicationException
V7[zAq {
"@d[h ,TM public AppException()
jbu8~\" {
IOoz^/' if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
P%=#^T&`} }
f3{MvAy[ `V"sOTb public AppException(string message)
x2z;6) {
kc @[9eV LogEvent(message);
/.i.TQ] }
Y$Y_fjd_ {%{`l- public AppException(string message,Exception innerException)
pN9A{v( {
D
<&X_ LogEvent(message);
Eam if (innerException != null)
J-)
XQDD {
xY U.D+RY LogEvent(innerException.Message);
;._7jFj. }
N:tY":Hi }
\ZhfgE8{% @@rEs40 //日志记录类
@`Eg( using System;
^#1.l=s using System.Configuration;
_~tEw.fM5 using System.Diagnostics;
\eb|eN0i using System.IO;
RE=+Dz{ using System.Text;
E)7F\ w using System.Threading;
E}_[QEY;Y 7&"n`@(.! namespace MyEventLog
Ru>uL@w {
Ck@J,~x1D /// <summary>
3a 1 u /// 事件日志记录类,提供事件日志记录支持
n;p:=\uN /// <remarks>
Qb; d:@9 /// 定义了4个日志记录方法 (error, warning, info, trace)
Vc%R$E% /// </remarks>
E+ tB& /// </summary>
g'u?Rn7*J public class ApplicationLog
M$d%p6Cv {
RUUk
f({( /// <summary>
|vMpXiMxxT /// 将错误信息记录到Win2000/NT事件日志中
"zY](P /// <param name="message">需要记录的文本信息</param>
@]c(V%x /// </summary>
b}wC|\s public static void WriteError(String message)
N0w`!<y:c {
?@t d WriteLog(TraceLevel.Error, message);
o|iYd
n\ }
RQB]/D\BO $DC*i-}qFg /// <summary>
zT|)uP* /// 将警告信息记录到Win2000/NT事件日志中
2Nm>5l /// <param name="message">需要记录的文本信息</param>
'K*AV7>E /// </summary>
9lj!C' public static void WriteWarning(String message)
}Jh: 8BNuP {
p!V>XY'N^ WriteLog(TraceLevel.Warning, message);
{d%&zvJnD }
)wtaKF.- m8JR@!t7 /// <summary>
r-IVb&uFb /// 将提示信息记录到Win2000/NT事件日志中
lvpc*d|K /// <param name="message">需要记录的文本信息</param>
70Yjv1i /// </summary>
ow;R$5G public static void WriteInfo(String message)
LrV{j?2@ {
$RwB_F WriteLog(TraceLevel.Info, message);
q7m6&2$[ }
>Aq870n /// <summary>
W Qzj[ /// 将跟踪信息记录到Win2000/NT事件日志中
]$
b<Gs /// <param name="message">需要记录的文本信息</param>
lE
;jCN /// </summary>
LsGiu9~S public static void WriteTrace(String message)
tPyyZ#, {
~;OYtz WriteLog(TraceLevel.Verbose, message);
N_Af3R1_ }
eL.7#SIr} h2;z4 /// <summary>
&>jAe_{", /// 格式化记录到事件日志的文本信息格式
TfZ6F8|B /// <param name="ex">需要格式化的异常对象</param>
a!c[! /// <param name="catchInfo">异常信息标题字符串.</param>
a>B[5I5 /// <retvalue>
_0 snAt^iC /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
v)kEyX'K2d /// </retvalue>
F{\gc|!i /// </summary>
iG,t_?? public static String FormatException(Exception ex, String catchInfo)
|"$uRV=qm {
68'>Zbelb StringBuilder strBuilder = new StringBuilder();
Qc{RaMwD if (catchInfo != String.Empty)
w*w?S {
w[Ep*-yeI strBuilder.Append(catchInfo).Append("\r\n");
I#FF*@oeM }
z&$/EP- strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
dYojm1MQ return strBuilder.ToString();
z&3]%t
`C }
iY/KSX^~O 2#/p|$;Ec' /// <summary>
gglQU"=g{ /// 实际事件日志写入方法
QI!i /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
E)t /// <param name="messageText">要记录的文本.</param>
jB^OP1 /// </summary>
=j
/hl private static void WriteLog(TraceLevel level, String messageText)
vV`|!5x {
.Nx
W=79t try
[ij,RE7,T {
?&h3P8 EventLogEntryType LogEntryType;
L$Z(+6m5 switch (level)
PG)_L.7rJ {
;
a/cty0Ch case TraceLevel.Error:
F}rPY: LogEntryType = EventLogEntryType.Error;
-Ubj6 t_K break;
