1. 打开新的窗口并传送参数:
?^n),mR r roI 传送参数:
kc-=5l response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
oIrO%v:'! SYkwM6 接收参数:
x8
_f/2& string a = Request.QueryString("id");
u5;;s@{Ye4 string b = Request.QueryString("id1");
jmPnUn 2RG6m=Y8y 2.为按钮添加对话框
0"}J!c<g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%PM&`c98z7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
/W9(}Id6 hK+6S3-Ez 3.删除表格选定记录
=h0vdi%{ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!mHMFwvS string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
@<(4J
0xVw{k}1U 4.删除表格记录警告
sPX&XqWx private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'.EO+1{a {
Kv0V`}<Yc switch(e.Item.ItemType)
,_iq$I; {
ttOk6- case ListItemType.Item :
/|q.q case ListItemType.AlternatingItem :
f7YBhF case ListItemType.EditItem:
(Zg']) TableCell myTableCell;
;3x*pjLG:Q myTableCell = e.Item.Cells[14];
V6Mt;e)C LinkButton myDeleteButton ;
"i#aII+T myDeleteButton = (LinkButton)myTableCell.Controls[0];
-M/j&<;LW myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
<Pzy'9 break;
qv& Bai[ default:
ZDg(D" break;
@A4$k
dJ2 }
B*Q 9g r u
3^pQ6Q }
'2GnA ws^ I4W@t4bZ 5.点击表格行链接另一页
1U%
/~ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
vJL Gy] {
JIhEkY //点击表格打开
wA\5-C7j if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
wBcoh~
(y e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
oNZ_7tU }
Z\?2"4H q.p.$) 双击表格连接到另一页
LH)XD[ ,DZvBS 在itemDataBind事件中
]}dQ~lOE if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
')U~a {
&\1n=y string OrderItemID =e.item.cells[1].Text;
#F`A(n ...
CHsg2S e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
V\o7KF }
Hs*["zFc SRwD`FF 双击表格打开新一页
7i*eKC`ZqK if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
GL=}Vu`(* {
@(Y!$><Is string OrderItemID =e.item.cells[1].Text;
XEgJ7h_ ...
&W,jR|B
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
5?lc%,-& }
;%9]G|*{ TWzLJ63* ★特别注意:【?id=】 处不能为 【?id =】
h:nybLw? 6.表格超连接列传递参数
X/yq<_ g <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
HR}O:2' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
DcW?L^Mst -}#HaL#'K 7.表格点击改变颜色
xSm;~')g if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
g w"
\pD
{
d'RvpoM e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
!R=@Nr> this.style.color=’buttontext’;this.style.cursor=’default’;");
{drc}BL_ }
TIWR[r1! X H-_tvB 写在DataGrid的_ItemDataBound里
q`VL i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
yO q@w!xz {
"f,{d}u e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
iQ;p59wSzL this.style.color=’buttontext’;this.style.cursor=’default’;");
O`B,mgT( e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
qhEv6Yxfw6 }
p+CUYo( V)j[`,M: `POzwYh 8.关于日期格式
Jsz!ro v $Iw?y 日期格式设定
=]Vz=< DataFormatString="{0:yyyy-MM-dd}"
uu9M}]mDl yD7BZI
xW 我觉得应该在itembound事件中
i[o 2(d, e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
G0E5Y;YIN$ 0cd_l
2f#g 9.获取错误信息并到指定页面
EY,jy]|# 9}(w*>_L 不要使用Response.Redirect,而应该使用Server.Transfer
NsI. mTc2 -ED}
6E e.g
7;+G)44 // in global.asax
=?$~=1SL+ protected void Application_Error(Object sender, EventArgs e) {
dQT[pNp: if (Server.GetLastError() is HttpUnhandledException)
o/3.U=px~ Server.Transfer("MyErrorPage.aspx");
X<5fn+{]S: tN<X3$aN //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Xfg3q.q }
L ~'98C S3M!"l 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
-E1-(TS !Ew
ff|v" 10.清空Cookie
"dP-e Cookie.Expires=[DateTime];
