1. 打开新的窗口并传送参数:
,E%O_:}R /&czaAR- 传送参数:
m'
|wlI[lq response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
>-3>Rjo> -V"W 接收参数:
fb[lL7 string a = Request.QueryString("id");
Z rgv* string b = Request.QueryString("id1");
+.rOqkxJ k3Puq1H 2.为按钮添加对话框
@li/Y6Wh Button1.Attributes.Add("onclick","return confirm(’确认?’)");
{z;K0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
0#m=76[b NP4u/C< 3.删除表格选定记录
f1U8 b*F< int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
v7hw% 9(= string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
nC?Lz1re VT~%);.# 4.删除表格记录警告
dd
+lQJ c private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
k#/cdK!K {
+`$$^x switch(e.Item.ItemType)
])?h~
{
w~=xO_% case ListItemType.Item :
GlC (uhCpV case ListItemType.AlternatingItem :
*L Y6hph" case ListItemType.EditItem:
O OABn* TableCell myTableCell;
bkpN`+c myTableCell = e.Item.Cells[14];
<{YzmN\Z LinkButton myDeleteButton ;
23'{{@30 myDeleteButton = (LinkButton)myTableCell.Controls[0];
FKhgUnw myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@FF{lK?[
break;
DqmKDU default:
/+ais3 break;
6V6Mo}QF
s }
+o0yx U
7t qM2m ! }
=@hCc PJ<qqA`! 5.点击表格行链接另一页
}1CvbB%,A private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)1GJ^h$l {
| (,{&\ //点击表格打开
=Uo*-EH if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
utn,`v e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
bcxR7<T,"9 }
,I]]52+?4 tqp i{e 双击表格连接到另一页
0G Q8}r 2#/sIu-L 在itemDataBind事件中
X(8LhsP if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^q%f~m,O< {
nYvkeT string OrderItemID =e.item.cells[1].Text;
Lm1JiPs d ...
eIf-7S]m e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
,[dvs&-* }
Dk2Zl ~,8#\]xR 双击表格打开新一页
q @wX= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
kK:Wr&X0H {
E7w^A string OrderItemID =e.item.cells[1].Text;
. _Jypk8 ...
cbzS7q<) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
C}L2'l, }
@$%.iQ7A; J{XRltI+ ★特别注意:【?id=】 处不能为 【?id =】
I1K %n'D 6.表格超连接列传递参数
^R(=4%8%" <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
wM-H5\9n <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
?zVE7;r4U D)S_ p& 7.表格点击改变颜色
;/IXw>O(/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
VuK>lY& {
0r!F]Rm-^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
p`52 this.style.color=’buttontext’;this.style.cursor=’default’;");
IEkbVIA( }
PB BJ.!Pb CU*;>h1~u 写在DataGrid的_ItemDataBound里
} ,Dk6w$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9Gx`[{wI9< {
n%02,pC6, e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
N1x~-2( this.style.color=’buttontext’;this.style.cursor=’default’;");
i 2[8^o`_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
,&* BhUC }
E2`9H-6e {aK3'-7 K05T`+N, 8.关于日期格式
:gRVa=}= ;Cty"H, 日期格式设定
{CTJX2& DataFormatString="{0:yyyy-MM-dd}"
^bdXzjf N{M25ucAHl 我觉得应该在itembound事件中
q,;wD1_wG e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
3e\IRF xzb ^\yz`b(A0 9.获取错误信息并到指定页面
?Ho> EyBTja(4 不要使用Response.Redirect,而应该使用Server.Transfer
3mg:9]X9 [?$tu%Q(Z e.g
XV)ctF4 // in global.asax
K,*z8@ protected void Application_Error(Object sender, EventArgs e) {
45jImCm if (Server.GetLastError() is HttpUnhandledException)
:n%& Server.Transfer("MyErrorPage.aspx");
QXy=| ~9;udBfwF //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
fZnq5rTk" }
0[7"Lhpd XCXX(8To0= Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
hx:^xW@r4P QWC C 10.清空Cookie
