1. 打开新的窗口并传送参数:
VK[^v; `!K(P- yB? 传送参数:
)4bBR@QM response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
ToTehVw ^"(CZvq 接收参数:
>h(n8wTP string a = Request.QueryString("id");
Vof[yL ` string b = Request.QueryString("id1");
pW 2NrBq@w p$`71w)'[ 2.为按钮添加对话框
xVfAlN37( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%-/[.DYt button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
h.l^f>,/ Y[R veF 3.删除表格选定记录
; $i{>mDT int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
yT.h[yv"w string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
mCb(B48]%X G%jgr"]\z 4.删除表格记录警告
c>6dlWTqX private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
A,Wwt
[Qw {
3"NO"+Q switch(e.Item.ItemType)
ZX'q-JUv f {
l=GcgxD+"d case ListItemType.Item :
MzM"r"u case ListItemType.AlternatingItem :
/Nt#|C> case ListItemType.EditItem:
4>-'w MW") TableCell myTableCell;
Vzn0; myTableCell = e.Item.Cells[14];
@tGju\E"o LinkButton myDeleteButton ;
7jL+c~ myDeleteButton = (LinkButton)myTableCell.Controls[0];
ePv3M&\J myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
WXV (R,*Tc break;
sEkfmB2J/ default:
%IL]
Wz< break;
aMe]6cWHV> }
]V0V8fU| ,R#pQ
4 }
8Wqh 8$ K|,P 5.点击表格行链接另一页
$P&{DOiKS private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[%
\>FT[ {
(0dy,GRN //点击表格打开
H=RzY-\a% if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
LeRyS] e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
]Wr2I M }
Z}#'.y\ f zisf8x7^W 双击表格连接到另一页
KSDz3qe b+Sq[ 在itemDataBind事件中
`?E|frz[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`?f6~$1 {
+O"!* string OrderItemID =e.item.cells[1].Text;
)O\w'|$G ...
10R#}~D e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
w"ZngrwBl }
ndg1E;> S52'!WTq 双击表格打开新一页
VzD LG LH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J_NY:B {
H1>~,zc>E string OrderItemID =e.item.cells[1].Text;
{*mf Is ...
K)b@,/ 5 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
K</EVt,U~ }
#NQpr ;E:vsVK ★特别注意:【?id=】 处不能为 【?id =】
&n$kVNE 6.表格超连接列传递参数
/5:2g#S4 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
epN>;e z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
!iv6k~.e'2 6<1
2j7 7.表格点击改变颜色
/JsA[}.6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3E9 )~$ {
`(tVwX4 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
IR JN this.style.color=’buttontext’;this.style.cursor=’default’;");
,+2!&"zD }
PWci D '! Znr6,[U+q 写在DataGrid的_ItemDataBound里
wnUuoX( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
t2x2_;a {
Nm$Ba.Rg e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
abMB- this.style.color=’buttontext’;this.style.cursor=’default’;");
`A\,$(q+ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
h4p<n&)F }
'3<T~t $40G$w 'h}(> % 8.关于日期格式
aa2 vk)~ o8 _)) 日期格式设定
d?:KEi-<7 DataFormatString="{0:yyyy-MM-dd}"
M>qqe! c* L a>fvm 我觉得应该在itembound事件中
CWBlDz e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
n?Zt\Kto w#6)XR|+,. 9.获取错误信息并到指定页面
u,RR|/@ 5
w-Pq&q 不要使用Response.Redirect,而应该使用Server.Transfer
$8>kk F$/7X~* e.g
f \ E9u} // in global.asax
A@uU*]TqJ8 protected void Application_Error(Object sender, EventArgs e) {
^4/
if (Server.GetLastError() is HttpUnhandledException)
cN% r\ Server.Transfer("MyErrorPage.aspx");
