1. 打开新的窗口并传送参数:
C-wwQbdG/ G,jv Mb`+ 传送参数:
C(w?`]Qs response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
R,3E_me"} iCz0T, 接收参数:
q,e{t#t string a = Request.QueryString("id");
nqp:nw string b = Request.QueryString("id1");
/mdPYV #F>7@N:5 2.为按钮添加对话框
<5Ye')+ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
os:/-A_m button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
] ^f7s36 [H~Yg2O 3.删除表格选定记录
gKp5* int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
S%NS7$`a string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
M-#OPj* Lg;b17 4.删除表格记录警告
y15 MWZ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
KC"# {
%1Ex{H hb switch(e.Item.ItemType)
"PFczoRZ {
E?VPCx case ListItemType.Item :
| c:E)S\ case ListItemType.AlternatingItem :
R04%;p:k# case ListItemType.EditItem:
k!&G; 6O- TableCell myTableCell;
FJ/>=2^B myTableCell = e.Item.Cells[14];
Z$UPLg3=;_ LinkButton myDeleteButton ;
2&e2/KEWR myDeleteButton = (LinkButton)myTableCell.Controls[0];
\+?>KpE,b myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
[RAzKzC\M break;
Fi7G S; default:
'zRi;:UHA break;
$ 8"we }
a\K__NCrX tQ,,krw~ }
Z.4 vKO[< c
`[,> 5.点击表格行链接另一页
V6c>1nZ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*Ce8(
"v, {
1v<,nABuJ6 //点击表格打开
@yGK$<R if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`[OJ)tHE e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ZWtlO P#] }
/w!!jj^ ;)6LX- 双击表格连接到另一页
MD"a%H#p bF 85T(G 在itemDataBind事件中
)aV\=a |A if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"mbjS(-eg {
A#b`{C~l string OrderItemID =e.item.cells[1].Text;
*btLd7c% ...
!=)R+g6b e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
$uPM.mPFE }
sp&s
5aw ;s^br17z~ 双击表格打开新一页
WfdM~k\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3?}\Hw {
31y>/*} string OrderItemID =e.item.cells[1].Text;
8\AyKw ...
bNH72gX2Yh e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
o@6hlLr }
N7wKaezE dy}O6 ★特别注意:【?id=】 处不能为 【?id =】
vU4Gw4 6.表格超连接列传递参数
0mb|JoE( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
tny^sG/' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Ky r3)1#J O_E\(So 7.表格点击改变颜色
0xN1Xm0d if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
W[$GB_A) {
=DL
|Q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
:
\{>+!`w this.style.color=’buttontext’;this.style.cursor=’default’;");
=7e|e6 }
4 !q4WQ ; .wdWs tQ 写在DataGrid的_ItemDataBound里
!nm[ZrSP if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
I^u$H& {
!,SGKLs.m e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
A"Prgf
eT this.style.color=’buttontext’;this.style.cursor=’default’;");
Fm{/&U^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
71RG1, }
@|=JXSr!KY X\=m b`9J1p.; 8.关于日期格式
,k9@%{4 l (G E) 日期格式设定
u|G&CV#r DataFormatString="{0:yyyy-MM-dd}"
j;BMuLTm1
7U3b YU~; 我觉得应该在itembound事件中
#1-2)ZO. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
w !5@PJ)~U D*nNu]|j 9.获取错误信息并到指定页面
.uoQ@3 ,/bSa/x` 不要使用Response.Redirect,而应该使用Server.Transfer
bG|aQ2HW 5z T~/6-( e.g
]Qu.-F#g // in global.asax
"mk4O4dF protected void Application_Error(Object sender, EventArgs e) {
tM%
f#O if (Server.GetLastError() is HttpUnhandledException)
u@@0YUa Server.Transfer("MyErrorPage.aspx");
7CGxM G1!yPQa7d //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
l%f&vOcd }
].!^BYNht ytDp
4x<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
76} a `R\nw)xq 10.清空Cookie
