1. 打开新的窗口并传送参数:
%~2YE BlA_.]Sg$ 传送参数:
U<_3^ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
xQ^E"Q,1 Kk-S}.E 接收参数:
iiS-9>]/ string a = Request.QueryString("id");
Hn%xDJ' string b = Request.QueryString("id1");
/7|V+6jV AK*LyR? 2.为按钮添加对话框
,P70Jb Button1.Attributes.Add("onclick","return confirm(’确认?’)");
hp 5|@ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
"J[K 3 H1QJk_RL 3.删除表格选定记录
4GY[7^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
LXC9I/j/ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
;;C?{ o:3dfO%nuM 4.删除表格记录警告
i*Sqd a
$ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
+#lM {
N D(/uyI switch(e.Item.ItemType)
kT"Kyd {
zxbpEJzpn case ListItemType.Item :
7BK0}sxO case ListItemType.AlternatingItem :
2\jPv`Ia case ListItemType.EditItem:
(`c
[#0=n TableCell myTableCell;
V-Sd[ myTableCell = e.Item.Cells[14];
&U5{Hm9Ynr LinkButton myDeleteButton ;
jB$IyQ;@ myDeleteButton = (LinkButton)myTableCell.Controls[0];
J;{N72 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
GVYBa_gx break;
W&&;:Fr default:
[<g?WPCcC break;
pgI^4h }
j3{I /m +;N2p1ZBf }
]*
F\"C@ aWWU4xe 5.点击表格行链接另一页
TDFkxB> private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_wkVwPr {
5Iy;oZ //点击表格打开
/%}*Xh if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^S UPi e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ZUVA EH% }
2jg- ![YX]+jqNp 双击表格连接到另一页
/ ';0H_ +*ZO&yJQ^< 在itemDataBind事件中
wKZ$iGMbz if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Pe3@d|-,MU {
)}D'<^=#T string OrderItemID =e.item.cells[1].Text;
u37'~&o{U ...
Xjo5v*P u e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
&]e'KdXF }
&x[E;P*Fg L+Xc-uv["p 双击表格打开新一页
L;VoJf if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ej4W{IN~: {
%{AO+u2i string OrderItemID =e.item.cells[1].Text;
S1p;nK ...
x }\64 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Sp@^XmX(S }
W-x?:X<} QMa;Gy ★特别注意:【?id=】 处不能为 【?id =】
E*.{=W }C 6.表格超连接列传递参数
iVp,e <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
o<<xY< <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
P3cR l'] ROg(U8
N 7.表格点击改变颜色
T]t+E'sQ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{5%5}[/x {
o.w\l\ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
G;v8$)Zj this.style.color=’buttontext’;this.style.cursor=’default’;");
LJk@Vy <? }
,TXTS*V? TD'L'm|2 写在DataGrid的_ItemDataBound里
0Sle
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^T ?RK"p {
[s"O mAy4 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
-BRc8 / this.style.color=’buttontext’;this.style.cursor=’default’;");
$}J5xG,}$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
i`QKH }
uJFdbBDSh w.H%R-Be _d"b;4l 8.关于日期格式
N}pw74=1 *of3:w 日期格式设定
q*F{/N** DataFormatString="{0:yyyy-MM-dd}"
gZLP\_CL d]:I(9K 我觉得应该在itembound事件中
M,/mE~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
[`^a=:* ~aMlr6; 9.获取错误信息并到指定页面
u+'tfFds& Sz^
veh? 不要使用Response.Redirect,而应该使用Server.Transfer
f0X_fm_q nQ q=7Gu e.g
k.uMp<)D // in global.asax
*a58ZI@ protected void Application_Error(Object sender, EventArgs e) {
Z8rvWH9 if (Server.GetLastError() is HttpUnhandledException)
~(Q)"s\1I Server.Transfer("MyErrorPage.aspx");
vg3=8># 'yL%3h
_@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
a4XU?-sUh }
D@Vt^_ e6d<dXx 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
_(h&7P9 $lLz3YS 10.清空Cookie
nq6@6GRG Cookie.Expires=[DateTime];
VO$