A.$P1zwC Cookie.Expires=[DateTime];
)N\ BC Response.Cookies("UserName").Expires = 0
/paZJ}Pr. )%8st' 11.自定义异常处理
sEL0h4 //自定义异常处理类
|fgh
ryI, using System;
#hXvGon$? using System.Diagnostics;
pXA|'U5] $uRi/%Q9 namespace MyAppException
[.CP,Ly {
l$R9c+L= /// <summary>
t"MrrK>T /// 从系统异常类ApplicationException继承的应用程序异常处理类。
P1Iy>%3 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
'Ddzlip /// </summary>
hyhm{RC?[ public class AppException:System.ApplicationException
6
Pdao{P {
q{f (T\ public AppException()
rD !GEU {
'cc{sjG if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Np$ue
}yr }
l2Rnyb<;; h1f 05 public AppException(string message)
j|XL$Q {
T;S6<J LogEvent(message);
]kO|kIs }
:1]J{,VG 1vJj?Uqc public AppException(string message,Exception innerException)
|PGTP#O< {
BV}sN{ LogEvent(message);
EDF0q i if (innerException != null)
.%M80X{5~ {
dqFp"Xe"% LogEvent(innerException.Message);
.CW,Td3f! }
_E/ }
0c,!<\B @V^5_K //日志记录类
2a 7"~z~ using System;
b+$wx~PLi using System.Configuration;
;r.#|b using System.Diagnostics;
eIhfhz?Q;# using System.IO;
"/3YV%to-# using System.Text;
,TYFPulYcp using System.Threading;
qT#NS&T!- nD!t*P namespace MyEventLog
K @:t6 {
8cURYg6v /// <summary>
]A1'+!1$ /// 事件日志记录类,提供事件日志记录支持
~I~lb/ /// <remarks>
F9A5}/\ /// 定义了4个日志记录方法 (error, warning, info, trace)
=&DuQvN, /// </remarks>
sJ5#T iX /// </summary>
s; sr(34
public class ApplicationLog
15Jc PDV {
j^h:*rw /// <summary>
J'k^(ZZ /// 将错误信息记录到Win2000/NT事件日志中
82 o|(pw /// <param name="message">需要记录的文本信息</param>
sN MF(TY /// </summary>
S?c<Lf~W public static void WriteError(String message)
WKwYSbs( {
3|EAOoWnK WriteLog(TraceLevel.Error, message);
h&~9?B }
2~V"[26t \zOsq5} /// <summary>
k(@W
z>aCv /// 将警告信息记录到Win2000/NT事件日志中
]a[2QQ+g /// <param name="message">需要记录的文本信息</param>
J\J3'u /// </summary>
P=s3&NDD public static void WriteWarning(String message)
4`Jf_C {
] 8<`&~a WriteLog(TraceLevel.Warning, message);
ZQ-6n1O }
^}J,;Zhu5 C@pn4[jTl /// <summary>
19%zcYTe /// 将提示信息记录到Win2000/NT事件日志中
C3
BoH& /// <param name="message">需要记录的文本信息</param>
d vo|9 > /// </summary>
JcfGe4 public static void WriteInfo(String message)
ZzP&Zrm {
Deq@T { WriteLog(TraceLevel.Info, message);
^)a j,U[ }
_'n]rQ' /// <summary>
TJZar Nc$ /// 将跟踪信息记录到Win2000/NT事件日志中
G6xNR /// <param name="message">需要记录的文本信息</param>
9Q7342 /// </summary>
$0+&xJVn public static void WriteTrace(String message)
Mf7
[@#$ {
b+L !p.: WriteLog(TraceLevel.Verbose, message);
`_BmVms }
as!P`*@ GXRW"4eF5 /// <summary>
su\`E&0V+ /// 格式化记录到事件日志的文本信息格式
|C0!mU /// <param name="ex">需要格式化的异常对象</param>
bik lja /// <param name="catchInfo">异常信息标题字符串.</param>
w?Cho</Xu /// <retvalue>
V0%a/Hi v
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
m9\~dD /// </retvalue>
@CoUFdbz /// </summary>
Zb'a+8[ public static String FormatException(Exception ex, String catchInfo)
TKVS%// {
aEun *V^, StringBuilder strBuilder = new StringBuilder();
]Z52L`k if (catchInfo != String.Empty)
S@TfZ3Go| {
&MB1'~Q,hq strBuilder.Append(catchInfo).Append("\r\n");
~n(LBA }
0r?]b*IEK strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
$FZcvo3@*S return strBuilder.ToString();
pOhjq#} }
^/xb-tuV `B$Pk0>5r /// <summary>
NSq29# /// 实际事件日志写入方法
'a:';hU3f /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
O[p c$Pi /// <param name="messageText">要记录的文本.</param>
P:5vS:s? /// </summary>
=F5zU5`i private static void WriteLog(TraceLevel level, String messageText)