z5>
{(iY;, Cookie.Expires=[DateTime];
+=N!37+G Response.Cookies("UserName").Expires = 0
=JR6-A1> 5PRS|R7 11.自定义异常处理
>RTmfV //自定义异常处理类
7GFE5>H using System;
Jc3Z1 Tt using System.Diagnostics;
hoDE*>i d3IMQ_k namespace MyAppException
2_i9
q>I {
j "^V?e5 /// <summary>
yu~o9 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
AeZ__X /// 自动将异常内容记录到Windows NT/2000的应用程序日志
O'WBO" /// </summary>
y8!#G-d5 public class AppException:System.ApplicationException
lQq&tz, {
k$NNpv&;d
public AppException()
3=
q,k<=L {
y-1!@|l0:6 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
J^Mq4& }
v90)G8|q jG E=7 public AppException(string message)
{\P`-'C {
IQm[,Fh LogEvent(message);
Twi7g3}/jB }
Vzmw%f)_+
7<Yf public AppException(string message,Exception innerException)
L3@upb {
Ld9YbL: LogEvent(message);
$*k9e ^{S if (innerException != null)
I\8F.J1_ {
CI}zu;4| LogEvent(innerException.Message);
4H]~ ]?F& }
lG>,&( }
bzC|aUGM 'LyEdlC] //日志记录类
U?[_ d using System;
p_g#iH!* using System.Configuration;
7C::%OF~7 using System.Diagnostics;
p!_3j^"{ using System.IO;
[2l2w[7Rid using System.Text;
<aPbKDF~V using System.Threading;
Osk'zFiL< WxrGoo^ namespace MyEventLog
g2|qGfl{C {
kgl7l?|O /// <summary>
&|
guPZ /// 事件日志记录类,提供事件日志记录支持
!VzbNJ&' /// <remarks>
+{5y,0R /// 定义了4个日志记录方法 (error, warning, info, trace)
Pc:5*H /// </remarks>
26D,(Y$* /// </summary>
b<]Ae!I' public class ApplicationLog
li +MnLt {
m8:9Uv /// <summary>
*pP&$!bH% /// 将错误信息记录到Win2000/NT事件日志中
<pXF$a:s /// <param name="message">需要记录的文本信息</param>
?r}'0dW /// </summary>
>Hd0l L public static void WriteError(String message)
~rl,Hr3Zo {
iu$:_W_ WriteLog(TraceLevel.Error, message);
$.0l% $ 7 }
L#>^R Fs}vI~} /// <summary>
1v
M'yr$ /// 将警告信息记录到Win2000/NT事件日志中
hUo}n>Aa /// <param name="message">需要记录的文本信息</param>
)/{zTg8$?/ /// </summary>
%0MvCm public static void WriteWarning(String message)
m,X8Cy|vQ {
^fq^s T.$ WriteLog(TraceLevel.Warning, message);
wa f)S= }
m5'nqy F [zw0'-h. /// <summary>
}Tz<fd/ /// 将提示信息记录到Win2000/NT事件日志中
^OZ*L e /// <param name="message">需要记录的文本信息</param>
=K:)%Qh /// </summary>
y~Ts9AE public static void WriteInfo(String message)
F39H@%R {
rQLl[a WriteLog(TraceLevel.Info, message);
E/:mO~1< c }
v\}s(X(J /// <summary>
a@v}j& /// 将跟踪信息记录到Win2000/NT事件日志中
@GyxOc@6 /// <param name="message">需要记录的文本信息</param>
hziPHuK9, /// </summary>
AC}[Qp! public static void WriteTrace(String message)
Tfow_t}\ {
vLT$oiN[c WriteLog(TraceLevel.Verbose, message);
tMDJ,rT }
D~T;z pS &WV&_z /// <summary>
|1/UC"f /// 格式化记录到事件日志的文本信息格式
A1p87o> /// <param name="ex">需要格式化的异常对象</param>
|]UR&* /// <param name="catchInfo">异常信息标题字符串.</param>
AbA_s I<; /// <retvalue>
*I<L1g%9d /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
sgfci{~ /// </retvalue>
@lhjO>@#I /// </summary>
3X:)r< public static String FormatException(Exception ex, String catchInfo)
F~Sw-b kSf {
3bBCA9^se StringBuilder strBuilder = new StringBuilder();
O]cuJp if (catchInfo != String.Empty)
k"$E|$ {
#O,;3S strBuilder.Append(catchInfo).Append("\r\n");
AA &>6JB{ }
|x+g5~$ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
{^*K@c return strBuilder.ToString();
r-8fvBZ5 }
=pnMV"'9 H/''lI{k) /// <summary>
m4_ZGjmJM /// 实际事件日志写入方法
sg9 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
z~($
" /// <param name="messageText">要记录的文本.</param>
g/(3D /// </summary>
k%Wj+\93f private static void WriteLog(TraceLevel level, String messageText)