iNK Response.Cookies("UserName").Expires = 0
NMa}
< AQ_|: 11.自定义异常处理
"br,/Dk>MX //自定义异常处理类
TNGU6j}oq using System;
5<UVD:~z using System.Diagnostics;
@7?#Y|` f ` R/
i namespace MyAppException
8Le||)y,\ {
f6p-s
y> /// <summary>
D'J0wT# /// 从系统异常类ApplicationException继承的应用程序异常处理类。
S"xKL{5 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
qWODs /// </summary>
@}@Z8$G^ public class AppException:System.ApplicationException
CC L {
8=gjY\Dp public AppException()
K2J\awX {
CE/Xfh'44 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6f\Lf?vF }
%O! v"Xh T`5bZu^c public AppException(string message)
X{\F;Cb* {
_Em. LogEvent(message);
cVv;Jn }
J/[=p<I) Jo@|"cE= public AppException(string message,Exception innerException)
k3)dEH1z {
|Z=^`J LogEvent(message);
+\F'iAs@ if (innerException != null)
,u`B<heoLU {
PfC!lI
BU LogEvent(innerException.Message);
%F-ZN^R }
1 D<_N }
2vAQ Kfh| //日志记录类
YKO){f5 using System;
/.Ww6a~ using System.Configuration;
6~1|qEe6I using System.Diagnostics;
SVO 3821 using System.IO;
>hk=VyU; using System.Text;
^eR%N8Z using System.Threading;
%l,,_:7{ ]3KhgK%c8 namespace MyEventLog
}M3fmAP} {
}Rz3<eON /// <summary>
n&-qaoNl /// 事件日志记录类,提供事件日志记录支持
1@QZnF5[ /// <remarks>
YN!>} /// 定义了4个日志记录方法 (error, warning, info, trace)
^(|vsFzn /// </remarks>
n#wI@W>%+ /// </summary>
!+L/Khw/C public class ApplicationLog
nij!1z|M {
b0Kc^uj5 /// <summary>
W!6qqi{ /// 将错误信息记录到Win2000/NT事件日志中
6y6<JR-V2k /// <param name="message">需要记录的文本信息</param>
b+f'[; /// </summary>
kX>f^U{j public static void WriteError(String message)
WIv?}gi:
X {
0IfKJ*]M WriteLog(TraceLevel.Error, message);
*T~Ve;3h; }
Fl1;;F :j]vf8ec /// <summary>
UmQ?rS8d /// 将警告信息记录到Win2000/NT事件日志中
s;64N'HH /// <param name="message">需要记录的文本信息</param>
<K8\n^i~c /// </summary>
72oF ,42y public static void WriteWarning(String message)
Um: Hrjw {
2EfF=Fm> WriteLog(TraceLevel.Warning, message);
wAxrc+ }
/6h(6 *JI h3Q21D'f /// <summary>
N9vP7 /// 将提示信息记录到Win2000/NT事件日志中
<_XWWT% /// <param name="message">需要记录的文本信息</param>
w*|7!iM /// </summary>
I;Bjfv5 public static void WriteInfo(String message)
yRiP{$E {
tWoh''@# WriteLog(TraceLevel.Info, message);
])Qs {hs~s }
7
<Q5;J&; /// <summary>
;Hj~n+ /// 将跟踪信息记录到Win2000/NT事件日志中
vsr[ur[eP /// <param name="message">需要记录的文本信息</param>
,I_^IitN /// </summary>
>B2q+tA public static void WriteTrace(String message)
[fKUyIY_ {
9>g, WriteLog(TraceLevel.Verbose, message);
>$,y5 AJ& }
?zsB6B?; D*YM[sN` /// <summary>
r?*NhLG; /// 格式化记录到事件日志的文本信息格式
Q&M'=+T /// <param name="ex">需要格式化的异常对象</param>
k*-NsNPw$ /// <param name="catchInfo">异常信息标题字符串.</param>
!6w{(Rc(C /// <retvalue>
XtBMp=7Oa /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
%McO6.M@ /// </retvalue>
Ak~4|w- /// </summary>
fn9#>~vrD public static String FormatException(Exception ex, String catchInfo)
S)%_we LW7 {
=z:U~D StringBuilder strBuilder = new StringBuilder();
:k46S<RE if (catchInfo != String.Empty)
'Zk<l#"} {
/'y5SlE[J strBuilder.Append(catchInfo).Append("\r\n");
v@G4G*x\ }
G5Q!L;3HZ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
][Y^-Ak1 return strBuilder.ToString();
#1$}S=8*f }
H7 o$O IiQWs1 /// <summary>
L+`}euu5 /// 实际事件日志写入方法
WllCcD1 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
a2IV!0x /// <param name="messageText">要记录的文本.</param>
im_0ur&' /// </summary>
!!\4'Q[ private static void WriteLog(TraceLevel level, String messageText)
