1. 打开新的窗口并传送参数:
.cQwjL "J, ErnM 传送参数:
$oq&uL response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
#p*{p)]HiA z^{VqC*o+ 接收参数:
H1 n`A#6? string a = Request.QueryString("id");
u` `FD string b = Request.QueryString("id1");
"^zxq5u Z)|*mJ 2.为按钮添加对话框
P
et0yH Button1.Attributes.Add("onclick","return confirm(’确认?’)");
_4owxYSDke button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
<2diO= }c|Xr^ 3.删除表格选定记录
A"I:cw"KY int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
V\PGk<VO string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
!(w\%$| 7tUl$H;I/R 4.删除表格记录警告
8D)*~C'85E private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-HP [IJP {
$?(fiFC switch(e.Item.ItemType)
ss236& {
x76<u:
case ListItemType.Item :
B:&/*HU case ListItemType.AlternatingItem :
H;G*tje/M case ListItemType.EditItem:
5=.,a5 TableCell myTableCell;
(3%NudkwT myTableCell = e.Item.Cells[14];
\.9-:\'( LinkButton myDeleteButton ;
"npj%O<bd myDeleteButton = (LinkButton)myTableCell.Controls[0];
)<1M'2 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
]5YG*sD4 break;
LC*@/(( default:
bxc#bl3 break;
+<"sC+2 }
&( b\jyf
U" aFi }
F4e<=R d;
oaG (e 5.点击表格行链接另一页
[|<|a3']| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"DjD"?/b {
fN?HF'7V //点击表格打开
y_Bmd if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w~;1R\?| e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
%=]~5a9 }
A>xFNem g.s~Ph- G 双击表格连接到另一页
]GJIrtS4 71@V|$Dy 在itemDataBind事件中
#QXB2x<* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+K;
X$kB {
(Y)$+9 string OrderItemID =e.item.cells[1].Text;
lmp0Ye| ...
oZmni9*SD e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ORA+> }
wX<)Fj' bv4lgRE6Y 双击表格打开新一页
IyL2{5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^ bexXYh {
rKg5?. string OrderItemID =e.item.cells[1].Text;
<Ktx*(D ...
k,0JW=Vh>| e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
cIw)ScY }
=Mc*~[D/ MJt?^G (w? ★特别注意:【?id=】 处不能为 【?id =】
<I&X[Sqp 6.表格超连接列传递参数
?Sh]m/WZd[ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
[_^K}\/+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
,~hvFTJI (m|p|rL 7.表格点击改变颜色
"/(J*)%{ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
eXc`"T,C. {
<omSK-
T- e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}<[@)g.h. this.style.color=’buttontext’;this.style.cursor=’default’;");
@tM1e< }
bvUjH5.7 dTB^6>H 写在DataGrid的_ItemDataBound里
HKP<=<8/O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
xeIt7b?# {
Elom_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
0%<Fc9# this.style.color=’buttontext’;this.style.cursor=’default’;");
^}a..@|%W e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jri=UGf }
gH,^XZe Y#=0C*FS \uc]+nV!o 8.关于日期格式
3T'9_v[Y &
VJ+X|Z 日期格式设定
[W,Ej DataFormatString="{0:yyyy-MM-dd}"
XPBKQm_} ?R(fxx 我觉得应该在itembound事件中
f0~<qT?:n e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
^|5vmI'E U,gg@!1GJo 9.获取错误信息并到指定页面
D8m1:kU "@xI
不要使用Response.Redirect,而应该使用Server.Transfer
X/}kNW!q `%ZM(9T e.g
2TXrVaM // in global.asax
J2f}{! b+I protected void Application_Error(Object sender, EventArgs e) {
9f\Lon4lX if (Server.GetLastError() is HttpUnhandledException)
etMQy6E\ Server.Transfer("MyErrorPage.aspx");
'P0:1"> `WboM\u //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
hbl:~O&a/ }
H{x'I@+ j_H9l,V 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
)>QpR8
G- V8@VR`!' 10.清空Cookie