EC`=nGF {
-PiakX try
MG-#p8 {
8k_cC$*Ng EventLogEntryType LogEntryType;
p6AF16*f0 switch (level)
MJugno {
7wz9x8 \t case TraceLevel.Error:
T8W;Lb9hQ LogEntryType = EventLogEntryType.Error;
E]c0+rh~ break;
}l<:^lX case TraceLevel.Warning:
ko+fJ&$ LogEntryType = EventLogEntryType.Warning;
r~YxtBZH+ break;
a\ZNN k case TraceLevel.Info:
SSn{,H8/j LogEntryType = EventLogEntryType.Information;
)N3XbbV break;
t b>At*tO case TraceLevel.Verbose:
'B9q&k%< LogEntryType = EventLogEntryType.SuccessAudit;
nw,XA0M3 break;
q(\kCUy! default:
mkuK$Mj LogEntryType = EventLogEntryType.SuccessAudit;
ZbfpMZ g break;
l>*L
Am5 }
^Rh`XE pB:/oHV EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
0Z1';A3 //写入事件日志
Id^)WEK4 eventLog.WriteEntry(messageText, LogEntryType);
&HB!6T/ |
{Tq/ }
lnQY_~s catch {} //忽略任何异常
IBYSI0 }
1"S~#
} //class ApplicationLog
P^^WViVX }
Y+nk:9 ' '<3;
12.Panel 横向滚动,纵向自动扩展
jT*?Z:U <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
L/xTW NiBly 13.回车转换成Tab
0q o]nw <script language="javascript" for="document" event="onkeydown">
;iO5
8S3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
k*K.ZS688 event.keyCode=9;
uJSzz:\ </script>
HlOn=>)< U(:Di]>{ onkeydown="if(event.keyCode==13) event.keyCode=9"
1b,MJ~g$ w&x$RP 14.DataGrid超级连接列
>Vph_98| DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
h'.B-y~c $&X-ay o 15.DataGrid行随鼠标变色
ows3% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
61Wh %8- {
.~,=?aq^ if (e.Item.ItemType!=ListItemType.Header)
r!;wKO {
k!py*noy e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.&2~gA e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
yY_#fJj }
,t
+sw4 }
~oz??SX Ejj+%)n. 16.模板列
lf\x`3Vd <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.`jYrW-k <ITEMTEMPLATE>
]cM,m2^2 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
s)G?5Gz </ITEMTEMPLATE>
7O,!67+^~ </ASP:TEMPLATECOLUMN>
Hm'aD2k r"!xI <ASP:TEMPLATECOLUMN headertext="选中">
R(f6uO!m <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
NA+7ey6 <ITEMTEMPLATE>
20/P:; <ASP:CHECKBOX id="chkExport" runat="server" />
l4ru0V8s7 </ITEMTEMPLATE>
hA1p# <EDITITEMTEMPLATE>
2
ZyO <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
1D1qOg"LE </EDITITEMTEMPLATE>
`L%<3/hF </ASP:TEMPLATECOLUMN>
1 %8JMq\ .'b|pd 后台代码
6w~Cyu4Ov protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\. a 7F4h {
BS3{TGn //改变列的选定,实现全选或全不选。
B+z>$6 CheckBox chkExport ;
WAf"| if( CheckAll.Checked)
.'NTy
R {
JCci*F#r foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
SqZ .}s {
x@3cZd0j# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$'<FPbUtD} chkExport.Checked = true;
xnHB
<xrE} }
n`V? n }
D!z'Y,. else
5+UNLvsZ {
-$$mr U foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
<H$!OPV {
7^syu;DT9Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
t N4-<6 chkExport.Checked = false;
/ ;+Mz* }
3H|drj:KV }
b!r%4Ah }
qkqtPbQ 7 c
Qe3 17.数字格式化
`g<0FQA frc9 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
b,X+*hRt <%#Container.DataItem("price","{0:¥#,##0.00}")%>
\VWgF)_ \/b[V3<" int i=123456;
F"1tPWn string s=i.ToString("###,###.00");
N 1ydL gq@8Z
AWn 18.日期格式化
;*0nPhBw0> 2.vmZaKP 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
CY.4 >, 1Vc~Sa 显示为: 2004-8-11 19:44:28
_mJhY0Oc 5H1N]v+ 我只想要:2004-8-11 】
?Qx4Z3n <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
'Va<GHr>+ +d7Arg!m 应该如何改?
