1. 打开新的窗口并传送参数:
zO,sq%vQn' `shB[Lt 传送参数:
rYJvI response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
I
uDk9<[b: $oEDyC 接收参数:
>KJ]\`2>)c string a = Request.QueryString("id");
gMbvHlT string b = Request.QueryString("id1");
Z[VKB3Pb8 g@L4G?hLn 2.为按钮添加对话框
(Lp-3Xx Button1.Attributes.Add("onclick","return confirm(’确认?’)");
t/CNxfY button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
2_Qzc&"[
4 2StpcAlU} 3.删除表格选定记录
n_Z8%|h int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
#*~Uu.T string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\Ip<bbB0 -h}J%UV 4.删除表格记录警告
{)M4h?.2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
}`(kX] ][ {
=|V3cM4' switch(e.Item.ItemType)
~Y(M>u.+! {
@?U5t1O< case ListItemType.Item :
t9}XO M* case ListItemType.AlternatingItem :
S^u!/ =& case ListItemType.EditItem:
v3p..A~XZ. TableCell myTableCell;
j.K yPWO myTableCell = e.Item.Cells[14];
,\M'jV"SK LinkButton myDeleteButton ;
?g&]*zc^\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
{SJLM0=Z myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
c?d#Bj ? break;
<}=D ?bXw default:
$lQi0*s break;
/D q]=P }
>Pu*MD; (bw;zNW }
2:abe R[(,wY_1 5.点击表格行链接另一页
H_Yy.yi private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=cQwR:): {
ATU@5,9 //点击表格打开
1\2 m'o if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[qz6_WOo e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
aj\'qRrU$ }
`C1LR,J (R,eWWF8~ 双击表格连接到另一页
?OSd8E+itM i0P+,U 在itemDataBind事件中
"YBA$ef$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_C4^J {
IO+z:D{ string OrderItemID =e.item.cells[1].Text;
U;31}'b ...
bMZ0%(q e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
OjHBzrK }
o.Q9kk?L PQK_*hJG" 双击表格打开新一页
dx~Wm1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Kk,->q<1 {
9T]]T Ev4 string OrderItemID =e.item.cells[1].Text;
\S9z.!7v$ ...
{`'b+0[;@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
5q<kt{06\ }
JsC0^A;fM *,. {Xf ★特别注意:【?id=】 处不能为 【?id =】
4Vs;Y&t] 6.表格超连接列传递参数
Q -+jG7vT <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
,iyIF~1~#> <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]:njP3r 0MOAd!N 7.表格点击改变颜色
IH0Uq_ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0C7"*H0R {
bhI8b/ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
S$#Awen"@ this.style.color=’buttontext’;this.style.cursor=’default’;");
n5b
N/ }
)-9/5Z0v &`9lIVB,K 写在DataGrid的_ItemDataBound里
fVkl-<?x if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
BK +JHT {
h3:,Gbyap e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~7m+cWC-+ this.style.color=’buttontext’;this.style.cursor=’default’;");
CR/LV]G e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$qvNv[ }
IJ0RHDod: _+{s^n=
ql8:s>1T 8.关于日期格式
vH=I#Ajar G$Dg*< 日期格式设定
+X< Z
43 DataFormatString="{0:yyyy-MM-dd}"
}"T:z{n a-W&/ 我觉得应该在itembound事件中
(*EN! -/ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Ii9vA ^53 O~D}&M@/R 9.获取错误信息并到指定页面
6hZhD1lDG^ #<JrSl62(K 不要使用Response.Redirect,而应该使用Server.Transfer
G{J9Fb8 QEVjXJOt0 e.g
R =jK3yfw // in global.asax
AkF1Hj protected void Application_Error(Object sender, EventArgs e) {
%8ul}}d9 if (Server.GetLastError() is HttpUnhandledException)
|`|b&Rhu Server.Transfer("MyErrorPage.aspx");
;R67a
V, 0QPipuP //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ed{9UJWh }
>ko;CQR ."lY>(HJ 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
ED6H Q.N^1?(>k 10.清空Cookie