3On
JWuVfZ case TraceLevel.Warning:
KLt%[$CTi LogEntryType = EventLogEntryType.Warning;
?9u4a_x break;
/'>;JF case TraceLevel.Info:
_&
4its LogEntryType = EventLogEntryType.Information;
^^$vR[7 break;
bEr.nF case TraceLevel.Verbose:
'%3{jc-} LogEntryType = EventLogEntryType.SuccessAudit;
%N~CvN@T break;
<e6=% 9 default:
6|;0ax4:P LogEntryType = EventLogEntryType.SuccessAudit;
%7`d/dgR break;
-%uy63LbHF }
!J.rM5K $M]%vG EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:+kUkb-/ //写入事件日志
3GmK3uM eventLog.WriteEntry(messageText, LogEntryType);
+6%7CC 6 D$_8rHc\A }
~!
Lw1]& catch {} //忽略任何异常
JY4_v>Aob }
lfMH1llx } //class ApplicationLog
2_olT_# }
8 G?b.NE^ Rx.
rj~ 12.Panel 横向滚动,纵向自动扩展
tvWH04T <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
hrlCKL& q lY\*{x4 13.回车转换成Tab
rZ866\0 <script language="javascript" for="document" event="onkeydown">
+IsWI;lp if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6IF|3@yD event.keyCode=9;
]b\WaS8I </script>
ucFw,sB1 *Ypq q onkeydown="if(event.keyCode==13) event.keyCode=9"
A1!:BC M]s[ "0O 14.DataGrid超级连接列
S1>Z6 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
GHrBK& 'o8\`\'H! 15.DataGrid行随鼠标变色
bf^ly6ml
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
L9'- {
fbL!=]A*3 if (e.Item.ItemType!=ListItemType.Header)
&(\@sxAyZ {
LI$L9eNv;Y e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
T.euoFU{Z e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}Ch[|D=Wd6 }
3z$\&&
BR }
gx&7 3f<J $pBr
&, 16.模板列
tYI]=: <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
]*h&hsS0 <ITEMTEMPLATE>
]J~g'"> <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
h&'J+b </ITEMTEMPLATE>
i-Ljff </ASP:TEMPLATECOLUMN>
"]9_Fv a j_:|]j <ASP:TEMPLATECOLUMN headertext="选中">
Kk56/(_S <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
].c@Gm_( <ITEMTEMPLATE>
_PdAN= C3 <ASP:CHECKBOX id="chkExport" runat="server" />
6A@Lj*:2m </ITEMTEMPLATE>
bAdAp W <EDITITEMTEMPLATE>
V'$oTZ` <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
IM|Se4;x </EDITITEMTEMPLATE>
9M19UP& </ASP:TEMPLATECOLUMN>
|3W3+Rn! i&B?4J) 后台代码
Dl@{}9 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
<X9T-b"$h {
>fhSaeN //改变列的选定,实现全选或全不选。
_fe0, CheckBox chkExport ;
PH{c, if( CheckAll.Checked)
<y'qo8oqF {
(#lm#?<) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
se"um5N- {
oO}>i0ax* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
u<J2p?`\&` chkExport.Checked = true;
S So~.)J }
.w=:+msL{( }
G-Zr M else
Ed8U;U b {
tzP@3+.w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
)62q|c9F {
`=PB2' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`mWQWx$V! chkExport.Checked = false;
/7S-|%1 }
QJniM"8v }
yDDghW'\WU }
H{&a)!Ms MJpP!a^Q 17.数字格式化
I}I}K~se* &3+1D1"y/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
-(|7`U <%#Container.DataItem("price","{0:¥#,##0.00}")%>
1NB2y[ Uv#>d}P int i=123456;
m7weR>aS4 string s=i.ToString("###,###.00");
#%9oQ6nO `S uS)RhA) 18.日期格式化
^M[-K`c } MLEIx() 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
w50.gr7 yd{Y}. 显示为: 2004-8-11 19:44:28
;Hz`0V mRg ,A\ 我只想要:2004-8-11 】
1D3dYVE <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
1oXz[V - I1cAt 应该如何改?