Uq~b4 X$ R x( yn 【格式化日期】
qoZ)"M +o):grWvQ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
|6;-P&_n mn\A)RQ 【日期的验证表达式】
4LW~ sPVE_n A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
uUV"86B_ ^((\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})))?$
:LlZ#V2 _#MKp H B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
n`@dk_%yI ^\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]))$
h-RhmQA=Iz .;qh>Gt 【大小写转换】
O;i0xWUh HttpUtility.HtmlEncode(string);
,p /{!BX HttpUtility.HtmlDecode(string)
z'Z[mrLq z"mpwmv5 19.如何设定全局变量
~<~
~C#R Z`86YYGK Global.asax中
?>iUz.];t J#ClQ% Application_Start()事件中
#ti%hm t%J1(H 添加Application[属性名] = xxx;
7!h>
< sx TIt\ 就是你的全局变量
1Lk(G9CoY VIN0kRQ# 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
8ZqLGa] I8`$a HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
/nu z_y\J <pjxJ<1l 【ASPNETMENU】点击菜单项弹出新窗口
f8aY6o"i vC`SD] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
LkP
:l <?xml version="1.0" encoding="GB2312"?>
IGT9}24 <MenuData ImagesBaseURL="images/">
S D{ )Sq <MenuGroup>
DW78SoyedZ <MenuItem Label="内参信息" URL="Infomation.aspx" >
$evuL3GY# <MenuGroup ID="BBC">
nxx/26{
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
3-, W?
"aC <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
s@5~HyeI ......
iP;"-Mj )p1~Jx( \ 最好将你的aspnetmenu升级到1.2版
y Vm>Pj6 X{Hh^H 21.读取DataGrid控件TextBox值
uwr7 .\7 foreach(DataGrid dgi in yourDataGrid.Items)
mo] l_' {
EApbaS}Up TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5ya^k{`+ZO tb.Text....
vp.?$(L^@/ }
{V[}#Mf J|DZi2o 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?
-W<1BJE Gyy4zK 〖思归〗
EwU)(UK <asp:TemplateColumn HeaderText="数量">
k.K#i /t <ItemTemplate>
P\<:.8@$S <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
I[v`)T'_{ onkeyup="javascript:DoCal()"
W]7/
e />
a!-J=\>9 c.b| RM0; <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
**kix </ItemTemplate>
>:> W= </asp:TemplateColumn>
,7c Rd }1Y .RJMtmp <asp:TemplateColumn HeaderText="单价">
rF"p7 <ItemTemplate>
uOJqj{k_." <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Iv*\8?07) onkeyup="javascript:DoCal()"
FVBAB> />
X?wZ7*'1 zBTW& <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
&KAe+~aPm ^.\O)K {h </ItemTemplate>
uf9&o# </asp:TemplateColumn>
PnaiSt9p?r @sA!o[gH <asp:TemplateColumn HeaderText="金额">
la_c:#ho <ItemTemplate>
xk%
62W <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
{vCtp </ItemTemplate>
_/noWwVu </asp:TemplateColumn><script language="javascript">
M3O !jN~ function DoCal()
9jqsEd-SW {
3N|z^6`# var e = event.srcElement;
<?5|(Q"@: var row = e.parentNode.parentNode;
~"#HHaBO# var txts = row.all.tags("INPUT");
O.ce= E if (!txts.length || txts.length < 3)
X_hDU~5{wC return;
/B~[,ES@1 z<vh8dNl var q = txts[txts.length-3].value;
h )5S4) var p = txts[txts.length-2].value;
v/c]=/ ?`rAO#1 if (isNaN(q) || isNaN(p))
9tPRQM7 return;
y"q>}5 o#,^7ln q = parseInt(q);
~~h#2SX p = parseFloat(p);
U>f'j;5 +|,4g_(j txts[txts.length-1].value = (q * p).toFixed(2);
;ISnI }
mQ"uG?NE </script>
t'Wv?, ^.!jD+=I WJnGF3G> kt978qfk ZDW=>}~_y 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