1;v,rs M 1X5MknA //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=kzuU1s }
Mmmg3%G1 >\br8=R 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;Hg/jv [KQ#b 10.清空Cookie
MO^Q 8v Cookie.Expires=[DateTime];
X9
N4 Response.Cookies("UserName").Expires = 0
3</W}]$)p MJ"@ 11.自定义异常处理
+D+v j|fn //自定义异常处理类
*82+GY] using System;
2Tp@;[!3 using System.Diagnostics;
gmqA 5W~y &]"Z x0t5% namespace MyAppException
'XJqh|G {
LZtO Q__B) /// <summary>
E"%dO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
|LV}kG(2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
t:x"]K /// </summary>
C/?x`2' public class AppException:System.ApplicationException
FuC#w 9_ {
n'To: public AppException()
"D,}| {
DD5cUlOSu if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
r2%Qk }
>P+oNY %i6/=
'u public AppException(string message)
EtnuEU {
Pm7lP5 LogEvent(message);
7}1Z7"? }
Tnv,$KOhs BUCPO}I public AppException(string message,Exception innerException)
'4Drs}j5 {
P3!JA)p6a LogEvent(message);
s6F0&L;N& if (innerException != null)
M3U?\g {
(`&SV$m LogEvent(innerException.Message);
hG~HV{6 }
*Sg6VGP }
){LU>MW{& ::p%R@? //日志记录类
QE|x[?7e,! using System;
7@R^B =pb using System.Configuration;
LC7%Bfn! using System.Diagnostics;
6&+}Hhe using System.IO;
0.\}D:x(z using System.Text;
x)jc using System.Threading;
)3f<0C> K=!
C\T"I% namespace MyEventLog
6d`qgEM3 {
XXw>h4hl /// <summary>
NQxx_3*4O /// 事件日志记录类,提供事件日志记录支持
8d?%9# p-) /// <remarks>
[Kg3:]2A /// 定义了4个日志记录方法 (error, warning, info, trace)
URbHVPCPb /// </remarks>
-FF#+Z$ /// </summary>
n8E3w:A- public class ApplicationLog
+B[XTn,Cru {
H:nO\] /// <summary>
ce3``W/H3 /// 将错误信息记录到Win2000/NT事件日志中
rf^u&f /// <param name="message">需要记录的文本信息</param>
u9{SG^ /// </summary>
2g~W})e public static void WriteError(String message)
75pn1*"gQ {
*JRM(V+IEv WriteLog(TraceLevel.Error, message);
j0^1BVcj }
ZkWMo=vL "574%\#4z /// <summary>
#qu;{I#W3 /// 将警告信息记录到Win2000/NT事件日志中
]SAGh|+xl /// <param name="message">需要记录的文本信息</param>
;VzdlCZ@ /// </summary>
wh#IQ.E- public static void WriteWarning(String message)
I<Cm$8O? {
U2r[.Ru WriteLog(TraceLevel.Warning, message);
O1@3V/.Wu }
v^J']p ]UkqPtG; /// <summary>
mPF<2:)wv /// 将提示信息记录到Win2000/NT事件日志中
4B9D /// <param name="message">需要记录的文本信息</param>
9mW /// </summary>
O2":)zU. public static void WriteInfo(String message)
z6Fl$FFP {
/2''EF'; WriteLog(TraceLevel.Info, message);
1,Es' }
'C=(?H)M /// <summary>
j115:f /// 将跟踪信息记录到Win2000/NT事件日志中
]Q,&7D
Ah /// <param name="message">需要记录的文本信息</param>
*0vRVlYf /// </summary>
>;]S+^dXY public static void WriteTrace(String message)
Hh%"
{
i%GiWanG WriteLog(TraceLevel.Verbose, message);
!<HF764@` }
1g,Ofr B}P!WRNmln /// <summary>
1Vkb}A,' /// 格式化记录到事件日志的文本信息格式
Ci 'V /// <param name="ex">需要格式化的异常对象</param>
7xM4=\~OG /// <param name="catchInfo">异常信息标题字符串.</param>
:]4s;q:m /// <retvalue>
^I9U<iNIL /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
^F
qs,^~W /// </retvalue>
yRi5t{!V /// </summary>
mo9(2@~< public static String FormatException(Exception ex, String catchInfo)
@HTs.4 {
*Kpw@4G StringBuilder strBuilder = new StringBuilder();
*ZV3]ig2$ if (catchInfo != String.Empty)
ecx_&J@D {
/3.;sS]B strBuilder.Append(catchInfo).Append("\r\n");
7yJE+o' }
l*(L"] strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