gqKC 4'G0 {
~6pCOS} try
+X4ttv {
uT@8 _9 EventLogEntryType LogEntryType;
(*c`<|) switch (level)
jp\JwE {
`3H?*\<( case TraceLevel.Error:
,DW0A// LogEntryType = EventLogEntryType.Error;
9'1;-^U1 break;
6-Vl#Lyb case TraceLevel.Warning:
_r^G%Mvy| LogEntryType = EventLogEntryType.Warning;
&St~!y6M? break;
1-ndJ@Wlz case TraceLevel.Info:
$Adp LogEntryType = EventLogEntryType.Information;
ACMpm~C8Gu break;
g@N=N case TraceLevel.Verbose:
\^^hG5f LogEntryType = EventLogEntryType.SuccessAudit;
xw/h~:NT break;
{jCu9 ]c! default:
!S$oaCxM LogEntryType = EventLogEntryType.SuccessAudit;
p3'mJ3MA break;
x Jj8njuq4 }
Uz m[e%/` (urfaZ;@+ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
4jue_jsle //写入事件日志
B "s8i{Vm eventLog.WriteEntry(messageText, LogEntryType);
"|~B};|MFF UO7a}Tz< }
_mq*j^u,j catch {} //忽略任何异常
a#~Z5>{ }
R*c0NJF } //class ApplicationLog
Dk.9&9mz }
t=@Jw |]
f"j': 12.Panel 横向滚动,纵向自动扩展
VNh,pQ( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
J 6d n~nPK >8{`q!=|~ 13.回车转换成Tab
v"?PhO/{= <script language="javascript" for="document" event="onkeydown">
Qe=Q8cT if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
F.* snF event.keyCode=9;
WRU@i;l </script>
OYRR'X.E \t~u
:D onkeydown="if(event.keyCode==13) event.keyCode=9"
w[$Wpae )v$Cv|" 14.DataGrid超级连接列
7 +W?Qo DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
} C2i#;b e|+;j}^C 15.DataGrid行随鼠标变色
7{/:, private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3B_} : {
4 d 1Y\ if (e.Item.ItemType!=ListItemType.Header)
|LGNoP}SA {
do?n /<@o e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
0?*I_[Y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Iy 8E$B; }
J?=Ob?+
_ }
&oEq& .$x[!fuuR& 16.模板列
^OcfM_4pN <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
6+d"3-R. <ITEMTEMPLATE>
g!|E!\p <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
%'~<:>:"E </ITEMTEMPLATE>
;s/b_RN </ASP:TEMPLATECOLUMN>
R*5;J`TW 9P>S[= <ASP:TEMPLATECOLUMN headertext="选中">
$.]t1e7s <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
^~IcQ!j/5 <ITEMTEMPLATE>
y Q @=\' <ASP:CHECKBOX id="chkExport" runat="server" />
.aH?H]^ </ITEMTEMPLATE>
H;!hp0y <EDITITEMTEMPLATE>
Rw^YTv <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
ImY*cW=M </EDITITEMTEMPLATE>
ifCGNvDR </ASP:TEMPLATECOLUMN>
z00:59M4 p$G3r0@ 后台代码
8ch~UBq/ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
7T;RXrT {
"RX5] eJc\ //改变列的选定,实现全选或全不选。
l@F
e(^5E CheckBox chkExport ;
Wn#JYp if( CheckAll.Checked)
eii7pbc {
E4@fP]R+ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
B148wh#r {
9wJmX<Rm chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a^/20UFq chkExport.Checked = true;
U)1qsUDF }
Llc|j&yHQ }
TUn@b11 else
r.5Js*VX! {
\$|UFx foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
)g<qEyJR {
KgAX0dM chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5j01Mx
A chkExport.Checked = false;
Cx'=2Y 7 }
S^n4aBm\+ }
H#`?toS }
&t:MWb; K'/x9.'% 17.数字格式化
a~EEow;A 5DUPsV 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
w%H#>k <%#Container.DataItem("price","{0:¥#,##0.00}")%>
/7)G"qG~F~ !K)|e4$ int i=123456;
'Em($A( string s=i.ToString("###,###.00");
nu-wQr ZN/") 18.日期格式化
QG
ia( K[Kc'6G 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
B{<6&bQ 4BX*-t 显示为: 2004-8-11 19:44:28
jkd8M;Jw Z~<V>b 我只想要:2004-8-11 】
mqpZby <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
~$<@:z{* XCY4[2*a> 应该如何改?