u6ULk<<\ page_load
0>N6.itOz page.smartNavigation=true
=oq8SL?bJ* 2]]v|Z2M4 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
P$#: $U@ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
6D`n^ uoP {
~E7IU<B for(int i=0;i<e.Item.Cells.Count-1;i++)
=,#--1R7g if(e.Item.ItemType==ListItemType.EditType)
d/&>
`[i {
I1U2wD e.Item.Cells.Attributes.Add("Width", "80px")
?Z7QD8N
}
Tz,9>uN }
-PE_q Z^ Zob/H+] 26.对话框
hcj}6NXc private static string ScriptBegin = "<script language=\"JavaScript\">";
I'BhN#GhX private static string ScriptEnd = "</script>";
S-7&$n _Ns EeKU public static void ConfirmMessageBox(string PageTarget,string Content)
K8sRan[4} {
~I@lsCh string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
W-n4wIj" fx{8ERo ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
k~"Eh]38 $ItjVc@U Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
73D<wMgZF ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
6`e7|ilh6 //Response.Write(strScript);
=Nxkr0])! }
WQ.0} n}d 1*TbgxS~W 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
WK>|IgK L>h8>JvQ 1.1 取当前年月日时分秒
nTEN&8Y>R currentTime=System.DateTime.Now;
Gs,:$Im -V|"T+U 1.2 取当前年
F^75y? int 年= DateTime.Now.Year;
0
Uropam o3 fc - 1.3 取当前月
"s(~k int 月= DateTime.Now.Month;
:pqUUZ6x& ,KW
Q
6 1.4 取当前日
9qB0F_xl int 日= DateTime.Now.Day;
LKu\M h| S%i^`_=Q 1.5 取当前时
ZNX38<3h int 时= DateTime.Now.Hour;
l4oyF|oJTH Icnhet4 1.6 取当前分
l}))vf=i int 分= DateTime.Now.Minute;
qUkMNo3 VI&x1C 1.7 取当前秒
E^axLp>(I int 秒= DateTime.Now.Second;
>%j%Mj@8q| J~k9jeq9 1.8 取当前毫秒
5 8bW int 毫秒= DateTime.Now.Millisecond;
,yYcjs!=o 4N,mcV 28.自定义分页代码:
EO&Q "]+g5G 先定义变量 :
*|fF;-#v public static int pageCount; //总页面数
+(3_V$|Dv public static int curPageIndex=1; //当前页面
::|~tLFu qz-QVY, 下一页:
2X?GEO]/4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
KUAzJ[> {
t<!;shH,s DataGrid1.CurrentPageIndex += 1;
j~Aq-8R= curPageIndex+=1;
kOYUxr.b }
4+RR`I8$Ge @%]A,\ bind(); // DataGrid1数据绑定函数
M3pE$KT0x u5(8k_7 上一页:
<xOX+D if(DataGrid1.CurrentPageIndex >0)
-zR<m {
+WH\,E DataGrid1.CurrentPageIndex += 1;
&]nx^C8V; curPageIndex-=1;
%;,fI'M }
ci~#G[_$S ^`&'u_B!+ bind(); // DataGrid1数据绑定函数
7zb^Z] b dgkA 直接页面跳转:
H@Z_P p? int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
;)(g$r^_i D@O`"2 if(a<DataGrid1.PageCount)
4ba*Nc*Yc {
cMw<3u\ this.DataGrid1.CurrentPageIndex=a;
6>a6;[ }
8h=t%zMSb f!9i6 bind();
4<y /Nf{;G!kg 29.DataGrid使用:
;w7 mr1 i+Z)` 添加删除确认:
O$,Fga private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)U@9dV7u {
utlr|m Xc foreach(DataGridItem di in this.DataGrid1.Items)
53HA6:Q[ {
[FO4x` if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
~||0lj.D {
6hxZ5&;(* ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
a+w2cN' }
QNj]wm=mp }
{M]_]L{&7 }
G;Li!H Nd~B$venh 样式交替:
s2;~FK#/ ListItemType itemType = e.Item.ItemType;
1/.BP A~?M`L>B if (itemType == ListItemType.Item )
,i2- {
i\i%WiRl e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
U\KMeaF5e- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
cq1 5@a mX }
qX\*lm/l else if( itemType == ListItemType.AlternatingItem)
3U[O : {
