1. 打开新的窗口并传送参数:
3l+|&q[v 2X^iV09 传送参数:
/t5g"n3 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
w&9F>`VET *.,8,e8Vq 接收参数:
6T]Q.\5BZ string a = Request.QueryString("id");
$Uy#/MX string b = Request.QueryString("id1");
NC;T( @ % dYI5U89 2.为按钮添加对话框
Cl{{H]QngX Button1.Attributes.Add("onclick","return confirm(’确认?’)");
KG-UW button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Ho>p ^p P2 |}*h5( 3.删除表格选定记录
(w}r7`n int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
O/nqNQ?< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
z(jU|va{_1 &'NQ)Dn 4.删除表格记录警告
cS5w +`,L private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
<BQ%8} {
:nt}7Dn' switch(e.Item.ItemType)
L2k;f] {
{ .cB>L case ListItemType.Item :
VDPxue case ListItemType.AlternatingItem :
;+r0
O0;9 case ListItemType.EditItem:
tI
`w;e%HN TableCell myTableCell;
#% qqL myTableCell = e.Item.Cells[14];
0NVG"-Q LinkButton myDeleteButton ;
F6~b#Jz&i myDeleteButton = (LinkButton)myTableCell.Controls[0];
RlPjki"Mg myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
^sJ1 ^LT break;
Mi<*6j0 default:
gca|?tt break;
_AVy:~/ }
CCC4(v Cx$9#3\ }
N4'
.a=1 HH+TjX/b 5.点击表格行链接另一页
ER/\ +Z#Z private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
l
DgzM3 {
o:h)~[n| //点击表格打开
`Uu^I
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
D5}DV e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
\]Kq(k[p }
4;08n|C {|G&W^` 双击表格连接到另一页
TeOFAIU >>/nuWdpO 在itemDataBind事件中
O2/%mFS. if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
oC5gME"2 {
|.^^|@+ string OrderItemID =e.item.cells[1].Text;
(q055y ...
9Y;}JVS e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
AX/=}G }
))c*_n
5L/Yi 双击表格打开新一页
rHH#@Zx if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Kw)C{L5a {
D
"JMSL4r string OrderItemID =e.item.cells[1].Text;
4&#vU(-H ...
Kv(Y } e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
9t,aT!f }
~Ay 7MR:X#2v> ★特别注意:【?id=】 处不能为 【?id =】
n\~"Wim<b 6.表格超连接列传递参数
A;K{ &x <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
AEBw#v!,o <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
T9aTEsA[U 8Ng))7g! 7.表格点击改变颜色
B(HNB\3u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
=iA"; x {
8f5%xY$ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0]f?Dx/8 this.style.color=’buttontext’;this.style.cursor=’default’;");
ZS07_6.~ }
F0DPS:c :/n
?4K^ 写在DataGrid的_ItemDataBound里
<e@I1iL37y if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Lx|w~+k} {
,:\zXESy4 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
I$rW[l2 this.style.color=’buttontext’;this.style.cursor=’default’;");
&QiAM`MbC= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
zW|$x<M^ }
EfMG(oI N9~'P-V vLVSZX 8.关于日期格式
mE)x7 1aXIhk4 日期格式设定
O% j,:t'" DataFormatString="{0:yyyy-MM-dd}"
sIP6GWK$ F5b]/;| 我觉得应该在itembound事件中
q{N lF$X e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
\J#I}-a&j :Map,]]B_ 9.获取错误信息并到指定页面
YB(#]H|8S NpjsZcA 不要使用Response.Redirect,而应该使用Server.Transfer
[C*Xk{e ZVCv(J e.g
B)LXxdkOn // in global.asax
4kN:=g protected void Application_Error(Object sender, EventArgs e) {
5cv,
>{~5 if (Server.GetLastError() is HttpUnhandledException)
< :S?t2C Server.Transfer("MyErrorPage.aspx");
GcU(:V2o qX}dbuDE"P //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
*
S+7BdP
}
hU=f?jo/ #==[RNM%ap Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
m"ki*9] #dXZA>b9 10.清空Cookie