WgIVhj Cookie.Expires=[DateTime];
V=c&QPP Response.Cookies("UserName").Expires = 0
<sTaXaq? T4UY%E!0 11.自定义异常处理
Y}Ov`ZM!r //自定义异常处理类
&8 (2U- using System;
N5s_o0K4TU using System.Diagnostics;
G6
GXC`^+ _E~uuFMn*R namespace MyAppException
OS!47Z /q {
]/a?:24 [ /// <summary>
^cY5!W.q8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
DJ\lvT#j /// 自动将异常内容记录到Windows NT/2000的应用程序日志
5E%W;$3Pb /// </summary>
HiWZ?G public class AppException:System.ApplicationException
:\>UZ9h # {
o;O_N^_W public AppException()
9uq|
VU5 {
A_g'9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3w-0v"j U }
mF_/Rhu $q+7,," public AppException(string message)
snK/,lm. {
[Nq4<NK LogEvent(message);
H 95VU" }
mr;WxxO5 A[b'MNsv public AppException(string message,Exception innerException)
x&f?c=\F {
>1r>cZn LogEvent(message);
7#RW4ZM if (innerException != null)
Ghj6&K%b0 {
,^'Y7" LogEvent(innerException.Message);
AXJC&O}` }
\UiuJ+ }
H: U_k68 "XH]B //日志记录类
TEYbB=. using System;
86I".R$d using System.Configuration;
>
4^U=T# using System.Diagnostics;
xv)7-jlx using System.IO;
!is8`8F8 using System.Text;
ZpwB"%e$ using System.Threading;
G1D(-X4ALZ Um|:AT}`^ namespace MyEventLog
s2tEyR+gW {
3(CUC /// <summary>
X4o8 /// 事件日志记录类,提供事件日志记录支持
l[ L{m7 /// <remarks>
T"2ye9a /// 定义了4个日志记录方法 (error, warning, info, trace)
'r-a:8:t^ /// </remarks>
kAAz|dhL- /// </summary>
h\yYg' CC public class ApplicationLog
^EB}e15" {
.
E.OBn /// <summary>
.Wr7?'D1M /// 将错误信息记录到Win2000/NT事件日志中
:>cJ[K?0 /// <param name="message">需要记录的文本信息</param>
'al-C;Z /// </summary>
>- :U public static void WriteError(String message)
HO wJ2L {
YX~H!6l WriteLog(TraceLevel.Error, message);
DF-og*V }
a MzAA v"s}7trWV /// <summary>
KsHMAp3 /// 将警告信息记录到Win2000/NT事件日志中
rVz#;d!`z /// <param name="message">需要记录的文本信息</param>
%7{6>6% /// </summary>
\^_F>M public static void WriteWarning(String message)
NSx DCTw {
F<I-^BY) WriteLog(TraceLevel.Warning, message);
7igrRU#1% }
{yJ{DU?%Y o`&idn|, /// <summary>
j6Vuj/+} /// 将提示信息记录到Win2000/NT事件日志中
"=qdBG9 /// <param name="message">需要记录的文本信息</param>
Q@M,:0+cy /// </summary>
Q.5a"(d@ public static void WriteInfo(String message)
ov|s5yH8e {
VJwzYl WriteLog(TraceLevel.Info, message);
`]fY9ZDKs }
:@pmgp /// <summary>
Hiw{1E:rW /// 将跟踪信息记录到Win2000/NT事件日志中
OnD+/I /// <param name="message">需要记录的文本信息</param>
;ymUMQ%;/ /// </summary>
h'N,oDB) public static void WriteTrace(String message)
]o_ Ps| {
]A_)&`"Cb WriteLog(TraceLevel.Verbose, message);
D L$P }
."MBKyg6 ]qrO"X= /// <summary>
)[/+j"F /// 格式化记录到事件日志的文本信息格式
ov?>ALRg /// <param name="ex">需要格式化的异常对象</param>
7=JiL= /// <param name="catchInfo">异常信息标题字符串.</param>
:FK(*BUh /// <retvalue>
V+E2nJ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
ost~<4~ /// </retvalue>
|vGz
1jLV /// </summary>
D
F0~A public static String FormatException(Exception ex, String catchInfo)
VNPuO U= {
d/|@"z^? StringBuilder strBuilder = new StringBuilder();
]
Li(E: if (catchInfo != String.Empty)
N<?RN;M {
51L:%Af strBuilder.Append(catchInfo).Append("\r\n");
br0gB3r }
{lqnn n3 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
\b'
<q return strBuilder.ToString();
bZ0r/f,n$ }
c.NAUe_3 '!Q[+@$ /// <summary>
rJR"[TTJ /// 实际事件日志写入方法
}mX;0qO /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
q7X/"Dfx /// <param name="messageText">要记录的文本.</param>
V-t! /// </summary>
:^px1 private static void WriteLog(TraceLevel level, String messageText)