BUdO:fr return strBuilder.ToString();
^hsr/| }
G*=&yx."E jd2 p~W /// <summary>
]N,'3`&:: /// 实际事件日志写入方法
"!&
o|!2 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
5R)IL2~ /// <param name="messageText">要记录的文本.</param>
MskOPg /// </summary>
P8#_E{f private static void WriteLog(TraceLevel level, String messageText)
\[|X^8j {
TD-B\ @_ try
P)LQ=b}V#; {
wz@[rMf EventLogEntryType LogEntryType;
?&!!(dWFH switch (level)
++UxzUd {
A
k~|r#@ case TraceLevel.Error:
t\]kVo) LogEntryType = EventLogEntryType.Error;
'f0R/6h\3s break;
gV$0J?Pr. case TraceLevel.Warning:
Vx:uqzw# LogEntryType = EventLogEntryType.Warning;
mE=Tj%+x break;
6kMEm)YjT case TraceLevel.Info:
3sRI7g LogEntryType = EventLogEntryType.Information;
,S
m?2< break;
_dECAk
&b case TraceLevel.Verbose:
C^LxJG{L5 LogEntryType = EventLogEntryType.SuccessAudit;
4]E1x l break;
_j4K default:
R6`mmJ+' LogEntryType = EventLogEntryType.SuccessAudit;
Bio QV47B break;
_v8u% }
bMsThoePT t0Lt+E|J EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
J7`;l6+Gb //写入事件日志
4uh~@ Lv eventLog.WriteEntry(messageText, LogEntryType);
ks69Z|D 1d842pt }
1FG"Ak}D catch {} //忽略任何异常
$C,`^n' }
PN=5ICT } //class ApplicationLog
c,]fw2 }
yRDtPK"E- O'(D:D? 12.Panel 横向滚动,纵向自动扩展
OlptO60{ ] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
D+N@l"U{ _RS
CyV 13.回车转换成Tab
fGW~xul_ <script language="javascript" for="document" event="onkeydown">
Ic^
(6 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
WRRR "Q$ event.keyCode=9;
!b+!] 2~g} </script>
P(o>UDy 6-\'
*5r onkeydown="if(event.keyCode==13) event.keyCode=9"
zGc]*R 9
&Ry51 14.DataGrid超级连接列
-<AGCiLz DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
/!.]Y8yEH GO*D4<#u 15.DataGrid行随鼠标变色
In;P33'p private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
XF>!~D {
5Q:49S47 if (e.Item.ItemType!=ListItemType.Header)
>]A#_p {
>6W #v[ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
#s#BYbF e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
*5 \'$;Rg }
B/mfm 7 }
D(Q]ddUi' b7">IzAe
16.模板列
kIe)ocJg <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
(dy:d^ <ITEMTEMPLATE>
K@oyvJ$ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
}7K~- </ITEMTEMPLATE>
biForT_no </ASP:TEMPLATECOLUMN>
PBcb*7W /n:Q>8^n'W <ASP:TEMPLATECOLUMN headertext="选中">
bPkz= ^- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
pB]*cd B? <ITEMTEMPLATE>
32y 9r z <ASP:CHECKBOX id="chkExport" runat="server" />
Q ~n%c7 </ITEMTEMPLATE>
3hEbM'L <EDITITEMTEMPLATE>
\/nSRAk <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
-G'3&L4
D </EDITITEMTEMPLATE>
cXr_,>k </ASP:TEMPLATECOLUMN>
I"QU{]|J |+JC'b?, 后台代码
ccx0aC3@I protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
bj_/ {
'geN
dx //改变列的选定,实现全选或全不选。
/%F,
CheckBox chkExport ;
c+O:n:L if( CheckAll.Checked)
m;TekJXm {
W&[-QM8 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
gR_Exs'K {
w'y,$gtX/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
k!x`cp chkExport.Checked = true;
aWP9i& }
g5x>}@ONq7 }
<(xro/ else
'F:Tv[qx {
gNkBHwv foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
w4&\-S# {
3Tc90p l*t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
FBOgaI83G chkExport.Checked = false;
x2/ciC
}
/^gu&xnS }
(h[.