?g2K& +{&g|V 【格式化日期】
/V~(!S> ]b)(=-;> 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Z]dc%> ,;g:qe3D$ 【日期的验证表达式】
-\vq-n '=5N?) A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_eS*e-@O5 ^((\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})))?$
7e4\BzCC
`*B8IT) B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
e3.TGv7= ^\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]))$
49yN|h;c! Wl{Vz 【大小写转换】
x<" e HttpUtility.HtmlEncode(string);
f>o@Y]/l HttpUtility.HtmlDecode(string)
6FfDif se-}d.PwL 19.如何设定全局变量
fw5AZvE6$ R_ csKj Global.asax中
"+Kr1nW yTk9+ > Application_Start()事件中
yq2Bz7P c?|/c9f 添加Application[属性名] = xxx;
%(i(ZW " ;:cM^LJ 就是你的全局变量
MFVFr "
/YHeO 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
~96"^%D
;YB8X&H$ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
e.Ii@< {)G3*>sG3 【ASPNETMENU】点击菜单项弹出新窗口
{Su]P {oJ j \SDw 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
k[][Md2Vh <?xml version="1.0" encoding="GB2312"?>
7+0hIKrFC <MenuData ImagesBaseURL="images/">
nV'B!q <MenuGroup>
E-RbFTVBA <MenuItem Label="内参信息" URL="Infomation.aspx" >
\.{?TB <MenuGroup ID="BBC">
REa%kU <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
i"r=b%;; <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
:x_l"y" ......
]M_)f $.`(2 最好将你的aspnetmenu升级到1.2版
0FXM4YcrJO T_r[#j 21.读取DataGrid控件TextBox值
E3`KO'v% foreach(DataGrid dgi in yourDataGrid.Items)
!0cfz5t {
#GTmC|[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
pt=[XhxC(> tb.Text....
:yv!
x }
eudPp"Km am`eist: 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?