4Jht{#IIG {
B:Msn)C~ try
sfx:j~bsL {
QHA<7Wg EventLogEntryType LogEntryType;
rU(N@i% switch (level)
lQ@2s[ {
c~p4M64 case TraceLevel.Error:
{-H6Z#b[ LogEntryType = EventLogEntryType.Error;
GXa-g-d break;
[<bfwTFsl case TraceLevel.Warning:
/SZsXaC ' LogEntryType = EventLogEntryType.Warning;
F%L^k.y$ break;
bPiJCX0d case TraceLevel.Info:
tz2`X V{ LogEntryType = EventLogEntryType.Information;
='YR; break;
fNQ.FAK": case TraceLevel.Verbose:
FJ~Dg3F1 LogEntryType = EventLogEntryType.SuccessAudit;
VNaa(Q break;
-<qci3Ba} default:
U
JY`P4( LogEntryType = EventLogEntryType.SuccessAudit;
$T~|@XH break;
$UKV2c }
qksN {t \9<aCJxN EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
mM>{^%2Q: //写入事件日志
#j'OrD eventLog.WriteEntry(messageText, LogEntryType);
hCc I
>[H5 2v yB[( }
iv\?TAZC catch {} //忽略任何异常
{cC9
}w }
[O9(sWL' } //class ApplicationLog
L;>tuJY1 }
oE)tK1>;H YI&7s_%
- 12.Panel 横向滚动,纵向自动扩展
fXO"Mr1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
irpO(>LK 5,;{<\c 13.回车转换成Tab
ll73}v <script language="javascript" for="document" event="onkeydown">
@yqy$I if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6Kg
lp\2 event.keyCode=9;
;PGC9v%i </script>
j2g#t }h EBX:- onkeydown="if(event.keyCode==13) event.keyCode=9"
Cd]d[{NJ; j[9xF<I 14.DataGrid超级连接列
IZniRd; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
iiKFV>;t/ (lT
H EiX 15.DataGrid行随鼠标变色
ME{i-E4 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\2pJ ] {
USJ4qv+- if (e.Item.ItemType!=ListItemType.Header)
hAKyT~[n0 {
,~%Qu~\ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
-7hU1j~I e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
<HI5xB_ }
NZmmO )p4 }
.}%$l.#a j<4J_wE 16.模板列
lD.PNwM <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@\b*a]CV <ITEMTEMPLATE>
!uy?]l <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
M"ZP s </ITEMTEMPLATE>
AZxOq !B </ASP:TEMPLATECOLUMN>
!JJCG &YDb/{|CIC <ASP:TEMPLATECOLUMN headertext="选中">
p~DlZk" <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
-9\O$ I-3 <ITEMTEMPLATE>
9T`xW]Zf <ASP:CHECKBOX id="chkExport" runat="server" />
)
^!oM </ITEMTEMPLATE>
&}wKC:LSP <EDITITEMTEMPLATE>
V! a|rTU6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
F;}?O==H; </EDITITEMTEMPLATE>
`{<2{}2M </ASP:TEMPLATECOLUMN>
C<eeAWP3v w[UPoG #Uh 后台代码
qXCl6Yo8 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
:Dw;RcZQ {
JPS L-j //改变列的选定,实现全选或全不选。
45W:b/n\ CheckBox chkExport ;
7f~DD8 R if( CheckAll.Checked)
Vt*Duh+4 {
t? yMuK foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
>dn[oS, {
w' #VN|;;! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
I^ppEgYSY chkExport.Checked = true;
2p8JqZMQb }
G]=U=9ZI }
]nEN3RJ else
l92#F* {
'w^1re=R foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{M$mrmG {
;XZ5r|V} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
TJ
;4QL chkExport.Checked = false;
k;#$Oxa>t= }
v$owG-_>< }
:DR
G=-M }
rX{QgyY&
WB"$NYB 17.数字格式化
tlA4oVII N"2P&Ho] 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
hm&{l|u{RU <%#Container.DataItem("price","{0:¥#,##0.00}")%>
kS8srT
/H vWXj6} int i=123456;
sO~N2 string s=i.ToString("###,###.00");
^-f5;B`\i x\3tSP7Vp 18.日期格式化
|Gzd|$%Oq |bVNlL"xN 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
nZ$,Bjb iEsI 显示为: 2004-8-11 19:44:28
8n,i5>!d Z"mpE+U* 我只想要:2004-8-11 】
h,\^Sb5AP <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
<xOpm8 8L|rj4z<# 应该如何改?