Ie }
cK\?wZ| Y e5"5 U7 17.数字格式化
H|MAbx
7 b&d4(dk 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*iyc,f^w <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!kH 1| cFq2 6(e int i=123456;
\JCpwNT{P string s=i.ToString("###,###.00");
\J;]g\&I" &IsPqO 18.日期格式化
ICc:k%wE7 rZ.z!10 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
o,?h}@ *D`$oK,U 显示为: 2004-8-11 19:44:28
,E@}=x9p N] pw7S% 我只想要:2004-8-11 】
RX^Xtc" <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
w6-<HPW<S |0X~D}r|J 应该如何改?
ta'wX 0bSnD|#I 【格式化日期】
rd=+[:7L QBfo=9[=e 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/#q6.du FJ{&R Ld 【日期的验证表达式】
|eJR3o I SdB5Va A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Im]6-#(9\| ^((\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})))?$
@~&^1%37) gkca{BJ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
qagR?)N)u ^\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]))$
]mC5Z6,1s WZP1g kX&M 【大小写转换】
b?,=|H HttpUtility.HtmlEncode(string);
QNx xW2+ HttpUtility.HtmlDecode(string)
K(P.i^k w02C1oGfx 19.如何设定全局变量
5v=e(Ph+ @Q&k6.{4Z Global.asax中
H7meI9L g+(Y)9h& Application_Start()事件中
&^Gp C<w&mFozL 添加Application[属性名] = xxx;
cJM.Q_I}Y mHH>qW{` 就是你的全局变量
.*J /F$ PR,8c 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
VtGZB3 _?eT[!oO8 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
4[Wwm ,pVe@ d' 【ASPNETMENU】点击菜单项弹出新窗口
0JqvV vY,D02EMw 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\]dvwN3x <?xml version="1.0" encoding="GB2312"?>
Z.s0ddMs <MenuData ImagesBaseURL="images/">
(CJx Y(1K <MenuGroup>
A5_r(Z-5 <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ue"pNjd| <MenuGroup ID="BBC">
YgjN*8w\ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
9o3? <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
k-)Ls~#+ ......
2h)Qz+|7 }KEr@h,N 最好将你的aspnetmenu升级到1.2版
(Ap?ixrR_ )#`&[9d- 21.读取DataGrid控件TextBox值
bU/YU0ZIT foreach(DataGrid dgi in yourDataGrid.Items)
'T;;-M3* {
h
R6Pj"@0 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Ry? f; s tb.Text....
~mv5{C }
^ohIJcI- ksUF(lYk 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?
Q^* 33 O]Yz7 〖思归〗
\l`{u)V <asp:TemplateColumn HeaderText="数量">
bL+}n8B <ItemTemplate>
ofPv?_@ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
y!
QYdf? onkeyup="javascript:DoCal()"
,R-aO= % />
s=556 Py?Q:: <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
iJCv+p_f </ItemTemplate>
jvo^I$|2h </asp:TemplateColumn>
o8NRu7@? 2^f7GP <asp:TemplateColumn HeaderText="单价">
)CgH|z:=b <ItemTemplate>
imKMPO= <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
<Pi#-r., onkeyup="javascript:DoCal()"
.1_kRy2*. />
\^jRMIM== wyXQP+9G <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
@rF|WT :H+8E5 </ItemTemplate>
J93xxj </asp:TemplateColumn>
1xSG(! #&%>kfeJ)< <asp:TemplateColumn HeaderText="金额">
i?7?I <ItemTemplate>
C;.,+(G <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
<;Tr
</ItemTemplate>
Z#YNL-x </asp:TemplateColumn><script language="javascript">
RdNLf function DoCal()
| IS$Om {
(%"9LYv var e = event.srcElement;
IFhS(3YK[ var row = e.parentNode.parentNode;
c@J@*.q] var txts = row.all.tags("INPUT");
)ybF@emc if (!txts.length || txts.length < 3)
~R50-O return;
z\woTL6D] HV*;Yt var q = txts[txts.length-3].value;
&y(%d 7@/ var p = txts[txts.length-2].value;
'S:$4j v *`M3jb if (isNaN(q) || isNaN(p))
2waPNb| return;
H8 xhE~'t 0sTR`Xk q = parseInt(q);
qdxaP% p2 p = parseFloat(p);
J ;4aghzY jx2{kK txts[txts.length-1].value = (q * p).toFixed(2);
14 (sp }
\N$)Q.M </script>
+[_3h9BK gYe6(l7m O~Bh(_R& LWhPd\ ZDov2W 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。
@PctBS<s page_load
(NN;1{DB8 page.smartNavigation=true
(t@:dW S5d 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 ?