+4Q1s?` {
7;Vmbt9 try
CBz=-Xr {
]u:Ij|.'y0 EventLogEntryType LogEntryType;
kxmsrQ>av switch (level)
w$""])o, {
o"kL,& case TraceLevel.Error:
_lC0XDZ LogEntryType = EventLogEntryType.Error;
2Zg%4/u,Zp break;
g[\8s~g, case TraceLevel.Warning:
h8;H<Y;yQ LogEntryType = EventLogEntryType.Warning;
7|o}m}yVx break;
*?>52 -&b case TraceLevel.Info:
}1Q>A 5e LogEntryType = EventLogEntryType.Information;
4H{$zMq8 break;
;q#Pl!*5 case TraceLevel.Verbose:
GgE
38~A4 LogEntryType = EventLogEntryType.SuccessAudit;
j(M.7Z7^ break;
Bw9O)++ default:
Xo6zeLHO LogEntryType = EventLogEntryType.SuccessAudit;
}Nma %6PfV break;
EoS6t }
E?VOst& 5v sn'=yN EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
'aS: Azb //写入事件日志
|:SIyXGbY eventLog.WriteEntry(messageText, LogEntryType);
LC e6](Z 57_AJT hR }
Iv u'0vF catch {} //忽略任何异常
_{GD\Ai_W }
9V;A+d, } //class ApplicationLog
E
0@u| }
E5a7p. L[U?{ 12.Panel 横向滚动,纵向自动扩展
hZ')<@hNP <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
omT^jh r?pN-x$M= 13.回车转换成Tab
Dv4 H^ <script language="javascript" for="document" event="onkeydown">
-a'D~EGB^ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
c(!pcB8 event.keyCode=9;
6QNZ/Ox: </script>
q2;CvoF mApl;D X onkeydown="if(event.keyCode==13) event.keyCode=9"
']Z%6_WF JZJb&q){ 14.DataGrid超级连接列
BHU=TK@GR DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
};f^*KZ=0 Kp!A
ay 15.DataGrid行随鼠标变色
]H<}6}Gd private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
V|/N-3M {
x Vw1 if (e.Item.ItemType!=ListItemType.Header)
]@CXUa,>a {
0%yPuY> e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
w BoP&l e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
f?(g5o*2 }
o?I`n*u"X }
8:Dkf v V}FH5z
| 16.模板列
r&~]6
U <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
<)"2rxX&5 <ITEMTEMPLATE>
?!3u?Kd <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
O8-Z >; </ITEMTEMPLATE>
^KV:.up6 </ASP:TEMPLATECOLUMN>
lXD=uRCI 2Tv
W 6 <ASP:TEMPLATECOLUMN headertext="选中">
$F]*B
` <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Fw^^sB <ITEMTEMPLATE>
R''2o_F6 <ASP:CHECKBOX id="chkExport" runat="server" />
)r(e\_n </ITEMTEMPLATE>
(@=h(u . <EDITITEMTEMPLATE>
%UG|R: <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
*9`k$' </EDITITEMTEMPLATE>
A[^k4> </ASP:TEMPLATECOLUMN>
y`cL3
xr4R VmZDU(M 后台代码
OD?y protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
*g4Uo{ {
.Vs|&c2im //改变列的选定,实现全选或全不选。
7324#Hw S CheckBox chkExport ;
>;}(?+|f if( CheckAll.Checked)
X9rao n {
KXBTJ& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_<?z-K_;I {
q77Iq0VR chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Pu'lp
O chkExport.Checked = true;
6H0aHCM }
xFA`sAucr }
l .m # else
?iL-2I3* {
EH'eyC-B< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
^__P;Gr` {
H)rJ>L chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:]LW,Eql chkExport.Checked = false;
HaF&ooI5+ }
;)ERxMun }
sGa " }
VS65SxHA BU|m{YZ$ 17.数字格式化
c57`mOe/b xX8c>p 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
v2YU2-X[ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
BLm}mb#/{ =r&i`L{] int i=123456;
X3y28 %R string s=i.ToString("###,###.00");
fS%B/h= "Q{7X[$$^ 18.日期格式化
^C}f|{J U?Vik 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
-tp3qi T7 (d 显示为: 2004-8-11 19:44:28
"i!W(}x+ cu#r#0U- 我只想要:2004-8-11 】
'yh)6mid <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
+u
lxCm_lV 6 I43a1[s 应该如何改?