Fp* &os Cookie.Expires=[DateTime];
ixUiXP Response.Cookies("UserName").Expires = 0
NWq [22X
| cfF-e93T 11.自定义异常处理
(rCPr,@0 //自定义异常处理类
"@):*3
4 using System;
OmQuAG
^\x using System.Diagnostics;
ln_EL?V m''i E namespace MyAppException
]MBJ"1F {
G/^5P5y%@ /// <summary>
J^e|"0d /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Wl^/=I4p# /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/3bca !O /// </summary>
yM\tbT/l public class AppException:System.ApplicationException
nY.Umj {
bC>yIjCTn public AppException()
_16&K}< {
(,Zz&3
AV if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
|R|U z` }
S
-mz xj L>K39z~, public AppException(string message)
y0Q/B|&[ {
Qc)RrqYNGF LogEvent(message);
\1c`) }
N
NXwT0t 7xa@wa?!L public AppException(string message,Exception innerException)
7{6cLYl {
gEe W1:AB LogEvent(message);
)y
[[Se if (innerException != null)
Xj&~N;Ysb {
ps4Wwk( LogEvent(innerException.Message);
0V>N#P] }
"#"Fp&Z7 }
IDVY2`sM _s#/f5<:B //日志记录类
<]SSgQ9/" using System;
`qy6qKl
N using System.Configuration;
"Ezr- 4 using System.Diagnostics;
`
TVcI\W using System.IO;
.$T:n[@ using System.Text;
t+Q|l&|0 using System.Threading;
I;fw]/M%! DqC}f# namespace MyEventLog
RHA>fXp {
GF,|;)ly /// <summary>
g{f>jd /// 事件日志记录类,提供事件日志记录支持
(2a"W` /// <remarks>
3[g++B."pC /// 定义了4个日志记录方法 (error, warning, info, trace)
uvc{RP /// </remarks>
`EW_pwZPA /// </summary>
"/]tFY%Y public class ApplicationLog
"oGM>@q=B {
bT6)(lm /// <summary>
Wy-quq03"& /// 将错误信息记录到Win2000/NT事件日志中
b"3T(#2<* /// <param name="message">需要记录的文本信息</param>
UHDI9>G~, /// </summary>
38.J:?Q public static void WriteError(String message)
Ydd>A\v\; {
lDM~Z3(/b WriteLog(TraceLevel.Error, message);
)-:f;#xJ }
FT?1Q' 1VM5W!} /// <summary>
^T
J /// 将警告信息记录到Win2000/NT事件日志中
9;WOqBD /// <param name="message">需要记录的文本信息</param>
eX),B /// </summary>
_nCs$U public static void WriteWarning(String message)
2/o/UfYjgF {
S5JR`o
WriteLog(TraceLevel.Warning, message);
.mU.eLM }
jQBdS. }'v
*Zo o /// <summary>
lM]),}
/// 将提示信息记录到Win2000/NT事件日志中
<$Kv^Y * /// <param name="message">需要记录的文本信息</param>
g"AfI /// </summary>
4 ~|TKd{ public static void WriteInfo(String message)
zbKW.u]v {
pD.@&J~ WriteLog(TraceLevel.Info, message);
zNTu j p }
$}c@S0%P" /// <summary>
2A;[Ek6{q /// 将跟踪信息记录到Win2000/NT事件日志中
;77o%J'l /// <param name="message">需要记录的文本信息</param>
T1]X /// </summary>
"ddH7:(k< public static void WriteTrace(String message)
$Lbe5d?\ {
KO;6 1y: WriteLog(TraceLevel.Verbose, message);
&1C9K> }
0\<-R }4ju2K /// <summary>
wLp
t2b8S /// 格式化记录到事件日志的文本信息格式
Q]'!FmXf /// <param name="ex">需要格式化的异常对象</param>
~O7(0RsCN /// <param name="catchInfo">异常信息标题字符串.</param>
7%FZXsD /// <retvalue>
#\;w:: /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
!>);}J!e] /// </retvalue>
-ZON']|<}k /// </summary>
(dt_ D public static String FormatException(Exception ex, String catchInfo)
M HB]' {
:pu{3-n. StringBuilder strBuilder = new StringBuilder();
?B!ZqJ# if (catchInfo != String.Empty)
9{#|sABGD {
)GKgK;=~ strBuilder.Append(catchInfo).Append("\r\n");
Z|GkM5QH: }
CXFAb1m strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
">&:(< return strBuilder.ToString();
h4i$z-! }
oKJ7i,xT w[G_ w:$a /// <summary>
W)~.o/; /// 实际事件日志写入方法
`v{X@ x /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
?7ZlX?D[ /// <param name="messageText">要记录的文本.</param>
YYh_lAS> /// </summary>
"kg$s5o private static void WriteLog(TraceLevel level, String messageText)