7'xT)~*$4 7"Zr:|$U 【格式化日期】
e*jn7aya ]9]3=;b> 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
d&n0:xOc +[zrU`!@ 【日期的验证表达式】
#Z"N\49 pz:$n_XC} A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
9 %,_G. ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
B@63=a*kG :2
n5;fp B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[64K?l0& ^\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]))$
C;OU2,c,T BT2[@qH|qF 【大小写转换】
+wY3E*hU HttpUtility.HtmlEncode(string);
)Mi#{5z HttpUtility.HtmlDecode(string)
T=ox;r +7|Oy3s 19.如何设定全局变量
BO#fzq% fp:j~a>E Global.asax中
'_4u,
\SG !,V8?3.aJn Application_Start()事件中
`i9WnPRt 'B8fc-n 添加Application[属性名] = xxx;
+)qPUKb? [t: =%&B 就是你的全局变量
Ni"fV]' W7O%.xP 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#:"\6s \I/l6H>o3 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
i/y+kL a^)7&|$ E 【ASPNETMENU】点击菜单项弹出新窗口
L&Qdb xn UY+~,a 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
+`mJh\* <?xml version="1.0" encoding="GB2312"?>
3S_KycE{ <MenuData ImagesBaseURL="images/">
Yu9Ccj` <MenuGroup>
g5M-Vu <MenuItem Label="内参信息" URL="Infomation.aspx" >
|2
g }i\ <MenuGroup ID="BBC">
Z@t).$ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
}u5 Mexs <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
z ,P:i$ ......
ZBJ.dK?Ky| j0kEi+!TVq 最好将你的aspnetmenu升级到1.2版
B>o#eW 8Nd + 21.读取DataGrid控件TextBox值
7>9/bB+TL foreach(DataGrid dgi in yourDataGrid.Items)
$*G]6s {
<$Q&n{ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
.Uh-Wi[ tb.Text....
w44{~[0d4 }
E IsA2 f pE^L Qi 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?
oHxaa>C> 1 mFc]1W 〖思归〗
$gJMF( <asp:TemplateColumn HeaderText="数量">
YxGIv8O] <ItemTemplate>
!MTm4Ls <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
AZI%KM[ onkeyup="javascript:DoCal()"
pn{.oXomf />
$qP9EZ]JC s,]6Lri`\ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nC_<pq^tr </ItemTemplate>
rQ30)5^V| </asp:TemplateColumn>
:*/<eT_ gG*O&gQY <asp:TemplateColumn HeaderText="单价">
p!hewtb5 <ItemTemplate>
1[} =,uaM <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
nO\|43W onkeyup="javascript:DoCal()"
r\'3q'7p />
7EI(7:gOn @wl80v <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
+M-' K19 +ulX(u(, </ItemTemplate>
IN ,@ </asp:TemplateColumn>
X.j#?? zc*qmb <asp:TemplateColumn HeaderText="金额">
P]yER9' <ItemTemplate>
_&19OD% <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
l1gAm # </ItemTemplate>
FT[wa-b </asp:TemplateColumn><script language="javascript">
U5dJ=G function DoCal()
y!blp>V6 {
CW*6 -q var e = event.srcElement;
T~ /Bf var row = e.parentNode.parentNode;
j<8_SD =, var txts = row.all.tags("INPUT");
uvc0"g1h if (!txts.length || txts.length < 3)
3|/ ;`KfQ return;
jdXkU /n@_Ihx var q = txts[txts.length-3].value;
e}(.u1 var p = txts[txts.length-2].value;
*q|.H9
K( %nFZA)B[ if (isNaN(q) || isNaN(p))
Q\m"n^XN return;
Af5In9WB5 A!Xn^U*p q = parseInt(q);
y;;^o6Gnw p = parseFloat(p);
w{I60|C]* Q]{DhDz?+ txts[txts.length-1].value = (q * p).toFixed(2);
7yeZ+lD }
iMk`t:!;#" </script>
k8Qv>z va~:oA _~HGMC) `zZ=#p/ 03$Ay_2 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。
G
U0zlG] C page_load
3|P P+<o page.smartNavigation=true
rH8?GR0< _q3SR[k+` 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 ?