aGC3&c[Wx Response.Cookies("UserName").Expires = 0
=gI41Y] LH2B*8=^2 11.自定义异常处理
D%]S>g5k //自定义异常处理类
s 4_Dqm using System;
k5E2{&wZ using System.Diagnostics;
5h/,*p6Nje vQLYWRXiA namespace MyAppException
YA$YT8iMe {
I;NW!"pU /// <summary>
`;Tf _6c /// 从系统异常类ApplicationException继承的应用程序异常处理类。
P4Pc;8T@! /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ZwBz\jmbP /// </summary>
8^}/T#l public class AppException:System.ApplicationException
?d3K:|g {
@CzFzVmF" public AppException()
\ji\r ]k {
2>9\o]ac4 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
7 2JwG7qh }
3S3(Gl V?S}%-a public AppException(string message)
~'%d]s+q {
jKmjZz8L]% LogEvent(message);
F2}Fuupb. }
(|<S%?}J i'li;xUhZ public AppException(string message,Exception innerException)
Oq~{HJ{ {
`{!A1xKZ LogEvent(message);
e-y$&[
if (innerException != null)
`.J)Z=o {
v_5qE LogEvent(innerException.Message);
yS~Y"#F!. }
y\^zxG*]' }
>`UqS`YQK E2r5Pg
//日志记录类
aeUgr! using System;
<8 <P, using System.Configuration;
;SU<T^a using System.Diagnostics;
;)FvTm'"\. using System.IO;
6"G(Iq'2t3 using System.Text;
E7/UsUV. using System.Threading;
Oh1U=V2~ CmBPCjh namespace MyEventLog
$/"Ymm#"\Y {
{mD0ug /// <summary>
hx0 t!k(3 /// 事件日志记录类,提供事件日志记录支持
XA#qBxp/h /// <remarks>
.t\J@?Z /// 定义了4个日志记录方法 (error, warning, info, trace)
u;$qJjS
N /// </remarks>
c9[{P~y /// </summary>
dY}5Kmt public class ApplicationLog
y`zdI_!7 {
Q.$8>) /// <summary>
v];YC6shx /// 将错误信息记录到Win2000/NT事件日志中
_'cB<9P
/// <param name="message">需要记录的文本信息</param>
9e`};DE /// </summary>
VQ('ejv}/ public static void WriteError(String message)
J'WzEgCnU {
,|RKM WriteLog(TraceLevel.Error, message);
x} =,'Ko}3 }
12#yHsk ]mtiIu[ /// <summary>
25Z}.)) /// 将警告信息记录到Win2000/NT事件日志中
q0%QMut% /// <param name="message">需要记录的文本信息</param>
DtBvfYO8)> /// </summary>
EgG3XhfS public static void WriteWarning(String message)
AAfU]4u0S {
Y`22DFO WriteLog(TraceLevel.Warning, message);
O8#]7\) }
FFZ?-sE g0B-<>E /// <summary>
2gK]w$H7! /// 将提示信息记录到Win2000/NT事件日志中
-`5]%.E&8 /// <param name="message">需要记录的文本信息</param>
y$fMMAN7 /// </summary>
U:~]>B $ public static void WriteInfo(String message)
=A,T:!}' {
r Yt|[Pk WriteLog(TraceLevel.Info, message);
*Jcd_D\-(1 }
92Gfxld\ /// <summary>
J[l7p6xk /// 将跟踪信息记录到Win2000/NT事件日志中
a=ZVKb /// <param name="message">需要记录的文本信息</param>
a\m=E#G /// </summary>
='.b/]! _ public static void WriteTrace(String message)
ASEKP(]v {
en|~`]HF WriteLog(TraceLevel.Verbose, message);
7p'pz8n`X }
*?Wz/OJ0 eptw)S-j /// <summary>
n\Lsm /// 格式化记录到事件日志的文本信息格式
wG:RvgX} /// <param name="ex">需要格式化的异常对象</param>
zytW3sTZA /// <param name="catchInfo">异常信息标题字符串.</param>
[H!do$[> /// <retvalue>
z+oy#p6+F. /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
_t]Q*i0p /// </retvalue>
rg[#( /// </summary>
uUp>N^mmVH public static String FormatException(Exception ex, String catchInfo)
KgYQxEbIW {
)/!HI0TU StringBuilder strBuilder = new StringBuilder();
`yl|NL if (catchInfo != String.Empty)
a"4X7
D+ {
,b^jAzow strBuilder.Append(catchInfo).Append("\r\n");
w$s6NBF7 }
|4BD strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
BJHWx,v return strBuilder.ToString();
1M)88& }
&N7q9t "<egm^Yq /// <summary>
PU\xF t /// 实际事件日志写入方法
!+Cc^{ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Tl"r# /// <param name="messageText">要记录的文本.</param>
g("[wqgG /// </summary>
.db:mSrL private static void WriteLog(TraceLevel level, String messageText)