#Kr.!uD {
Xkm2C) try
EZfa0jJD {
4^^rOi0 EventLogEntryType LogEntryType;
5hK\YTU switch (level)
<%7
V`,*g/ {
j'x{j %U case TraceLevel.Error:
rB?cm]G= LogEntryType = EventLogEntryType.Error;
X($SBUS6 break;
qE:DJy< case TraceLevel.Warning:
jdf@lb=5l LogEntryType = EventLogEntryType.Warning;
lhj2u]yU0S break;
@&B!P3{f case TraceLevel.Info:
W-QPO LogEntryType = EventLogEntryType.Information;
_?c.3+;s break;
xB+H7Ya case TraceLevel.Verbose:
2:F LogEntryType = EventLogEntryType.SuccessAudit;
>MrU^t break;
$ 3B? default:
,O!aRvzap LogEntryType = EventLogEntryType.SuccessAudit;
=1[g`b break;
a $%[!vF }
0Wm-`ZA 5^/[] * EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
.Y.#
d7TA //写入事件日志
l$ 9, eventLog.WriteEntry(messageText, LogEntryType);
~]M" PlUjjJU }
y*(j{0yd catch {} //忽略任何异常
O+j:L }
*)I1gR~ } //class ApplicationLog
;P~S/j[ 8 }
#B9[U}
8 aB'@8[]z 12.Panel 横向滚动,纵向自动扩展
%MNV 5UA[w <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
=fo/+m5 elgQcJ99 13.回车转换成Tab
H-w|JH>g <script language="javascript" for="document" event="onkeydown">
2&URIQg*J if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
D .`\ ^a event.keyCode=9;
Y1\vt+`O </script>
dR:iUw:V Am
$L onkeydown="if(event.keyCode==13) event.keyCode=9"
xv l }C.{+U 14.DataGrid超级连接列
BB$>h-M/%# DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
$(=1A>40 qKC*jDW 15.DataGrid行随鼠标变色
>IjLFM+U private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
):
C4}&l {
R2W_/fsG if (e.Item.ItemType!=ListItemType.Header)
QGy=JHb {
"|SE#k e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1bkUT_ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
7d)' y }
MNC!3d(D\R }
Jx w<* p04+" 16.模板列
*rT(dp!Y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
BH a>2N <ITEMTEMPLATE>
qw1J{xoHW <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
nUHVPuQ/'T </ITEMTEMPLATE>
fM.|#eLi </ASP:TEMPLATECOLUMN>
KL]!E ~i caht4N{T <ASP:TEMPLATECOLUMN headertext="选中">
k)Wz b <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
#57z-x[1 <ITEMTEMPLATE>
@x
+#ZD( <ASP:CHECKBOX id="chkExport" runat="server" />
a0\UL"z#+ </ITEMTEMPLATE>
wP?q5r5 <EDITITEMTEMPLATE>
=U2n"du <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[rU8
#4.
</EDITITEMTEMPLATE>
n^#LB*q </ASP:TEMPLATECOLUMN>
faX#KRpfd U{(07GNm# 后台代码
GJPZ[bo protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
F9r*ZyNlx {
o#/iR]3 //改变列的选定,实现全选或全不选。
\l5:A]J CheckBox chkExport ;
|>GIPfVT if( CheckAll.Checked)
Ypj)6d {
n4y6Ua9m{ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%QLYNuG {
Qpf]3 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8-YrmP2k chkExport.Checked = true;
%nF\tVP3] }
*!@x<Hf< }
z-gG( else
Qe.kNdT+_ {
P@`"MNS foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5T#D5Z<m {
mXj Ljgc} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>irT|VTf chkExport.Checked = false;
rF3]AW( }
][#*h`I }
]
Nipo'N; }
2tm-:CPG F6VIH( 17.数字格式化
(`?
snMc ^VPl>jTg 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
j88sE MZ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
z}8L}: q.km>XRk~ int i=123456;
<OSvRWP) string s=i.ToString("###,###.00");
@6'E8NFl /,$\H 18.日期格式化
[qMdOY%jx N2s%p6RMPD 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
T<k1?h^7 >I~z7JS 显示为: 2004-8-11 19:44:28
){6)?[G )uuEOF"w 我只想要:2004-8-11 】
;I71_>m <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Vp"Ug,1 LlY*r+Cgl1 应该如何改?