U"PcNQy e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Hn|W3U e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)4yP(6|lx }
8dGsV5" * BI1M(d#1L" 添加一个编号列:
,>;21\D
DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
aZFpt/.d DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
$DbnPZ2$ 17LhgZs& for(int i=0;i<dt.Rows.Count;i++)
W0qR?jc {
rq+_[! dt.Rows["number"]=(i+1).ToString();
xe@1H\7: }
Nu5|tf9%A %5o2I_Cjz DataGrid1.DataSource=dt;
)l3Uf&v^f DataGrid1.DataBind();
<!OBpAq a3@E`Z DataGrid1中添加一个CheckBox,页面中添加一个全选框
$R9D
L^iD private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
7EJ2 On {
PTQ#8(_, foreach(DataGridItem thisitem in DataGrid1.Items)
Ds9)e&yYrb {
HK;NR.D ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
K"#$",}= }
(Ou%0
KW }
L)e"qC_- HI.*xkBXl& 将当前页面中DataGrid1显示的数据全部删除
66yw[,Y foreach(DataGridItem thisitem in DataGrid1.Items)
-ss= c # {
USg"wJY if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
acd[rjeT {
A;oHji#* string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
ci0A!wWD Del (strloginid); //删除函数
Q]ersA8 V> }
|Y9>kXM l }
i'IT,jz! slQn 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)
c_J9CKqc u` pTFy 在Application_Start中添加以下代码:
0=Z[6Q@: Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
YF%gs{ AppSettings["ConnStr"].ToString();
T &ZQie/ dWAt#xII 31. 变量.ToString()
kf,
&t Iy<>-e"| 字符型转换 转为字符串
>jm(2P(R
12345.ToString("n"); //生成 12,345.00
afm\Iv[* 12345.ToString("C"); //生成 ¥12,345.00
p.DQ|? 12345.ToString("e"); //生成 1.234500e+004
>)>f~ > 12345.ToString("f4"); //生成 12345.0000
gq=t7b 12345.ToString("x"); //生成 3039 (16进制)
*1|7%*!8 12345.ToString("p"); //生成 1,234,500.00%
ACszx\[K3 ,06Sm]4L, 32、变量.Substring(参数1,参数2);
'Y38VOI% ]C_+u_9 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);
'VDWJTia -f+#j=FX 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)
l_I)d7 <SCRIPT language="javascript">
\J'}CX*aQ <!--
,f
}$FZ function gook(pws)
?nU<cx h {
n]%-2`}( frm.submit();
|[\;.gT K }
N /4E
~^2 //-->
2+1ybOwb XT7m3M </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Myq8`/_ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
1`cH
E Aa <tr>
`4Yo-@iVP <td>
s9- qR_ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
ejN/U{)jK' <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
u`bD`kfT> <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
'eM0i[E+` N} EKV <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
0TU3
_;o <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
57\ 0MQO c=!>m </td>
X8C7d6ca I)HO/i6>3 </tr>
c -w #` 5pQpzn= </form>
`fv5U% fzsy<Vl", 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
9"~ FKMN Q,U0xGGz 下面是获取用户输入的登陆信息的代码:
DAn2Pqf string name;
\"lz,bT name=Request.QueryString["EmailName"];
I G1];vX %rwvY`\ try
P9v(5Z00|d {
F};R int a=name.IndexOf("@",0,name.Length);
;ALWL~Xm f_user.Value=name.Substring(0,a);
ddHl&+G f_domain.Value=name.Substring(a+1,name.Length-(a+1));
JT+c7W7 f_pass.Value=Request.QueryString["Psw"];
dN8Mfa) }
Q}BMvR 9w z^bS+0S5x! catch
VAPeMO
ck {
(W1$+X Script.Alert("错误的邮箱!");
">V1II
7 Server.Transfer("index.aspx");
>|f"EK}m! }