u]3VK {
'<C#"2 try
uF*tlaV6 {
kQ6YQsJ.* EventLogEntryType LogEntryType;
D0gz
(( switch (level)
kI*f}3)Y {
S:
g 2V case TraceLevel.Error:
P=4o)e7E! LogEntryType = EventLogEntryType.Error;
G>2: WQ/ break;
SzjylUYV case TraceLevel.Warning:
Oh=Kl3xs LogEntryType = EventLogEntryType.Warning;
2Nx#:Rz break;
b:*(
f#"q case TraceLevel.Info:
3=lQZi<]% LogEntryType = EventLogEntryType.Information;
g3'yqIjQL break;
u&Xn#fh case TraceLevel.Verbose:
c#[d7t8ONe LogEntryType = EventLogEntryType.SuccessAudit;
>$A, B break;
<qx qlEQT default:
x@VZJrQQ LogEntryType = EventLogEntryType.SuccessAudit;
1u~.^O}J break;
2\xEMec }
BMbZ34^e VSc)0eyn EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
kkV*#IZ //写入事件日志
B}h8c eventLog.WriteEntry(messageText, LogEntryType);
;MKfssG ^ G>/;mZ }
Jy#21 catch {} //忽略任何异常
1GgG9I }
1d~cR } //class ApplicationLog
R%%h=] }
gm@%[ ulY<4MN 12.Panel 横向滚动,纵向自动扩展
7|7sA'1cM <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
_dw6 C2]P :e TzjW= 13.回车转换成Tab
(L8z<id<z <script language="javascript" for="document" event="onkeydown">
~_yz\;# if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
UYOR@x # event.keyCode=9;
7{DSLKtN </script>
}?z_sNrDk 2sqNTuO6,| onkeydown="if(event.keyCode==13) event.keyCode=9"
Ru^j~Cj5 ?Kf?Z`9 *Y 14.DataGrid超级连接列
dpcFS0 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
VZ$FTM^b8 !T8h+3I 15.DataGrid行随鼠标变色
D4CiB"g3* private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"':u#UdS {
|R$/oq if (e.Item.ItemType!=ListItemType.Header)
;K<W<v5m0N {
3eS
*U`_ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
92K#xM/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
sa>}wz<o }
H$n{|YO ` }
f^[:w1X$sM 9-?[%8 16.模板列
SPK%
' s <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
!9JK95; <ITEMTEMPLATE>
J+6bp0RIh <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Yv [j5\:x </ITEMTEMPLATE>
3[O;HS3| </ASP:TEMPLATECOLUMN>
j?rq%rQd Z39I*-6F9W <ASP:TEMPLATECOLUMN headertext="选中">
ir*T,O
2J <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(VzabO <ITEMTEMPLATE>
v"dj%75O?e <ASP:CHECKBOX id="chkExport" runat="server" />
rG|*74Q] </ITEMTEMPLATE>
,|
EaW& 2 <EDITITEMTEMPLATE>
`CXAE0Fx <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
3d|n\!1r </EDITITEMTEMPLATE>
?u]%T]W </ASP:TEMPLATECOLUMN>
=9ISsI\Y6 `d[ja, 后台代码
")87GQ( R protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
1"Z61gXrz {
zT5@wm //改变列的选定,实现全选或全不选。
* -Kf CheckBox chkExport ;
|P"p/iY if( CheckAll.Checked)
^KK6 d {
tzeS D C foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\y
G// {
1$g]&' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
aI6fPQe chkExport.Checked = true;
f;;(Q-. }
XfXqq[\N }
.l->O-= else
>dW~o_u'QN {
7EKQE>xj foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}I\hOL {
{u}Lhv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
k-b0Eogp] chkExport.Checked = false;
fQ^45ulz }
zl W5$cC[ }
"c6(=FFq }
tC=`J%Ik ]~SOGAFW 17.数字格式化
;@$B{/Q D#T1~r4 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#O<2wMb2< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
4q`$nI Bi qd9CKd int i=123456;
?2b*FQe string s=i.ToString("###,###.00");
KMxP%dV/= '=_}& 18.日期格式化
3@r_t|j D|u! KH 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
F]hKi`@ d85\GEF9i 显示为: 2004-8-11 19:44:28
7[wHNJ7)r G &'eP 我只想要:2004-8-11 】
H*DWDJxmV <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
D2`tWRm0 @?A39G{ 应该如何改?