5?0gC&WfN [iy;}5XK 【格式化日期】
g_c)Ts( [j U 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
#gJ~ {tA: y@\Q@
9 【日期的验证表达式】
$:
m87cR~ #(g+jb0E A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
U*"cf>dB( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
|hQ|'VCN e4%*I8
^e B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
f,inQ2f}d ^\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]))$
CVG>[~}(9' kS#DKo 【大小写转换】
Cy:`pYxhd HttpUtility.HtmlEncode(string);
bRz^= HttpUtility.HtmlDecode(string)
sxwW9_C kDl4t]j 19.如何设定全局变量
$_zkq@ G_N-}J>EP Global.asax中
]O=S2Q yZ)aKwj%U Application_Start()事件中
;VlZd*M? ;=\5$J9 添加Application[属性名] = xxx;
\(U" _NPp TKu68/\) 就是你的全局变量
BI.k On= 'L|GClc6) 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
jl-Aos"/ rspoSPnY1 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{F+M&+`` &DQ4=/Z 【ASPNETMENU】点击菜单项弹出新窗口
.>64h H 6Vbv$ AU 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
cm 9oG <?xml version="1.0" encoding="GB2312"?>
lH@E % <MenuData ImagesBaseURL="images/">
K&IrTA
j} <MenuGroup>
^HlLj# <MenuItem Label="内参信息" URL="Infomation.aspx" >
OV("mNh <MenuGroup ID="BBC">
nHA`B.:B <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
m{$tO;c/Q <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
}vUlTH ......
H"q`k5R KWhM 最好将你的aspnetmenu升级到1.2版
E?gu(\an@ @Gn?8Ur% 21.读取DataGrid控件TextBox值
%6IlE.*, foreach(DataGrid dgi in yourDataGrid.Items)
keQXJ0 {
g
y e(/N+I TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
&e]]F# tb.Text....
H(NT| }
?%xhe ,D@;i 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
ZkB6bji yg+IkQDf4U 〖思归〗
:ONuWNY
N <asp:TemplateColumn HeaderText="数量">
&<w[4z\ <ItemTemplate>
lKV\1(` <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
g#'fd/?Q onkeyup="javascript:DoCal()"
NrJ_6sjF0g />
)}Rfa}MD !&a;P,_Fb <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Rg?{?qK\K </ItemTemplate>
#mRFUA </asp:TemplateColumn>
i2FD1*=/? ~6-"i0k
<asp:TemplateColumn HeaderText="单价">
bQdSX8: !R <ItemTemplate>
;N$ 0)2w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
A`x
-L onkeyup="javascript:DoCal()"
5@UC c />
5rfH;` .A*VLF*m <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
NlF0\+h 2B9i R </ItemTemplate>
5w,Z 7I8 </asp:TemplateColumn>
Q$3\ /mz hEv=T'*,K) <asp:TemplateColumn HeaderText="金额">
c:llOHA <ItemTemplate>
z#{0;t <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
+dCDM1{_a </ItemTemplate>
<g3du~ </asp:TemplateColumn><script language="javascript">
#
cN_ y function DoCal()
.|-l+ {
dSe8vA!) var e = event.srcElement;
9|N"@0<B var row = e.parentNode.parentNode;
*^@#X-NG var txts = row.all.tags("INPUT");
+HOCVqx if (!txts.length || txts.length < 3)
)+n,5W return;
p<=(GY- z/Ns5 var q = txts[txts.length-3].value;
.# 6n var p = txts[txts.length-2].value;
g5tjj. `dv}a-Q)c if (isNaN(q) || isNaN(p))
':4}O# return;
=% q?Cr 4{;8:ax&w q = parseInt(q);
$hjP}- oUX p = parseFloat(p);
r zM Fof n5Nan
txts[txts.length-1].value = (q * p).toFixed(2);
EjR_-8@FK }
AV:Xg4UJv </script>
*L%6qxl`V KE/-VjZu rU=b?D)n!w HzRX$IKB3( pg~zUOY 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。
+Lm3vj_N page_load
w4e%-Ln page.smartNavigation=true
Hp)X^O" Iv$:`7|crX 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 ?