fZw/kjx@ Cookie.Expires=[DateTime];
e4fh<0gX Response.Cookies("UserName").Expires = 0
2-s ,PQno^ 7y5`YJ}! 11.自定义异常处理
G|H+
,B //自定义异常处理类
Cvry8B using System;
UMILAoR using System.Diagnostics;
F0qpJM, g`i?]6c}jt namespace MyAppException
;.Zgt8/. {
<wfPbzs-V /// <summary>
l+HmG< P /// 从系统异常类ApplicationException继承的应用程序异常处理类。
QbjO*:c4 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
w
&1_k:Z& /// </summary>
xAbx.\ public class AppException:System.ApplicationException
~2PD%+e7] {
s;Q0 public AppException()
`|)V]< {
RZoSP(6 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
aZn]8jC% }
K~$A2b95 mM0VUSy public AppException(string message)
-+?ZJ^A {
OyH>N/ LogEvent(message);
io%WV%1_ }
i/E"E7 Y)H~*-vGu public AppException(string message,Exception innerException)
&OQ37(<_ {
_JNSl2 LogEvent(message);
s;e%*4 if (innerException != null)
w%~UuJ#i {
@rI+.X LogEvent(innerException.Message);
"A\h+q- }
4zKmoYt }
K~Nx;{{d hGh91c;4 //日志记录类
l7 Pn5c using System;
N iw~0"-V using System.Configuration;
"'U+T:S using System.Diagnostics;
+i^@QNOa using System.IO;
cZC%W!pT using System.Text;
2>TOCBB" using System.Threading;
znnnqR0us 0h/bC)z
namespace MyEventLog
\ GYrPf$ {
gr1NcHu /// <summary>
ZZq]I /// 事件日志记录类,提供事件日志记录支持
O:%s;p
5 /// <remarks>
!-rG1VI_S* /// 定义了4个日志记录方法 (error, warning, info, trace)
c||EXFS}O /// </remarks>
XX&4OV,^%D /// </summary>
{6Y |Z> public class ApplicationLog
V3D`pt\[x {
PtsQV! /// <summary>
RGEgYOO /// 将错误信息记录到Win2000/NT事件日志中
+*uaB /// <param name="message">需要记录的文本信息</param>
9UDanj P /// </summary>
42$ pvw< public static void WriteError(String message)
8k +^jj {
|ht:_l
8 WriteLog(TraceLevel.Error, message);
{$qE>ic }
M/?eDW/ >|zMN$: /// <summary>
9Xl[AVs:M
/// 将警告信息记录到Win2000/NT事件日志中
sE^ee2]OI@ /// <param name="message">需要记录的文本信息</param>
7<GC{/^T /// </summary>
| KtI:n4d public static void WriteWarning(String message)
Ui?iMtDr {
]QC9y:3 WriteLog(TraceLevel.Warning, message);
\MqOHM.[ }
Jlp nR#@ g'cLc5\ /// <summary>
%\"<lyD /// 将提示信息记录到Win2000/NT事件日志中
Ua hsX /// <param name="message">需要记录的文本信息</param>
lT^/8Z<g /// </summary>
-.xiq0 public static void WriteInfo(String message)
H46N!{<;@ {
6 &Lr/J76 WriteLog(TraceLevel.Info, message);
ibH!bS{ }
hXnfZx% /// <summary>
HTz5LAe~b7 /// 将跟踪信息记录到Win2000/NT事件日志中
ZSWZz8 /// <param name="message">需要记录的文本信息</param>
*'w?j)}A9g /// </summary>
Zzn
N"Si, public static void WriteTrace(String message)
9$k0 {
)_n=it$ WriteLog(TraceLevel.Verbose, message);
&cGa~#-u }
?}RPnf +>3jMs~& /// <summary>
t =V| ' /// 格式化记录到事件日志的文本信息格式
3c%_RI. /// <param name="ex">需要格式化的异常对象</param>
unKPqc%q=n /// <param name="catchInfo">异常信息标题字符串.</param>
e&nE /// <retvalue>
_mWVZ1P /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]*?lgwE /// </retvalue>
{x{~%)- /// </summary>
7F2 WmMS public static String FormatException(Exception ex, String catchInfo)
Gsn$r(m{K {
p<[MU4 StringBuilder strBuilder = new StringBuilder();
t)|~8xpP if (catchInfo != String.Empty)
<@Z`<T6 {
HmiG%1+{A strBuilder.Append(catchInfo).Append("\r\n");
%@9c'6 }
v}LI-~M>U strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
:
&bJMzB return strBuilder.ToString();
sZx`u+ }
r=-b@U.fk> )x+P9| /// <summary>
&%]v0QK /// 实际事件日志写入方法
iC{(vL0P+ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
a8$4 /// <param name="messageText">要记录的文本.</param>
NX4G;+6 /// </summary>
''dS{nQs private static void WriteLog(TraceLevel level, String messageText)