asDq(J`sQ Cz2OGM*mz? 【格式化日期】
b5hJaXJN w7H.&7rF 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Md9b_&' l^s\^b=W 【日期的验证表达式】
Zc"Vf]: }*{@-v|_R A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
}U=|{@% ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
N`tBDl"ld 5} 9}4e B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
x(/KHpSWK ^\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]))$
=(f+geA"hm A4,tv#z 【大小写转换】
_`>F>aP HttpUtility.HtmlEncode(string);
Th&*
d; HttpUtility.HtmlDecode(string)
a
D* biCX:m+_? 19.如何设定全局变量
B5>1T[T'- SMr
]Gf. Global.asax中
5:mS~ 03ol!|X"9 Application_Start()事件中
B!|<<;Da6 1]HEwTT/1_ 添加Application[属性名] = xxx;
$2uZdl8Rvj g">E it*[ 就是你的全局变量
:"+/M{qz Ih*}1D)7 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
<$#b3F"I bWN%dn$$M HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
C WJGr:}& h)[{{JSf 【ASPNETMENU】点击菜单项弹出新窗口
Vy;f 4;I{ cqzd9L6= 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
D-8NDa(` <?xml version="1.0" encoding="GB2312"?>
0n25{N <MenuData ImagesBaseURL="images/">
LRO'o{4$E <MenuGroup>
rlEp&"+|M <MenuItem Label="内参信息" URL="Infomation.aspx" >
hlPZTr=a <MenuGroup ID="BBC">
1Ih.?7} <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
v:*t5M
> <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
KX e/i~AS ......
.\kcWeC\ :DP%>H| 最好将你的aspnetmenu升级到1.2版
,f`435R ]I9Hbw 21.读取DataGrid控件TextBox值
zGrUl|j foreach(DataGrid dgi in yourDataGrid.Items)
6Q<^,`/T {
O$}p}%%y7 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
E DuLgg@ tb.Text....
uJz<:/rwZ- }
s#,~Zb= &61;v@ 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?
'p=5hsG +u%^YBr 〖思归〗
s hbPy <asp:TemplateColumn HeaderText="数量">
)i&z!|/2 <ItemTemplate>
Ha l,%W~e <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
x`@!hJc:[e onkeyup="javascript:DoCal()"
~~[Sz#( />
YfBb=rN2s ?8/r= <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
;Yv{)@'Bc </ItemTemplate>
y5F"JjQAa </asp:TemplateColumn>
Ghc
U~ Ijap%l1I <asp:TemplateColumn HeaderText="单价">
({@"{ <ItemTemplate>
/KNR;n' <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
'CSjj@3 X onkeyup="javascript:DoCal()"
[VqiF~o, />
."gq[0_YS ,i|K} Y& <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
.dVV#
H [PB73q8 </ItemTemplate>
K F_Uu </asp:TemplateColumn>
GyMN;| U;TS7A3 <asp:TemplateColumn HeaderText="金额">
4`mf^Kf <ItemTemplate>
_'17C/ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
^*4#ZvpG2 </ItemTemplate>
bCr
W'}:de </asp:TemplateColumn><script language="javascript">
ms;zC/ function DoCal()
>N 2kWSa {
G6qZ>-GiL var e = event.srcElement;
4M> pHz4 var row = e.parentNode.parentNode;
-:pVDxO var txts = row.all.tags("INPUT");
xb%Q[V_m if (!txts.length || txts.length < 3)
wr:W}Z@pL return;
}yn%_KQ0 O`1!&XT{x var q = txts[txts.length-3].value;
x=a#|]ngG var p = txts[txts.length-2].value;
9z{}DBA :|S[i(' if (isNaN(q) || isNaN(p))
f. >[ J return;
mt0v ( yx&}bu\ q = parseInt(q);
2-qWR<E p = parseFloat(p);
2?Ryk`2i) roAHkI txts[txts.length-1].value = (q * p).toFixed(2);
SI%J+Y7 }
=? q&/
cru </script>
iH]0
YT.E \!uf*=d -~\7ZRP8 v[x 5@$ cMy?& 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。
X,o ]tgg= page_load
a04S&ezj page.smartNavigation=true
i
^N}avO T}XJFV 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 ?