~L %Pz0Gg private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
oA4D\rn8" {
<w0NPrS] for(int i=0;i<e.Item.Cells.Count-1;i++)
Em e'Gk if(e.Item.ItemType==ListItemType.EditType)
kmm {
iNod</+"K e.Item.Cells.Attributes.Add("Width", "80px")
FI]P<)*r }
~ X-)_zH }
Sa3I?+ 0a"igH} 26.对话框
]y3pE}R private static string ScriptBegin = "<script language=\"JavaScript\">";
L5"8G,I private static string ScriptEnd = "</script>";
:tRf@bD# :s'o~
public static void ConfirmMessageBox(string PageTarget,string Content)
([:]T$0 # {
EY+/.=$x string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&/Eg2 tHrK~| ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
(k%GY<
b P ;mDM5.iF Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
m7$8k@r ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
-Y*VgoK% //Response.Write(strScript);
C=fsJ=a5; }
;~W8v.EW -O'{:s~ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
duX0Mc.0P
w3^NL(> 1.1 取当前年月日时分秒
6!P`XTTE currentTime=System.DateTime.Now;
K K?Zm_ s K+
(v 1.2 取当前年
^vJ"-{ int 年= DateTime.Now.Year;
A0G)imsW:_ Q*]$)D3n 1.3 取当前月
YiD-F7hf.* int 月= DateTime.Now.Month;
7FAIew\r kmryu= 1.4 取当前日
>;
aCf#q int 日= DateTime.Now.Day;
fJaubDxa {jvOHu 1.5 取当前时
z5x _fAT( int 时= DateTime.Now.Hour;
M'kVL0p?vN R)ERxz# 1.6 取当前分
94\t1fE int 分= DateTime.Now.Minute;
XC=%H'p 4|`Yz%' 1.7 取当前秒
/QQ8.8=5 int 秒= DateTime.Now.Second;
Bd{4Ae\_+g {@?G 9UypA 1.8 取当前毫秒
J , V int 毫秒= DateTime.Now.Millisecond;
?a
S% COR;e`%, 28.自定义分页代码:
>ajuk >*I N 先定义变量 :
j`O7=- public static int pageCount; //总页面数
P`
#QGZ> public static int curPageIndex=1; //当前页面
_2b9QP p Bs[nV}c>> 下一页:
g& k58{e if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
0o;O`/x {
moMYdArj DataGrid1.CurrentPageIndex += 1;
r!7 Y'| curPageIndex+=1;
7|YN:7iA }
'Y.Vn P&H qD#VbvRc9+ bind(); // DataGrid1数据绑定函数
wJgX/W `-_N@E1'> 上一页:
p~K9
B-D if(DataGrid1.CurrentPageIndex >0)
+iy7e6P {
'Gjq/L/x DataGrid1.CurrentPageIndex += 1;
EM@;3.IO curPageIndex-=1;
d6`OXTD }
77V
.["=7 TI=h_%mO bind(); // DataGrid1数据绑定函数
<\" .L K%MW6y 直接页面跳转:
{XgnZ`* int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
c"7j3/p } VEq:^o. if(a<DataGrid1.PageCount)
Bn?:w\%Ue {
BYi)j6" this.DataGrid1.CurrentPageIndex=a;
'Hw4j:pS }
z>;$im [$\z'} bind();
!Vheq3"q/ 9I`Y-D 29.DataGrid使用:
*XbI#L%> |ETiLR=& 添加删除确认:
jij<yM8$g private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eWvo,4 {
\hlR]m!C foreach(DataGridItem di in this.DataGrid1.Items)
;Wc4qJ.@ {
*f5l=lDOB if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
M\oTZ@ {
|%1?3Mpn ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
y,=du }
B@O@1?c[ }
a{SBCy }
99=s4*xzM "CQw/qZw 样式交替:
Wkzs<y" ListItemType itemType = e.Item.ItemType;
$Z?\>K0i ]XeO0Y if (itemType == ListItemType.Item )
|>2FRPK {
JN'cXZJPn e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Lq (ZcEKo e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
v>A=2i*j }
W0XF~ else if( itemType == ListItemType.AlternatingItem)
AW,OHSXh6 {
4 =Gph e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