\f)GW$` private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
1l Cr? {
W+$G{XSr5C for(int i=0;i<e.Item.Cells.Count-1;i++)
=%c\<<]aV if(e.Item.ItemType==ListItemType.EditType)
PC|ul{[*} {
.t/@d(R e.Item.Cells.Attributes.Add("Width", "80px")
,Q0H)//~ }
M|fV7g }
V Ew| N) `!AI:c*3p1 26.对话框
m/ID3_ private static string ScriptBegin = "<script language=\"JavaScript\">";
A7|L|+ ? private static string ScriptEnd = "</script>";
"F6gV;{Bt /bPs0>5 public static void ConfirmMessageBox(string PageTarget,string Content)
KSHq0A6/q% {
S4'<kF0z string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
e`OQ6|.k8 tw&v@HUP ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&b7_%,Bx4 xc\zRsY` Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
P,9Pn)M| ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
x":o*(rSQ //Response.Write(strScript);
"Mhn?PTq }
Z!7xRy 8/&4l,M5 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
51y#AQ@ _A])q 1.1 取当前年月日时分秒
ic"8'Rwb currentTime=System.DateTime.Now;
tC5-^5[y UGj |)/ 1.2 取当前年
n.z,-H17 int 年= DateTime.Now.Year;
'+27_j ${eV3LSC 1.3 取当前月
R=F_U int 月= DateTime.Now.Month;
0U H] \4^rb?B 1.4 取当前日
(<8}un int 日= DateTime.Now.Day;
c?u*,d) G RS
l*u[fB 1.5 取当前时
M.r7^9 P int 时= DateTime.Now.Hour;
Kf*Dy:e ^$sqU 1.6 取当前分
6bLn8UT int 分= DateTime.Now.Minute;
32j}ep.* rNTLP
m
1.7 取当前秒
Dad$_% int 秒= DateTime.Now.Second;
0bT[05. KIag(!& 1.8 取当前毫秒
Wpi35JrC int 毫秒= DateTime.Now.Millisecond;
[uLsM<C 4+s6cQ]S` 28.自定义分页代码:
RAP-vVh/C CxZh^V8LP 先定义变量 :
l`i97P?/W public static int pageCount; //总页面数
B4wRwrVI> public static int curPageIndex=1; //当前页面
[~ 2imS j49Uj}:j 下一页:
/ of K7/ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
2J8:_Ql3I {
u+KZ. n/ DataGrid1.CurrentPageIndex += 1;
J9p4\=9 curPageIndex+=1;
H;l_;c` }
a6^_iSk 2vX $:4 bind(); // DataGrid1数据绑定函数
8W?dWj 7t:tS7{} 上一页:
oPM*VTMA if(DataGrid1.CurrentPageIndex >0)
13`Mt1R {
|K06H
?6X DataGrid1.CurrentPageIndex += 1;
v{fcQb curPageIndex-=1;
2wHbhW[ }
y& 1@d+Lf ?1a9k@[t bind(); // DataGrid1数据绑定函数
ne/JC( Jk6}hUH, 直接页面跳转:
\m
GY'0 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$2L6:&.P, 6CIzT. if(a<DataGrid1.PageCount)
});Rjg {
7-!n- this.DataGrid1.CurrentPageIndex=a;
DQm%=ON7 }
Zo yO[# VL$
T bind();
NX.xEW@ OmO#} k< 29.DataGrid使用:
G7Sw\wW "cPg_-n 添加删除确认:
z+yIP ?s}( private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u0 tlf {
gJ'pwSA foreach(DataGridItem di in this.DataGrid1.Items)
eY5mwJ0K {
%dFJ'[jDL if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Qop,~yK {
ABX%oZ7[|o ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
J5I@*f)l }
yy7(')wKO }
kzDN(_<1 }
HdJ g %BP>,E/w 样式交替:
k[;)/LfhS ListItemType itemType = e.Item.ItemType;
U`mX
f#D ,T<JNd' if (itemType == ListItemType.Item )
P*OG`%y {
0)332}Oh e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
D3X4@sM e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