$1)NYsSH/H private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
C5Fq%y{$. {
PiR`4Tu for(int i=0;i<e.Item.Cells.Count-1;i++)
2%fkXH< if(e.Item.ItemType==ListItemType.EditType)
R~TG5^( {
c[OQo~m$ e.Item.Cells.Attributes.Add("Width", "80px")
\[+':o`LH }
[czWUD }
!
c~3 `7v {EU]\Mp0j 26.对话框
!g>mjD private static string ScriptBegin = "<script language=\"JavaScript\">";
Wk-.dJ private static string ScriptEnd = "</script>";
u6\W"LW 'e
x/IqbK public static void ConfirmMessageBox(string PageTarget,string Content)
;4oKF7]
{
=<=[E:B string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
o1]1I9 ?f:\&+.& ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
;Oqbfl#% c1f`?i}. Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
^'sOWIzeiY ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;]/cCi //Response.Write(strScript);
@
eP[*Q }
)=,;-&AR dUceZmAl 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
)[t3-' ooYs0/,{ 1.1 取当前年月日时分秒
,?GAFgK: currentTime=System.DateTime.Now;
}T=\hM =&U7:u 1.2 取当前年
[vCZD8"Y8 int 年= DateTime.Now.Year;
G&0JK ,Y OPKmYzf@b 1.3 取当前月
yLt?XhRlp int 月= DateTime.Now.Month;
dFpP_U cXOb= 1.4 取当前日
8ax3"G int 日= DateTime.Now.Day;
f6HDfJmE gi\UNT9x 1.5 取当前时
YH!` uU(Lh int 时= DateTime.Now.Hour;
KH1/B_.\V @L^30>?l 1.6 取当前分
=Sn!'@%U] int 分= DateTime.Now.Minute;
cFG%Ew@ z* :.maq 1.7 取当前秒
fbW#6:Y int 秒= DateTime.Now.Second;
zB{be_Tw \6Hu&WHy 1.8 取当前毫秒
&$NVEmW-J int 毫秒= DateTime.Now.Millisecond;
nHL(v af7\2g3* 28.自定义分页代码:
}EHmVPe uwb>q"M 先定义变量 :
wsfn>w?!V public static int pageCount; //总页面数
7Y'.yn public static int curPageIndex=1; //当前页面
xo_Es? l4Y}<j\; 下一页:
+#y[sKa if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
|+i?FYA\ {
#r)c@?T@j DataGrid1.CurrentPageIndex += 1;
8>K2[cPD curPageIndex+=1;
iP JZ% }
F/w!4,'<?5 ~3 z10IG bind(); // DataGrid1数据绑定函数
TNC,{sM vg1p{^N! 上一页:
vrIM!~*W if(DataGrid1.CurrentPageIndex >0)
aOj5b>> {
5fBW#6N/ DataGrid1.CurrentPageIndex += 1;
iwfv t^ curPageIndex-=1;
1]v.Qu< }
7@Qz sT3O_20{ bind(); // DataGrid1数据绑定函数
R28h%KN ]baO{pJi 直接页面跳转:
M(S:&GOU int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
=2{ ^qvP pUr.<yc&u if(a<DataGrid1.PageCount)
c X553& {
l23#"gGb this.DataGrid1.CurrentPageIndex=a;
BaTE59W }
)fR'1_ hM(|d@) bind();
,y?0Iwf .t0Q>:}&b 29.DataGrid使用:
#G^?4Za Y9 ,KOs 添加删除确认:
;e_n7>'#% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
xq.,7#3 {
\=4[v-3H foreach(DataGridItem di in this.DataGrid1.Items)
h4S,(*V$! {
4RNB\D if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
q?{wRBVVB {
,`MUd0 n ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
KyNv)=x4c }
qv=i eU }
V\WqA8 }
L*1C2EL/q Dw?nf 样式交替:
3xh~xE ListItemType itemType = e.Item.ItemType;
Ylll4w62N ](@Tbm8 if (itemType == ListItemType.Item )
Y+syc dq {
vVmoV0kGt e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Q'&oSPXSDd e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
; 7[5%xM }
HkD6aJ:kA! else if( itemType == ListItemType.AlternatingItem)
5EIh5Y EU> {
$+)SW{7 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