\*0yaSQF e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
%zeATM[` }
4v'A\~ZU ,RxYd6 添加一个编号列:
}P9Ap3? DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
M+`Hg_#Q DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Y[Ltrk{ s%pfkoOY% for(int i=0;i<dt.Rows.Count;i++)
w$|l{VI {
GiFXX dt.Rows["number"]=(i+1).ToString();
wGsRS[ }
k(%QIJH tMp=-" DataGrid1.DataSource=dt;
%XTcP2pRJ DataGrid1.DataBind();
O
5Nb Bi3+)k>u7 DataGrid1中添加一个CheckBox,页面中添加一个全选框
PX(pX> private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
<3okiV=ox {
!yOeW0/2[ foreach(DataGridItem thisitem in DataGrid1.Items)
N_Akmh0D {
;8{cA_& ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Yw;D:Y( }
"xRBE\B }
1w(JEqY3h: Cx_Q :6T 将当前页面中DataGrid1显示的数据全部删除
LjB;;&VCn foreach(DataGridItem thisitem in DataGrid1.Items)
h*B|fy4K9U {
<plC_{Y:wu if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
6\jf|:h {
6t'l(E + string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
V DS23Bo Del (strloginid); //删除函数
MZJ]Dwt] }
8qEK+yi, }
RW$:9~ q my%J 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
U-kVNBs '1^B+m 在Application_Start中添加以下代码:
3]&o*Ib1`_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
JPn$FQD AppSettings["ConnStr"].ToString();
Va
VN llV3ka^! 31. 变量.ToString()
U$dh1; mo{MR:>) 字符型转换 转为字符串
BvrB:%_: 12345.ToString("n"); //生成 12,345.00
sbj(|1,ac 12345.ToString("C"); //生成 ¥12,345.00
'_k+WH& 12345.ToString("e"); //生成 1.234500e+004
z+ a%5J 12345.ToString("f4"); //生成 12345.0000
>>i@r@ 12345.ToString("x"); //生成 3039 (16进制)
NcPgq?3p 12345.ToString("p"); //生成 1,234,500.00%
r7]zQIE l7{oi! 32、变量.Substring(参数1,参数2);
ph>7?3;t .`<@m]m- 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);
;Vik5)D2D 7pA/ 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)
W|:lVAP.|} <SCRIPT language="javascript">
?Iyo9&1& <!--
cRd0S*QN2 function gook(pws)
Vm}%ttTC {
^.k
|SK`U frm.submit();
&!aAO(g
}
|2\{z{? //-->
@~c6qh $D
v\
e </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
`@[c8j7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
^EG\iO2X <tr>
Uy
? <td>
I+>%uShm <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
P}ok*{"J<> <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
:1XtvH <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Hn>B!Bm* =[\s8XH, <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
HHX-1+L <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
i
wxVl)QL o&AM2U/? </td>
G7--v,R1x "H-" </tr>
kg@>;(V& x8\A<(G_M= </form>
mWR4|1( J_Ltuso 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
Yt|6
X:l )ZrS{vY 下面是获取用户输入的登陆信息的代码:
^Q*atU string name;
wC `+ name=Request.QueryString["EmailName"];
M?&h~V1OI~ 322jR4QGr try
U9D!GKVp {
b=~i)` int a=name.IndexOf("@",0,name.Length);
h~{aGo f_user.Value=name.Substring(0,a);
OpM(j& f_domain.Value=name.Substring(a+1,name.Length-(a+1));
9j W2 f_pass.Value=Request.QueryString["Psw"];
pdJ/&ufh }
dq[Mj5eC pV4Whq$ catch
upj]6f"( {
Bs?7:kN( Script.Alert("错误的邮箱!");
.9md~j:o^s Server.Transfer("index.aspx");
A,r*%&4~ }