XL EA|# private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
o~mY,7@a {
>Q[]i4*A for(int i=0;i<e.Item.Cells.Count-1;i++)
;#~rd8Z52 if(e.Item.ItemType==ListItemType.EditType)
hCQ{D|/ {
q'C'S#qqn e.Item.Cells.Attributes.Add("Width", "80px")
q^"P_pV\ }
-S)HB$8 }
:bLGDEC Da?0B9' 26.对话框
k(u W( 6 private static string ScriptBegin = "<script language=\"JavaScript\">";
{;f`t3D private static string ScriptEnd = "</script>";
@B7; _ky!4^B public static void ConfirmMessageBox(string PageTarget,string Content)
2>ce(4Gky {
5C#&vYnq string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
]2h~Db= H# 2'\0u ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
6CY_8/:zL "N7C7`izc Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
n;v8Vc' ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
-']#5p l //Response.Write(strScript);
h8pc<t\6 }
hCW8(Zt @ mtv2P` 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
B quyPG" J[VQ6fD% 1.1 取当前年月日时分秒
|\~cjPX( currentTime=System.DateTime.Now;
P/M*XUG. Bi?.G7> 1.2 取当前年
_4[kg)#+ int 年= DateTime.Now.Year;
bL
swq 34s:|w6y 1.3 取当前月
N@tzYD|hA int 月= DateTime.Now.Month;
/vsQ <t;~ J*a`qU
1.4 取当前日
`=q)-y_C int 日= DateTime.Now.Day;
+SUQRDF@i Yw?%>L 1.5 取当前时
JfKl=vg int 时= DateTime.Now.Hour;
D'uzH|z8 sx`C<c~u 1.6 取当前分
WXO@oZ! int 分= DateTime.Now.Minute;
zcIZJVYA r4!zA-{ 1.7 取当前秒
,h8)5Mj/J int 秒= DateTime.Now.Second;
3o"~_l$z R%7k<1d'` 1.8 取当前毫秒
-qid. int 毫秒= DateTime.Now.Millisecond;
'hU&$lgMF a l#yc 28.自定义分页代码:
*(D_g!a CFRo>G 先定义变量 :
z~z.J] public static int pageCount; //总页面数
DC[-<:B public static int curPageIndex=1; //当前页面
;9B:E"K?@1 }6^( 下一页:
MFE~bU(h if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
)7c^@I;7 {
6M612 DataGrid1.CurrentPageIndex += 1;
N-_2d*l 3 curPageIndex+=1;
"b-6kM }
R:^GNra; l}:9)nXA{ bind(); // DataGrid1数据绑定函数
~[ve?51 cJi5\<b 上一页:
//V?rs if(DataGrid1.CurrentPageIndex >0)
(nvSB}? {
G^)|c<'M DataGrid1.CurrentPageIndex += 1;
/+02BP curPageIndex-=1;
|`:Uww+3 }
\$riwL O3Ks|%1 bind(); // DataGrid1数据绑定函数
urXM}^ ?\ho9nyK 直接页面跳转:
'3%!Gi!g int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
P`V#Wj4\ #_|b;cf if(a<DataGrid1.PageCount)
o*5|W9 {
0r:8ni%cL this.DataGrid1.CurrentPageIndex=a;
]<++w;#+x }
ph^qQDA B-r9\fi, bind();
t=A|
K Wc-P= J*m 29.DataGrid使用:
mP3:Fc_G Q:=s99 添加删除确认:
u )
fbR private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BX+-KvT {
i aP+Vab foreach(DataGridItem di in this.DataGrid1.Items)
%<I0-o {
4y%N(^ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
mxP{"6 {
vV"TTzs! ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
r&Za*TD^ }
}IEYH&4! }
SGjaH8z }
-pa.-@ w7w$z_P 样式交替:
I:AlM? ListItemType itemType = e.Item.ItemType;
NWX~@Rg s)xfTr_$ if (itemType == ListItemType.Item )
cZ^$!0 {
+w GE e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
TtKBok e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
vEn12s(lj }
{l_R0 else if( itemType == ListItemType.AlternatingItem)
4/Ok/I {
%# J8cB e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