cq/@ng*o q^L"@Q5; 【格式化日期】
o ,8;=f,7 +KIBbXF7 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
_9S"rH[ -@~4: o 【日期的验证表达式】
*]DO3Zw' iZ(JwY A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
n+s=u$%qn ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
0Cyus VI.Cmw~S B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"DRiJ.|APs ^\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]))$
B.);Ju -y/Y%]%0 【大小写转换】
T6\d] HttpUtility.HtmlEncode(string);
Ze?H HttpUtility.HtmlDecode(string)
}xgs]\^,73 %V(U]sbV 19.如何设定全局变量
rgEN~e' HLqDI lL Global.asax中
)?(_vrc< SN$3cg]z Application_Start()事件中
,5x9o"N! R,-DP/ (im 添加Application[属性名] = xxx;
<4I`|D3@ E:P_CDSd] 就是你的全局变量
UUvR>5@n k7 Ne(4P 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
6hHMxS^o ~e5E%bXxC HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
O1oh,~W 41+@!`z7 【ASPNETMENU】点击菜单项弹出新窗口
Yv[<c!\
w4RtIDW: 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
r\q|DZ7 <?xml version="1.0" encoding="GB2312"?>
.la_u8A] <MenuData ImagesBaseURL="images/">
w(Q{;RNM; <MenuGroup>
}RQHsS <MenuItem Label="内参信息" URL="Infomation.aspx" >
1WI^RlWd( <MenuGroup ID="BBC">
3X9 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
G(1_P1 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
%htwq ]rZd ......
/K<>OyR? $wk(4W8E 最好将你的aspnetmenu升级到1.2版
R l)g[s Zb+n\sv4 21.读取DataGrid控件TextBox值
IYhn* foreach(DataGrid dgi in yourDataGrid.Items)
D% 2S! {
B!J&=*=e TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
NFf?~I&mfu tb.Text....
Uu|R]azbO }
pO2XQYhrY z%$M
IC 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?
S AKIFNE PE6ZzxR|U< 〖思归〗
x.
/WP~I <asp:TemplateColumn HeaderText="数量">
%KR2Vlh0 <ItemTemplate>
4u1au1c <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
BD M"";u onkeyup="javascript:DoCal()"
F*y7 4j, />
~Vc`AcWP Z_Y gV:jc <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
_ujhD </ItemTemplate>
yz%o?%@ </asp:TemplateColumn>
Yb'%J@T} v/,,z+%- <asp:TemplateColumn HeaderText="单价">
"[CR5q9Pr <ItemTemplate>
Q776cj^L <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
YOY2K%o onkeyup="javascript:DoCal()"
@680.+Kw />
= @lM* Uf|@h <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
rW*[sLl3 I8\R7s3 </ItemTemplate>
ZD4:'m`T/ </asp:TemplateColumn>
Z5"5Ge-M V :lKF') <asp:TemplateColumn HeaderText="金额">
3.Jk-:u %m <ItemTemplate>
IG!(q%Gf <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
AzSmfEaU0 </ItemTemplate>
tjcsT> </asp:TemplateColumn><script language="javascript">
w%%*3[--X function DoCal()
J #;|P-pt {
es\Fn#?O var e = event.srcElement;
@$;I% var row = e.parentNode.parentNode;
.F0Q<s9 var txts = row.all.tags("INPUT");
h<g2aL21?F if (!txts.length || txts.length < 3)
%D`j3cEp@ return;
n_6#Df* (?[%u0%_ var q = txts[txts.length-3].value;
_I0=a@3 var p = txts[txts.length-2].value;
+rka5ts HzAw
rC if (isNaN(q) || isNaN(p))
S|m|ulB return;
sLc,Dx"+ N <M6~ q = parseInt(q);
v
`;Hd8 p = parseFloat(p);
yxi* 4R Lv>O BHD txts[txts.length-1].value = (q * p).toFixed(2);
h~ehZJys }
,be$~7qS </script>
</2Cn@ /LLo7" q( %)^C $,nidK!" HgTBON( 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