m? ]zomP Y#Sd2h,^X 【格式化日期】
EIy]qAE:f v ^ FV
t 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
.If"'hMY ui0J}DM 【日期的验证表达式】
e3oYy#QNk Q>06dO~z8 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
oho AUT ^((\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})))?$
ZQgxrZx3 zyQ,unu B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
D]LFX/hlH ^\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]))$
fwar8
i1 wz|Q%.%?[ 【大小写转换】
0%q{UW2 HttpUtility.HtmlEncode(string);
Q0[CH~ HttpUtility.HtmlDecode(string)
6qmo
ZAg hSLwiX~ 19.如何设定全局变量
troy^H tq4"QBIKh Global.asax中
[E..VesrM g9grfN Application_Start()事件中
x3p;H02i\ a3(7{,Ew 添加Application[属性名] = xxx;
D!OG307P Hz;jJ&S 就是你的全局变量
nEZ-h7lzl( Pv/%s) &y& 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
f"Vm'0r yC&b-y HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
><:lUt*N2 H*:r>Lm= 【ASPNETMENU】点击菜单项弹出新窗口
zwniS6R1 y[ rB" 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
@poMK: <?xml version="1.0" encoding="GB2312"?>
O. .@<. <MenuData ImagesBaseURL="images/">
^|:{,d#Y <MenuGroup>
#u]_7/(</` <MenuItem Label="内参信息" URL="Infomation.aspx" >
\8@[bpI@g <MenuGroup ID="BBC">
:n%sU*'T <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
qkR,<"C|` <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
GQ8Dj!8 ......
;29X vhS8 Q e2/4j4 最好将你的aspnetmenu升级到1.2版
=+sIX3 uN?O*h/( 21.读取DataGrid控件TextBox值
"n2xn%t{ foreach(DataGrid dgi in yourDataGrid.Items)
#uR q] 'P {
Al-%j- j@- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
e>i8 =U`; tb.Text....
d8y=. }
~%!U,)- 4|o{_g[ 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?
JEkIbf?=r *"9)a6T
t+ 〖思归〗
1{fwr1b <asp:TemplateColumn HeaderText="数量">
5l7L@Ey <ItemTemplate>
sR0e&Y <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Lq8Z!AIw> onkeyup="javascript:DoCal()"
vS,G<V3B />
d_?Zr`: 0f}Q~d=QL <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
PTc\I </ItemTemplate>
kBQenMm </asp:TemplateColumn>
&.bR1wX }W>[OY0^A <asp:TemplateColumn HeaderText="单价">
JgjL$n;F <ItemTemplate>
iJj?~\zp <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
$}"Wta onkeyup="javascript:DoCal()"
%K f. F />
W/F4wEODY %JH_Nw.P <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
~b<4>"7y. :8!3*C-= </ItemTemplate>
'jl XLb </asp:TemplateColumn>
[ BC%$Sj 1AkHig, <asp:TemplateColumn HeaderText="金额">
N(/<qv <ItemTemplate>
8&[<pbN) <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
"Ohpb!J9 </ItemTemplate>
#1hz=~YO </asp:TemplateColumn><script language="javascript">
Am`A[rV0 function DoCal()
GBOmVQ $Hb {
TdOWdPvYj var e = event.srcElement;
AT'$VCYC( var row = e.parentNode.parentNode;
)tQ6rd' var txts = row.all.tags("INPUT");
*SG2k .$ if (!txts.length || txts.length < 3)
}Z$G=;3# return;
&)}:Y!qiu kvVz-PJy var q = txts[txts.length-3].value;
zZ0V6T} var p = txts[txts.length-2].value;
6f9<&dCK ITY!=>S- if (isNaN(q) || isNaN(p))
v2=!* return;
\#c+vfq ,
p=8tf# q = parseInt(q);
v?=VZ~`O( p = parseFloat(p);
GYmB xX87 bc}OmPE txts[txts.length-1].value = (q * p).toFixed(2);
HD^~4\% }
V>j` </script>
{ RX| Bo(l !G g;Q^_4@ 9s6lt#?b $ttr_4= 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