AcPLJ!y }
Aj4 a-vd. else if( itemType == ListItemType.AlternatingItem)
`KFEzv {
8b)WOr6n e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
JhFbze> e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
|JxVfX8^ }
9Yv:6@. F %
D 添加一个编号列:
O
{1" I DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
EIg~^xK DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
'Oue 1[ QLWnP- for(int i=0;i<dt.Rows.Count;i++)
gHrs|6q9 {
^H3N1eC,`F dt.Rows["number"]=(i+1).ToString();
cMXv }
:*M?RL@j A iM ukd, DataGrid1.DataSource=dt;
i}sAF/ DataGrid1.DataBind();
G`Nw]_
Z_ m9DFnk<D DataGrid1中添加一个CheckBox,页面中添加一个全选框
}kqh[`: private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
3ic /xy;} {
*9^8NY] foreach(DataGridItem thisitem in DataGrid1.Items)
ahg:mlaob {
A'DFY { ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
I)Xf4FS@ }
]P0%S@] }
CO='[1"_5 gEd A
hfx 将当前页面中DataGrid1显示的数据全部删除
e0zP LU} foreach(DataGridItem thisitem in DataGrid1.Items)
Z8#nu {
u
]e-IYH if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
&Q883A
J {
w\bwa!3Y string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Jr2yn{s=S Del (strloginid); //删除函数
^ `y7JXI: }
CUu
Owx6% }
4XjwU` wtTy(j,9 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)
.h-mFcjy d m8t~38 在Application_Start中添加以下代码:
^l!SIu Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
3%kUj AppSettings["ConnStr"].ToString();
4>*=q*<V5E .|
4P
:r 31. 变量.ToString()
4v\HaOk 9Da{|FyrD 字符型转换 转为字符串
s6,~JF^ 12345.ToString("n"); //生成 12,345.00
WigtTAh4 12345.ToString("C"); //生成 ¥12,345.00
bC
`<A 12345.ToString("e"); //生成 1.234500e+004
z1mB Hz6 12345.ToString("f4"); //生成 12345.0000
'~D4%WKT 12345.ToString("x"); //生成 3039 (16进制)
$0_K&_5w~ 12345.ToString("p"); //生成 1,234,500.00%
%Jt35j@Ee .9nqJ7] 32、变量.Substring(参数1,参数2);
yE8D^M|g !kovrvM6F 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
.xJ54Vz K%v:giN$l` 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)
d`^3fr'.4A <SCRIPT language="javascript">
J:@gmo`M;V <!--
)D+BvJ Y" function gook(pws)
$ZM'dIk? {
#n>U7j9`O frm.submit();
4z0gyCAC A }
.l1x~( //-->
?+t;\ [ohLG_9 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
FS1\`#Bm) <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
|>;PV4])( <tr>
,*|Q= <td>
4$xVm,n|
<input id="f_user" type="hidden" size="1" name="f_user" runat="server">
(U:-z=E#1 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
cRLw)"| <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
,HZ%q]*:~ Lh[0B.g< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
u cpU$+ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
w2
Y%yjCV DBAyc# </td>
Hr?lRaV \l GD8@,x </tr>
sFpg 4 /_jrZO </form>
W=+n|1 9O;Sn + 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。
Ib..X&N2 <?.eU<+O`S 下面是获取用户输入的登陆信息的代码:
vB7Gx>BQd string name;
Fv^zSoi2 name=Request.QueryString["EmailName"];
1&bo