=MU(!` {
% 2wr%*h try
H +'6*akV {
|\2>n! EventLogEntryType LogEntryType;
vBzUuX switch (level)
qv^P {
nW)?cQ
I case TraceLevel.Error:
AL !ppi LogEntryType = EventLogEntryType.Error;
sZI"2[bk break;
0qINa:Ori case TraceLevel.Warning:
EXMW, LogEntryType = EventLogEntryType.Warning;
!9.k%B: break;
IClw3^\l case TraceLevel.Info:
!YPwql(
LogEntryType = EventLogEntryType.Information;
7Kf break;
jW]"Um-] case TraceLevel.Verbose:
Q6)?#7<jy LogEntryType = EventLogEntryType.SuccessAudit;
e
|K_y~ break;
C$p012D1 default:
$DXO7;# LogEntryType = EventLogEntryType.SuccessAudit;
i?ZVVE=r break;
!2Gua1z!CJ }
5dGfO:Dy_ 9wlp
AK EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Pbd[gKX_ //写入事件日志
_@i-?Q eventLog.WriteEntry(messageText, LogEntryType);
)DmydyQ' }uNj#Uf }
",l6-<s catch {} //忽略任何异常
!Q WNHL }
7t+d+sQ-l } //class ApplicationLog
_Pno9| }
xax[#Vl4 3-btaG'P 12.Panel 横向滚动,纵向自动扩展
+`bnQn]x+ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
uh2 Fr ^&D5J\][ 13.回车转换成Tab
JH| D <script language="javascript" for="document" event="onkeydown">
tnAj3wc if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
i=L 86Ks event.keyCode=9;
x <a}*8" </script>
I{Ip F?$Vx)HI onkeydown="if(event.keyCode==13) event.keyCode=9"
XHxJzYMc >?1GJ5]\s 14.DataGrid超级连接列
udT0`6l; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
(/2rj[F& ep~+]7\ 15.DataGrid行随鼠标变色
ber&!9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@<3E`j'p {
DXG`% <ZMn if (e.Item.ItemType!=ListItemType.Header)
+m]-) {
'<3h8\" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
O&MH5^I e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
whYk"N }
wK0x\V6dJ }
b}fC'
h BYu(a
16.模板列
/lbj!\~ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
W/\pqH <ITEMTEMPLATE>
T;5VNRgpI <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*v%gNq </ITEMTEMPLATE>
V@]SKbK}wN </ASP:TEMPLATECOLUMN>
GMg!2CIU }]H7uC!t <ASP:TEMPLATECOLUMN headertext="选中">
-. o,bg <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Rz&`L8Bz <ITEMTEMPLATE>
Zr1"'+- <ASP:CHECKBOX id="chkExport" runat="server" />
:1Nc6G </ITEMTEMPLATE>
etT9}RbQ <EDITITEMTEMPLATE>
\?oT.z5VG& <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
z Ohv>a </EDITITEMTEMPLATE>
w+"E{#N </ASP:TEMPLATECOLUMN>
w>8HS+ c0Bqm 后台代码
wm^1Fn-- protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
*+zFsu4l {
=dH=3iCG //改变列的选定,实现全选或全不选。
SHs [te[ CheckBox chkExport ;
T*mR9 8i if( CheckAll.Checked)
XlD=<$Nk7 {
!yT=*Cj4 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
qtdkK LT {
_h4]gZ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
.71ZeLv* chkExport.Checked = true;
gaQ E'qp> }
h<)ceD<, }
qE3Ud:j else
]zVQL_%, {
.?rs5[th* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
oQrfrA&=M {
]]_5_)"4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ZnJJ-zP chkExport.Checked = false;
x${C[gxq9F }
Qy"%%keV'T }
jJw }
p[o]ouTcS jygUf| 17.数字格式化
eI:x4K,# ]KEE+o 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Ky7.&6\n <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Q|P
M6ta 4W|cIcU
W int i=123456;
@{#'y4\> string s=i.ToString("###,###.00");
P=1Ku|k 7FkiT 18.日期格式化
iDX<`) 50|nQ:u, 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
(tq);m& \a7m!v 显示为: 2004-8-11 19:44:28
IJKdVb~ c~/poFj 我只想要:2004-8-11 】
n$NM <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
S"@6, 5FuV=Y uc 应该如何改?