|Q.?<T:wt= e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/$I&D}uR` }
_%Mu{Ni& %)\Cwl 添加一个编号列:
DRf~l9f DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
q'q'v
S DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
*A
c~ nSgg'I( for(int i=0;i<dt.Rows.Count;i++)
Y:*mAv;& {
9OXrz}8C dt.Rows["number"]=(i+1).ToString();
shnfH }
Y5PIR9 - zS|%+er~zO DataGrid1.DataSource=dt;
]<W1edr DataGrid1.DataBind();
*C's7O{O LFV;Y.-(h DataGrid1中添加一个CheckBox,页面中添加一个全选框
HHa7Kh|-H private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
EUUj-.dEN {
kc/h]B foreach(DataGridItem thisitem in DataGrid1.Items)
.R biF {
&<.Z4GxS ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
mxGvhkj }
>:Q:+R;3o }
s( 2=E| |~v($ c 将当前页面中DataGrid1显示的数据全部删除
j!:U*}f foreach(DataGridItem thisitem in DataGrid1.Items)
#@lr$^M
{
-v >BeVF if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
E62VuX {
,7/un8:%c string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
jwAO{.}T1r Del (strloginid); //删除函数
q`9~F4\ }
-+Quw2465^ }
`C_#EU- 98o;_tU' 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)
G?>~w[#mQR /i
DS#l\0 在Application_Start中添加以下代码:
O&d(FJZ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ukq9Cjs AppSettings["ConnStr"].ToString();
R!}B^DVt sy/J+== 31. 变量.ToString()
][wS}~): AVNB)K" 字符型转换 转为字符串
2MB\!fh 12345.ToString("n"); //生成 12,345.00
8q_3*++D 12345.ToString("C"); //生成 ¥12,345.00
owYfrf3ZLX 12345.ToString("e"); //生成 1.234500e+004
>Z<ym|(T* 12345.ToString("f4"); //生成 12345.0000
G9Azd^3 12345.ToString("x"); //生成 3039 (16进制)
8*6J\FE<p 12345.ToString("p"); //生成 1,234,500.00%
$`_(%tl PX2Ejrwj 32、变量.Substring(参数1,参数2);
Z''Fz(qMC Ob0=ZW`+& 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
hO{@!H$l )@SIFE 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)
alHwN^GhP <SCRIPT language="javascript">
o)S>x0|[ <!--
$V`O%Sz function gook(pws)
Ldir'FW {
?xUz{O0/ frm.submit();
]~kqPw<R }
b39;Sv|# //-->
>k _Z]J6Pd !v`q%JW( </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
s.GTY@t <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
w8FZXL <tr>
_%i|* <td>
ufEt"P-X. <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
']+H P9i$ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
,u~\$Az6 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Wc`Vcn1 ;J?^M!l2= <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Zd~s5 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
l*% voKZG 4Z]^v4vb </td>
'*-X3p b;!ilBc </tr>
S$muV9z2= mpr["C"l </form>
:GL|:
36Wuc@<H 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
F)DL/'; H@aCo(# 下面是获取用户输入的登陆信息的代码:
tEP^w string name;
Kau*e8 name=Request.QueryString["EmailName"];
hh: )"<[ WxO*{`T! try
]
mP-HFl {
Q&M(wnl5 int a=name.IndexOf("@",0,name.Length);
/0SPRf}p f_user.Value=name.Substring(0,a);
|U7{!yy%MF f_domain.Value=name.Substring(a+1,name.Length-(a+1));
c%uhQ62 f_pass.Value=Request.QueryString["Psw"];
r=@h}TKv{I }
bIWcL$}4Q 7Dm^49H catch
8yztV dh {
8h AI l Script.Alert("错误的邮箱!");
P?]q*KViM Server.Transfer("index.aspx");
:I<%.|8 }