cRK1JxU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o4,W!^n2 }
m49GCo k+ E=3<F_3W 添加一个编号列:
nWfOiw-t DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
l_y:IY$" DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
,n}X,#] AF>J8 V for(int i=0;i<dt.Rows.Count;i++)
@S yGj# {
%%}U
-*b dt.Rows["number"]=(i+1).ToString();
p@y?xZS }
0{j]p^'< U@!e&QPn DataGrid1.DataSource=dt;
kqYWa`eE DataGrid1.DataBind();
hW6og)x KyK%2: DataGrid1中添加一个CheckBox,页面中添加一个全选框
Fx*iAH\e private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
,&rlt+wE {
z;JyHC) foreach(DataGridItem thisitem in DataGrid1.Items)
qI"Xh"
c? {
F$y3oX ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
N?TXPY }
\wEHYz }
\C $LjSS- D]\of#%T 将当前页面中DataGrid1显示的数据全部删除
t<wjS|4 foreach(DataGridItem thisitem in DataGrid1.Items)
9AO`Zk{/Ez {
:*Lr(-N- if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
VAX@'iZr {
,c<&)6FU] string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
1t
wC-rC Del (strloginid); //删除函数
PTrKnuM\J_ }
5gYv CW&~ }
}W^%5o87{ lKWe=xY\B 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
Hd]o?q\ 2wLnRP`* 在Application_Start中添加以下代码:
5]pvHc Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
*:S_v.Y3" AppSettings["ConnStr"].ToString();
uF,F<%d yuIy?K 31. 变量.ToString()
V>D8l @ D1hy:KkAv] 字符型转换 转为字符串
M3 MB{cA2 12345.ToString("n"); //生成 12,345.00
O(x1Ja,& 12345.ToString("C"); //生成 ¥12,345.00
pGz 5!d 12345.ToString("e"); //生成 1.234500e+004
+~xY} 12345.ToString("f4"); //生成 12345.0000
\#Md3!MG 12345.ToString("x"); //生成 3039 (16进制)
>NLG"[\ 12345.ToString("p"); //生成 1,234,500.00%
|H-%F?<{ : EA-L 32、变量.Substring(参数1,参数2);
skr dL.5 h</,p49gM 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
HiAj3 #+CH0Z 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
5j'7V1:2 <SCRIPT language="javascript">
KU$:p^0l;* <!--
Td,2.YMQ function gook(pws)
nA owFdCD {
-S\gDB bb frm.submit();
V.w
L }
]@Z[/z%~04 //-->
K;8{qQ* edai2O </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
M!i["($_ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
;t~Y>, <tr>
oU l0w~Xn <td>
m@Hg:DY <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
E!A+J63zsw <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
f;D(X/"f] <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
o[I
s$j ]ZR}Pm/CA
<INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
SA{noM <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
xiv8q/
"tT68 </td>
0g8ykGyx V~#8lu7; </tr>
_|r/*(hh wY]ejK$0R </form>
fQU5' wGp 'QSj- 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
/&N\#;kK?b -!lSk?l 下面是获取用户输入的登陆信息的代码:
_TwEym.V string name;
aH7@:=B name=Request.QueryString["EmailName"];
qWU59:d^{ ;fYJ]5> try
Qo/pz2N {
A(9$!%#+L int a=name.IndexOf("@",0,name.Length);
q*K[? f_user.Value=name.Substring(0,a);
FM=XoMP q f_domain.Value=name.Substring(a+1,name.Length-(a+1));
1@t8i?:h f_pass.Value=Request.QueryString["Psw"];
')T*cLQ>< }
%!7A" >ai hzk4SOT( catch
,Yn$X {
)gx*;z@ Script.Alert("错误的邮箱!");
~Qd|.T Server.Transfer("index.aspx");
qgs:9V
xF }