J/D~]U B_iaty 【格式化日期】
={v(me0ZPb U\ ,N 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
:R
+BC2x \D'mo 【日期的验证表达式】
</
"Wh4>C N%'(8%; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
[kpQ:'P3 ^((\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})))?$
>r
C*. 6W B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
=SuJ* ^\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]))$
/eU\B^k KPDJ$,: 【大小写转换】
V1Ojr~iM HttpUtility.HtmlEncode(string);
/2E
Q:P HttpUtility.HtmlDecode(string)
-O,:~a=*_ S&-F(#CF^ 19.如何设定全局变量
;7EeR M* w2V:x[ Global.asax中
$<XQv $YS KztQT9kY Application_Start()事件中
Sh5)36 h5T~dGRlR 添加Application[属性名] = xxx;
0}`.Z03fy [_`yy 就是你的全局变量
!-n*]C >);M\,1\I 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
sw}^@0ua= W`u @{Vb] HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
8%?MRRK -K$ugDi 【ASPNETMENU】点击菜单项弹出新窗口
pg!oi?Jn 8dLmsk^ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
k<j]b^jbz <?xml version="1.0" encoding="GB2312"?>
:-U&_%#w <MenuData ImagesBaseURL="images/">
@:B}QxC <MenuGroup>
Y@q9 <MenuItem Label="内参信息" URL="Infomation.aspx" >
oiR9NB&< <MenuGroup ID="BBC">
Z_dL@\#| <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
THX% z
` <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
op2Zf?Bx{+ ......
-DJ,<f*$ z79oj\&[ 最好将你的aspnetmenu升级到1.2版
As5l36 /&G|.Cx 21.读取DataGrid控件TextBox值
ltU{P|7!E foreach(DataGrid dgi in yourDataGrid.Items)
P.Cn[64a+@ {
6C"zBJcGc TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
yxT}hMa tb.Text....
RTbV!I }
rx;;|eb, AqQ5L>:Gq 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?
9bRUN< GutiqVP:B 〖思归〗
=aQlT*n%3 <asp:TemplateColumn HeaderText="数量">
DWx;cP8[ <ItemTemplate>
p:$v,3: <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
eHKb`K7C. onkeyup="javascript:DoCal()"
-qvMMit%7 />
G#f3
WpD X{i>Q_8> <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
hyJ&~i0P{J </ItemTemplate>
ToKG;Ff 4b </asp:TemplateColumn>
R=48:XG3/K =d<~:!) <asp:TemplateColumn HeaderText="单价">
m+7%]$ <ItemTemplate>
ts_|7Ev <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
xT* 3QwK onkeyup="javascript:DoCal()"
Khv}q.)F />
ME!P{ _/ dblf,x <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
^jb;4nf xL<c/B`-: </ItemTemplate>
^?\|2H </asp:TemplateColumn>
9An\uH)mL U6wy^!_X9 <asp:TemplateColumn HeaderText="金额">
]Lg~I#/# <ItemTemplate>
ZQir?1= <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~#VDJ[Z </ItemTemplate>
9vW]HOK </asp:TemplateColumn><script language="javascript">
X7-[#} T function DoCal()
B]b/(Q+ {
z<^LY] var e = event.srcElement;
}M"])B I
var row = e.parentNode.parentNode;
"Dq^r9 var txts = row.all.tags("INPUT");
VM&Ref4 if (!txts.length || txts.length < 3)
Y}q~Km return;
W?!rqo2SP Hi$N"16A5z var q = txts[txts.length-3].value;
3m4
sh~ var p = txts[txts.length-2].value;
iFcSz 6@47%%,} if (isNaN(q) || isNaN(p))
Wlq3r# return;
huyfo1( :i
{;
81V q = parseInt(q);
cD!E.2[ p = parseFloat(p);
c05-1 u0)9IZxc txts[txts.length-1].value = (q * p).toFixed(2);
vr?u=_%Z }
./.aLTh </script>
P|lDW|}D@ O8v9tGZoh IZ^:wIKo{ ]B~(yh V!yBH<X 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。
1=9GV+`n page_load
T*C
F5S page.smartNavigation=true
Z!fbc#L6
ypemp=+(r 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 ?