zw0u|q;# page_load
Y,-!QFS# page.smartNavigation=true
yB4eUa!1 {3``B#} 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
K#R|GEwr private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
I.U=%{. {
SgQ(#y|vV for(int i=0;i<e.Item.Cells.Count-1;i++)
NH+N+4dEO if(e.Item.ItemType==ListItemType.EditType)
##s:Ww {
*1*i5c e.Item.Cells.Attributes.Add("Width", "80px")
m1RjD$fM }
=Nr?F'< }
>oapw5~5 <Kk?BRxi 26.对话框
nd{k
D>a private static string ScriptBegin = "<script language=\"JavaScript\">";
)k81 private static string ScriptEnd = "</script>";
OZ&SxR%q4 _lfS"ae public static void ConfirmMessageBox(string PageTarget,string Content)
lr)9 U7 {
K}p0$Lc string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
P}he}k&IR C-&s$5MzGb ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
'N\nJz} 5dL! e<< Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
{`9J8qRY ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
RP9~n)h~b
//Response.Write(strScript);
*`t3z-L }
tYx>?~ )Dyyb1\) 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;b 'L2 5YXMnYt9 1.1 取当前年月日时分秒
_RWH$L9 currentTime=System.DateTime.Now;
M`?ATmYy )!'7!" $ 1.2 取当前年
Rpxg
5 int 年= DateTime.Now.Year;
{#z[iiB +a^0Q
F-7 1.3 取当前月
1+xi1w}3a int 月= DateTime.Now.Month;
QiNLE'19^ 27Vx<W 1.4 取当前日
&Zo+F]3d int 日= DateTime.Now.Day;
D 75;Y;E \OkJX_7 1.5 取当前时
E4<#6q int 时= DateTime.Now.Hour;
g+-^6UG ]!2[k A- 1.6 取当前分
ESuP ZB int 分= DateTime.Now.Minute;
'2SZ] +ux`}L( 1.7 取当前秒
1/A|$t[ int 秒= DateTime.Now.Second;
[+qB^6I+P% l=47#zbpZ] 1.8 取当前毫秒
B+2.:Zn6 int 毫秒= DateTime.Now.Millisecond;
2>m"CG G~/*!?&z 28.自定义分页代码:
1{G@'#( (Vt5@25JW 先定义变量 :
%:7/ym[ public static int pageCount; //总页面数
!)(To public static int curPageIndex=1; //当前页面
WP PDvB /`7G 7pQ+ 下一页:
J!yK/*sO, if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
M[L@ej {
0<nW
nD,z DataGrid1.CurrentPageIndex += 1;
5[P^O6' curPageIndex+=1;
AH^'E }
2c3/iYCKP WmE4TL^8? bind(); // DataGrid1数据绑定函数
AA}+37@2I (i-L: 上一页:
Iv?1XI= if(DataGrid1.CurrentPageIndex >0)
ix 5\Y {
ZpZoOdjslV DataGrid1.CurrentPageIndex += 1;
1czU$!MV curPageIndex-=1;
7Kti&T }
a)!R4 (mx}6A bind(); // DataGrid1数据绑定函数
!ozHS_ 9 $zx<O 直接页面跳转:
hAD gi^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
%4w#EbkSS ?]>;Wr if(a<DataGrid1.PageCount)
R_#k^P^ {
,n$HTWa@0 this.DataGrid1.CurrentPageIndex=a;
\4uj!LgTb }
P,k=u$ ngzQVaB9 bind();
dDl_Pyg4K cpx:4R, 29.DataGrid使用:
U \jFB*U 0VIR=Pbp 添加删除确认:
|C7=$DgwY private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%
xBQX {
F`o"t]AD-a foreach(DataGridItem di in this.DataGrid1.Items)
unyU|B {
Qi|k,1A0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
;z~j%L%b {
5w</Ga ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
3&B- w }
(>gb9n
}
<M\#7.]( }
3*eS<n[uG E-#C#B 样式交替:
s_U--y.2r( ListItemType itemType = e.Item.ItemType;
%\!@$]3q {Vf].l:kn if (itemType == ListItemType.Item )
xxpzz(S ]A {
I1JF2 "{c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
A9LVS&52 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
mh#_lbe' }
au/5` else if( itemType == ListItemType.AlternatingItem)