1wwhTek ,TL~];J' 〖思归〗
]J~5{srq: <asp:TemplateColumn HeaderText="数量">
,u$$w <ItemTemplate>
rGoB&% pc <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
u{J:wb onkeyup="javascript:DoCal()"
qWo|LpxWt />
-5.>9+W8I `9@!"p
f <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
-O2QzzE& </ItemTemplate>
dNIY`u </asp:TemplateColumn>
YV0e)bf >5 Ce/P'R <asp:TemplateColumn HeaderText="单价">
N#|c2n+ <ItemTemplate>
qbB.Z#w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
aFKks .n3 onkeyup="javascript:DoCal()"
e;Q~P]x />
y![h d@`yRueWiV <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
G$ip Wi |U12fuQ </ItemTemplate>
WC}mt%H*O </asp:TemplateColumn>
bvZmozbD *,mbZE=< <asp:TemplateColumn HeaderText="金额">
J\#6U|a""u <ItemTemplate>
?jy^WF` <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
=n%?oLg^ </ItemTemplate>
'v4AM@%u </asp:TemplateColumn><script language="javascript">
~KEnZa0 function DoCal()
_M{m6k(h {
'M YqCfIK var e = event.srcElement;
D`iWf3a. var row = e.parentNode.parentNode;
k?1cxY s var txts = row.all.tags("INPUT");
{_PV~8u if (!txts.length || txts.length < 3)
)6Z)z;n]aW return;
+HUI1@ql bSBI[S
var q = txts[txts.length-3].value;
7-bU9{5 var p = txts[txts.length-2].value;
^h=;]vxO @~/LsYA: if (isNaN(q) || isNaN(p))
@^/JNtbH! return;
Ix-FJF- w~Es,@ q = parseInt(q);
e$ E=n p = parseFloat(p);
v:<u0B-)$ H?M8j] R-) txts[txts.length-1].value = (q * p).toFixed(2);
Wv$e/N`l }
*m2J$9q </script>
> lN{FJ :8MpSvCV 866n{lyL Uo5l
=\ @I#@%"AW 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
f`P%aX'cBQ page_load
X|@|ZRN page.smartNavigation=true
N^CD4l zd"o #(sv 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
.,<-lMC+ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
{>>f5o3 {
-i7W|X" for(int i=0;i<e.Item.Cells.Count-1;i++)
{}{|trr-E if(e.Item.ItemType==ListItemType.EditType)
!2$O^
}6" {
p7Gs e.Item.Cells.Attributes.Add("Width", "80px")
s3Y
\,9\ }
[gQ*y~N }
qP *$wKY, jvCk+n[ 26.对话框
0=yKE J private static string ScriptBegin = "<script language=\"JavaScript\">";
%)u5A!" private static string ScriptEnd = "</script>";
9^3y\@ m d* 7 Tjs{\ public static void ConfirmMessageBox(string PageTarget,string Content)
+Q8Bin {
X#Ajt/XQ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
sGc4^Z%l? j ]F
Zy ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
O. V!L &iId<.SiJ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
b_z;^y~ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
sn]8h2z //Response.Write(strScript);
C$b$)uI; }
zgJ%Zr!~ *R0Ae 4 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
MX xRM~ hF.9\X] 1.1 取当前年月日时分秒
$
GL$
iA currentTime=System.DateTime.Now;
U;LbP-{B }pTy mAN 1.2 取当前年
Sz.jv#Y int 年= DateTime.Now.Year;
]b-Z;Nce 0Zs}y\J` 1.3 取当前月
'/Hx0]V int 月= DateTime.Now.Month;
}2|>Y[v2j C;y3?+6P$ 1.4 取当前日
!dv int 日= DateTime.Now.Day;
n [[rI0]g k "LbB#Q 1.5 取当前时
oL2|@WNj, int 时= DateTime.Now.Hour;
[2a*TI EdhT;! 1.6 取当前分
/0uZ(F|>I int 分= DateTime.Now.Minute;
=P<gZ-Cm %J!+f-:= 1.7 取当前秒
NU-({dGK} int 秒= DateTime.Now.Second;
5P,{h YYzj:' 1.8 取当前毫秒
#Wey)DI int 毫秒= DateTime.Now.Millisecond;
?a+tL'D[ !i&^H, 28.自定义分页代码:
82WXgB> hyH " 先定义变量 :
!?`5r)K public static int pageCount; //总页面数
T@;z o8: public static int curPageIndex=1; //当前页面
>?ZH[A }eX zs_ 下一页:
&B1d+.+ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
%=xR$<D {
;;pxI5 DataGrid1.CurrentPageIndex += 1;
)cNG)F curPageIndex+=1;
a;|C51GH }
jhr{JApbJv C\Qor3]; bind(); // DataGrid1数据绑定函数
w4H3($
K UQgOtqL3 上一页:
>:%i,K*AM if(DataGrid1.CurrentPageIndex >0)
,F`:4=H% {