-`z%<)!Y private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
n_Y7*3/b-o {
0Krh35R_)F for(int i=0;i<e.Item.Cells.Count-1;i++)
qkp0' f*} if(e.Item.ItemType==ListItemType.EditType)
$T66%wX {
o
/1+
}f e.Item.Cells.Attributes.Add("Width", "80px")
=WZ9|e }
nra)t|m }
-k2|`t _ ?|}qT05 26.对话框
d( ru5*p private static string ScriptBegin = "<script language=\"JavaScript\">";
;l0%yg/} private static string ScriptEnd = "</script>";
T$<'ZC #D?w,<_8, public static void ConfirmMessageBox(string PageTarget,string Content)
tu{paQ {
FzCXA=m string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
P\{s C6E ^'Rs`e ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
9jx>&MnWs 9&C8c\Y Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
z?kE((Ey ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
$nIE;idk //Response.Write(strScript);
y@2"[fo3~ }
KyP@ hhj ''! j:49 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
q@VIFmqY! nox-)e 1.1 取当前年月日时分秒
;p<BiC$b currentTime=System.DateTime.Now;
iyUnxqP ,+C?UW 1.2 取当前年
(G$Q\> int 年= DateTime.Now.Year;
=,qY\@fq iYw1{U 1.3 取当前月
:=!6w int 月= DateTime.Now.Month;
q;f L@L@- 'gD./|Z0 1.4 取当前日
QK #qW-49O int 日= DateTime.Now.Day;
28+{ `fJ;4$4 1.5 取当前时
Ad3TD L? int 时= DateTime.Now.Hour;
{,T=Siy 'dzbeTJD5 1.6 取当前分
\'('HFr, int 分= DateTime.Now.Minute;
~d,$nZ"z `qCL&(`% 1.7 取当前秒
4 CiRh int 秒= DateTime.Now.Second;
/!6 VP | H0t#J 1.8 取当前毫秒
-=UvOzw int 毫秒= DateTime.Now.Millisecond;
K9VP@[zbJ UMF M.GI 28.自定义分页代码:
pa?AKj] 87)/dHc 先定义变量 :
'iwTvkf{ public static int pageCount; //总页面数
Z?9G2<i public static int curPageIndex=1; //当前页面
\)aFYDq#\ j':<7n/A 下一页:
Pd
`~#! if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
xH,e$t#@@~ {
0lOan DataGrid1.CurrentPageIndex += 1;
|m*l/@1 curPageIndex+=1;
>lek@euqw }
I)r6*|mz !B9Yw/Ba bind(); // DataGrid1数据绑定函数
H
]](xYy. 9q&~!>lt 上一页:
gF293Ez if(DataGrid1.CurrentPageIndex >0)
Q4S:/"*v8 {
+R{~%ZTK DataGrid1.CurrentPageIndex += 1;
.>_%12> curPageIndex-=1;
opzlh@R
3 }
vJ 28A XMxm2-%olP bind(); // DataGrid1数据绑定函数
W4( HB.:/5\ 直接页面跳转:
**1=|aa: int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
A5%Now;.cf 6-5{7E}/b if(a<DataGrid1.PageCount)
&H}Xk!q5b^ {
W&I:z-VH this.DataGrid1.CurrentPageIndex=a;
rF{,]U9` }
auY?Cj'"fs ]1h9:PF bind();
|A0U3$S= v9f%IE4fX 29.DataGrid使用:
XGYsTquSe m?4HVv 添加删除确认:
9 *v14c% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ku>Bxau4> {
7[R`52pP foreach(DataGridItem di in this.DataGrid1.Items)
ALInJ{X {
5RY-.c4} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
K 4{[s
z {
7<2^8` ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
F`Z?$ 1 }
,#0#1k<Dm }
(58r9WhS }
+OSSgY$ 'cK{FiIT 样式交替:
5;XU6Rz! ListItemType itemType = e.Item.ItemType;
mr]~(]B?r l6MBnvi if (itemType == ListItemType.Item )
a%an={ {
5~#oQ& e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
w-@6qMJ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
u,`V%J?vW }
Aaz:C5dtU else if( itemType == ListItemType.AlternatingItem)
G#E8xA"{/ {