&{{f|o=u. page_load
0c6AQP"=V page.smartNavigation=true
i4Cb&h^ w3UJw 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
t|"d#5' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
a8P6-)W {
#{cpG2Rs for(int i=0;i<e.Item.Cells.Count-1;i++)
6U3@-+lF if(e.Item.ItemType==ListItemType.EditType)
qfe%\krN{i {
MpvA-- e.Item.Cells.Attributes.Add("Width", "80px")
/s_$CSiB }
A'R sy6 }
m;1e xa >{=RQgGy 26.对话框
`g1~ya(MC private static string ScriptBegin = "<script language=\"JavaScript\">";
3<E$m* private static string ScriptEnd = "</script>";
Q'M Ez l@jJJ)Qyk public static void ConfirmMessageBox(string PageTarget,string Content)
2b` M(QL {
[6qP; string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
J0plQDe pD/S\E0@t ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Qt39H@c|z~ dPX>A4wp Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
WF0>R^SpZ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
h"S/D[ //Response.Write(strScript);
l'f!za0 }
I2Rp=L:z5 C(+BrIS* 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
rnaDo\5 pU/.|Sh 1.1 取当前年月日时分秒
:M`BVZ1t currentTime=System.DateTime.Now;
oI/ThM`=q ["/x~\c'N 1.2 取当前年
@>ZjeDG> int 年= DateTime.Now.Year;
1nmWL0 gC 4#!P 1.3 取当前月
v[GHqZ int 月= DateTime.Now.Month;
\Y p
oJ!- SQx):L)P6 1.4 取当前日
z<*]h^!3 int 日= DateTime.Now.Day;
;hDr+&J| &[pwLYf7 1.5 取当前时
t]XJq int 时= DateTime.Now.Hour;
cxdM!L; ` #YdU,y=B 1.6 取当前分
x$I>e int 分= DateTime.Now.Minute;
M?lr#}d fOAb?:D 1.7 取当前秒
LPF?\mf ^4 int 秒= DateTime.Now.Second;
V:18]: G=e[TR)i 1.8 取当前毫秒
}X-ggO, int 毫秒= DateTime.Now.Millisecond;
#u^d3
$Nj L4%LE/t|e 28.自定义分页代码:
eH6cBX#P. ~~mQ 先定义变量 :
g-36Q~`9v public static int pageCount; //总页面数
&baY[[N public static int curPageIndex=1; //当前页面
u)-l+U. Sq>UMfl& 下一页:
O8%/Id if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
`PfC:L {
ML-g"wv DataGrid1.CurrentPageIndex += 1;
iDr0_y*t curPageIndex+=1;
M*%Z5,Tc }
~MF. M8 ~7g6o^A> bind(); // DataGrid1数据绑定函数
t|%ul6{gz \&fK 8H1 上一页:
gO%3~f!vY# if(DataGrid1.CurrentPageIndex >0)
%VCHM GP= {
?fGY,<c DataGrid1.CurrentPageIndex += 1;
NG ~sE&,7 curPageIndex-=1;
KMa?2cJH# }
"-
AiC6u I6+5 mv\ bind(); // DataGrid1数据绑定函数
u}$3.]-.?T TQE_zOa: 直接页面跳转:
Ox RzKT int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
K9c:K/H f|!zjX` if(a<DataGrid1.PageCount)
?~"RCZ[;.f {
udMq>s; this.DataGrid1.CurrentPageIndex=a;
c)?y3LX }
0:nyOx(; ?]S*=6 bind();
kq+L63fZ zKo,B/Ke4 29.DataGrid使用:
wXe.zLQ G9;WO* 添加删除确认:
Ad(j&P private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
sqhM[u
k {
74_ji! foreach(DataGridItem di in this.DataGrid1.Items)
t5S S] {
pV_2JXM~@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
^VD14V3 {
NeYj[Q~xy ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
o}BaZ|iZ2 }
GKX#-zsh79 }
?o2L }
Lq:Z='Kc ?(Nls.c 样式交替:
V<b"jCXI ListItemType itemType = e.Item.ItemType;
IsI\T8yfc >Tw|SK+3 if (itemType == ListItemType.Item )
ffd yDUzQ {
,Ao8QN e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
WK-WA$7\ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
dbw`E"g }
Vx'_fb?wap else if( itemType == ListItemType.AlternatingItem)