'Ge8l%p {
SI7r`'7A' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
JY$;m3h e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
yRt7&,}zL }
MkM`)g 5
?F|F~A8dr 添加一个编号列:
5zH_yZ@+ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
3/8<dc DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
66scBi_d O?iLLfs for(int i=0;i<dt.Rows.Count;i++)
"nU] 2 {
_Pn
1n dt.Rows["number"]=(i+1).ToString();
(Z Q?1Qxo }
\
F)}brPc &PFK0tY DataGrid1.DataSource=dt;
_[N*k" DataGrid1.DataBind();
fj[Kbo 7!h M} Mgz DataGrid1中添加一个CheckBox,页面中添加一个全选框
ZN!<!"~ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
-K6y#O@@ {
-6#
_ t foreach(DataGridItem thisitem in DataGrid1.Items)
~g*5."-i {
E|_}?>{R ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
k!d<2Qp W }
`{Fz }
Sp[]vm8N 2FR5RG
oD 将当前页面中DataGrid1显示的数据全部删除
gN[^ ,u foreach(DataGridItem thisitem in DataGrid1.Items)
H"wIa8A {
Rp6q) if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
^t,haO4 {
V2$M`|E string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
'|G8yojz Del (strloginid); //删除函数
YAd%d|Q }
"lL/OmG }
4TSkm`iR 8I0G%hD 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)
."y tBF 1tl qw 在Application_Start中添加以下代码:
vZXdc+2l Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
@6H 7 AppSettings["ConnStr"].ToString();
UtHloq(r J@qLBe(v
31. 变量.ToString()
n_*.i1\'w rGay~\ 字符型转换 转为字符串
=sk#`,,: 12345.ToString("n"); //生成 12,345.00
=0SJf 3 12345.ToString("C"); //生成 ¥12,345.00
j2mMm/kq\ 12345.ToString("e"); //生成 1.234500e+004
Qki?
>j" 12345.ToString("f4"); //生成 12345.0000
TwKi_nh2m 12345.ToString("x"); //生成 3039 (16进制)
=tl~@~pqI 12345.ToString("p"); //生成 1,234,500.00%
r"dR}S.Uf *TPWLR ^ 32、变量.Substring(参数1,参数2);
y8dOx=c wqgKs=y 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);
hbs /S ~iq=J5IN# 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)
DkW^gt <SCRIPT language="javascript">
_.SpU`>/f <!--
[<nd+3E function gook(pws)
aTs9lr: {
)*aAkM frm.submit();
BqtN= }
qf{HGn_9~1 //-->
n/YnISt ulfs Z: </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Jv!f6*&< <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
gwFW+*h <tr>
6xu%M&ht <td>
nD}<zj$D2 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
R#s_pW{op <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
im
F,8 ' <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
6rlvSdB ]hZk#rp} <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
bb$1zSA <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
E CPSE{ ,Qj\_vr@ </td>
@2TfW]6 n2Q?sV;m </tr>
D!i|KI/ ,q$2D,dz </form>
{*nE8+..A /f hS#+V* 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
5[~C!t; ed#>q;jX 下面是获取用户输入的登陆信息的代码:
?<^^.Si string name;
7mL1$i6= name=Request.QueryString["EmailName"];
aj-:JTf .GWN~iR( try
u@Bgyt7Y {
8yM8O
#S int a=name.IndexOf("@",0,name.Length);
?F~0\T,7 f_user.Value=name.Substring(0,a);
|*L/
m0'L f_domain.Value=name.Substring(a+1,name.Length-(a+1));
845\u& f_pass.Value=Request.QueryString["Psw"];
(@S9>z4s }
&uI33= ER:K^
Za catch
5Hs!s+ {
1;v wreJ Script.Alert("错误的邮箱!");
}xY|z"& Server.Transfer("index.aspx");
*=77|Dba }