>:!TfuU^R DataGrid1.CurrentPageIndex += 1;
+ |Z1U$0g curPageIndex-=1;
Wky=]C% }
JhRXfIK>{ TMj(y{2 bind(); // DataGrid1数据绑定函数
*G7$wW:? Fy3&Emu 直接页面跳转:
_Il/ i& int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8aQ\Yx Va/LMw if(a<DataGrid1.PageCount)
Qctm"g| {
RbKAB8 this.DataGrid1.CurrentPageIndex=a;
3U9]&7^ }
Gnop -Qgu6Ty bind();
/PH+K24v~ c+c3C8s*8 29.DataGrid使用:
e;\g[^U p1
>
D 添加删除确认:
^UHt1[ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
jU
|0!] {
1A"h!;0 foreach(DataGridItem di in this.DataGrid1.Items)
t$^1A1Ef {
Q]9H9?}N? if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
7K>FCT {
'yxRz5 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Is&z~Xy/ }
pMnkh}Q# }
4vKp341B }
-fIX6 iD+Q\l;% 样式交替:
cf)2GoV>e ListItemType itemType = e.Item.ItemType;
S7&w r@ G{
~pA4 if (itemType == ListItemType.Item )
YzJ\< tkp {
j3jf:7 /\ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
xvOGE]n e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
E:/G!1 }
>U.TkB else if( itemType == ListItemType.AlternatingItem)
H'|b$rP0@ {
+U_> Bo e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
HTiqErD2_ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
t<s:ut)Q! }
g BfYm rM<|<6(L 添加一个编号列:
F`KA^ZI DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
t:NTk( DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
b)RU+9x & ]Tk3@jw+b for(int i=0;i<dt.Rows.Count;i++)
x
LR
2H>B} {
fWie fv[& dt.Rows["number"]=(i+1).ToString();
9SF2 }
ov&4&v &TYTeJ] DataGrid1.DataSource=dt;
`(s&H8x# DataGrid1.DataBind();
Y^DS~CrM rmXxid DataGrid1中添加一个CheckBox,页面中添加一个全选框
R{Q*"sf private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Wm>[5h%> {
x~p8Mcv foreach(DataGridItem thisitem in DataGrid1.Items)
HnU; N S3J {
DZo7T! ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
tUouO0_l }
fa7Z=:aG }
1|$V Pqiw[ +a$ 将当前页面中DataGrid1显示的数据全部删除
|"h# Q[3 foreach(DataGridItem thisitem in DataGrid1.Items)
3db ,6R {
eX7dyM if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
v5STe` {
qW*JB4`?a string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
y)iT-$bQ Del (strloginid); //删除函数
QHOA__? }
)yvI { }
!$&k@#v: ?/ xk 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)
T"7Ue q =sEtH=
在Application_Start中添加以下代码:
Y_m/? [: Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
4q sIJJ[. AppSettings["ConnStr"].ToString();
d%1Tv1={ ~ [L4,q 31. 变量.ToString()
}uWIF|h~ `K -j 字符型转换 转为字符串
lS"g[O+ 12345.ToString("n"); //生成 12,345.00
>YP6/w,e 12345.ToString("C"); //生成 ¥12,345.00
3ZdheenK9 12345.ToString("e"); //生成 1.234500e+004
6*yt^[W 12345.ToString("f4"); //生成 12345.0000
P$LHsg] 12345.ToString("x"); //生成 3039 (16进制)
DmDsn 12345.ToString("p"); //生成 1,234,500.00%
Yq~$Q4 i-1lpp I 32、变量.Substring(参数1,参数2);
&5JTcMC^ /.PjHTM< 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);
'a ]4]d OZ{YQ}t{^1 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)
6z;C~_BV <SCRIPT language="javascript">
U*Q1(C <!--
_X
?W)]: function gook(pws)
;. jnRPo"; {
VI83 3 frm.submit();
ODS8bD0!i }
'Xj9sAB //-->
WhPwD6l> ,3 !D(& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
%:61@< <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
%V r vu5 <tr>
Qsv3`c <td>
fL3Px <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
ly,3,ok <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
i%~^3/K <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
"9mVBa|Q ~Sq!P <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Zp5;=8wa; <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Xx.4K>j+j &