<3'r&ks {
_ 95V"h e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
>Py=H+d!j e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
,{$:Q}` }
fU,sn5zZ X=lOwPvP 添加一个编号列:
o}<}zTU DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
6:Ra3!V"v DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
;L|%H/SH WSL_Dc for(int i=0;i<dt.Rows.Count;i++)
wJip{ {
z"|^Y|`m dt.Rows["number"]=(i+1).ToString();
u>}k+8~ }
jlItPdCv BDpeAF8z DataGrid1.DataSource=dt;
W,:*` DataGrid1.DataBind();
g9g^zd, 1qtu,yIf DataGrid1中添加一个CheckBox,页面中添加一个全选框
M(xd:Fa? private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
WI' ;e4 {
|nIm$ p' foreach(DataGridItem thisitem in DataGrid1.Items)
to2dkU {
-
3kg,=HU; ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
K[O'@v }
#7GbG\ }
Z3)1!|#Q l:%4@t` 将当前页面中DataGrid1显示的数据全部删除
w`q):yXX foreach(DataGridItem thisitem in DataGrid1.Items)
h5>JBLawQP {
"*a^_tsT?i if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
d?S7E
q9` {
(bY#!16C: string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
v[\'
M Del (strloginid); //删除函数
CNQ>J`4 }
+Ccj@#M; }
G<U MZg w|7<y8#qC 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)
*%bQ p u?r=;:N|y 在Application_Start中添加以下代码:
1 :<f[l Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
&N.D!7X AppSettings["ConnStr"].ToString();
fo@2@ bd_&=VLTC 31. 变量.ToString()
\L Gj]mb1 LR|L P)I 字符型转换 转为字符串
gZ8n[zxf6 12345.ToString("n"); //生成 12,345.00
8bd&XieE 12345.ToString("C"); //生成 ¥12,345.00
W6:ei.d+NS 12345.ToString("e"); //生成 1.234500e+004
B@U;[cO& 12345.ToString("f4"); //生成 12345.0000
)*Xd 12345.ToString("x"); //生成 3039 (16进制)
74i 12345.ToString("p"); //生成 1,234,500.00%
Fg;V6s/>ts {@ ygq-TZ 32、变量.Substring(参数1,参数2);
c0h:Vqk- ZUPlMHc 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);
1w*DU9f ,e<(8@BBL 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)
I:?1(.kd2- <SCRIPT language="javascript">
w_4/::K* <!--
HY|=Z\l" function gook(pws)
?(rJ {
p}I,!~}
frm.submit();
av~dH=&= }
>LS*G
qjq //-->
%\<SSp^n %an"cQ
] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ZxW4 i <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
<Wqk5mR <tr>
pH!e<m <td>
vG;)(.: <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
1HPYW7jk@" <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
cVk&Yp;[* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
,z8<[Q-# 8y:c3jzP_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
vOMmsU F <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
zPWJ=T@N $w%n\t>B </td>
5^:N]Mp" n^kszIu~ </tr>
?7n(6kmj4Q OZ,%T9vP </form>
`*Ar6 @-9u;aL 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
9'tOF 6<E4?<O% 下面是获取用户输入的登陆信息的代码:
%UV'HcO/gp string name;
ea7l:(C
name=Request.QueryString["EmailName"];
P01o: /} ~ 8hAmM try
`VJJ"v<L {
/1s|FI$-L int a=name.IndexOf("@",0,name.Length);
n+Bh-a V f_user.Value=name.Substring(0,a);
?<7o\Xk#{ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
~k}>CNTr f_pass.Value=Request.QueryString["Psw"];
'8 O(J7J }
=[X..<bW9: /d<"{\o catch
Y bX3_N& {
zzq7?]D Script.Alert("错误的邮箱!");
XnBpL6"T` Server.Transfer("index.aspx");
{i}z|'! }