IkGM~3e e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
0/%RrE e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3lS1WA }
;xai JJK{ FysIN~ 添加一个编号列:
Gsm.a DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
`:0Auw9h DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
C8(0|XX "0z4mQ}>N for(int i=0;i<dt.Rows.Count;i++)
XN3'k[ {
9%MgA ik( dt.Rows["number"]=(i+1).ToString();
(&_~eYZU }
3?!c<^"e D_`~$QB`, DataGrid1.DataSource=dt;
7o7FW=^ DataGrid1.DataBind();
RH$YM
`cZ .8[uEQ_L DataGrid1中添加一个CheckBox,页面中添加一个全选框
I-Hg6WtB private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
;1r|Bx <5 {
x69RQ+Vw foreach(DataGridItem thisitem in DataGrid1.Items)
&C?4'e {
br?pfs$U ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
f&Juq8s_0 }
g<8Oezi 65 }
OU?.}qc<wE UdpuQzV<4` 将当前页面中DataGrid1显示的数据全部删除
G) 37?A) foreach(DataGridItem thisitem in DataGrid1.Items)
rfh`;G5s {
JM*!(\Y if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
I%z,s{9p {
$B]_^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
D|vck1C5, Del (strloginid); //删除函数
.[?2_e#9 % }
I &%
Z*H }
gmiLjI
C +Wa(K 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)
6r h#ATep @)ls+}=Y 在Application_Start中添加以下代码:
_]0<G8|Rv Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
YlZ&4 AppSettings["ConnStr"].ToString();
@qF:v]=_@ ,"?8 31. 变量.ToString()
Q>G% *? ]KUeSg| 字符型转换 转为字符串
7H,)heA 12345.ToString("n"); //生成 12,345.00
< 7*9b 12345.ToString("C"); //生成 ¥12,345.00
;2gO( 12345.ToString("e"); //生成 1.234500e+004
m,rkKhXP 12345.ToString("f4"); //生成 12345.0000
'W&ewZH_h 12345.ToString("x"); //生成 3039 (16进制)
A5s;<d0 12345.ToString("p"); //生成 1,234,500.00%
-x!JTx[K dvAz}3p0] 32、变量.Substring(参数1,参数2);
2=VFUR 8 r\ C"Fx^ 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);
xd+aO=)Td u!FF{~5cs 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)
F&7^M0x\ O <SCRIPT language="javascript">
!2.eJ)G <!--
n3\~H9 function gook(pws)
q{xF7}i {
r( bA>L*mk frm.submit();
UhU"[^YO }
$OzVo&P; //-->
TALiH'w6|e >h$Q%w{V </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
g6OPYUPg <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
4(`U]dNcs <tr>
Jpn= ^f[rm <td>
j=u)
z7J <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
L=I;0Ip9y <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
qv<^%7gq <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
rG%8ugap ZT<VDcP{ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
]i>,oxBWe <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
(543`dqAmC c1
j@*6B </td>
CSBDSz NLt"yD3t </tr>
y&wo"'; q7I(x_y / </form>
,@zw
,}l|_GGj 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。
2g5jGe*0 n.G.fbO 下面是获取用户输入的登陆信息的代码:
A~<cp)E string name;
z0|-OCmL name=Request.QueryString["EmailName"];
6$H`wDh#(& MieO1l try
x-b}S1@ {
@yF>=5z: int a=name.IndexOf("@",0,name.Length);
-U|Z9sia f_user.Value=name.Substring(0,a);
nx%eq,Pq f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Ou+b ce f_pass.Value=Request.QueryString["Psw"];
i*T
-9IP }
00yWk_w ;"8BbF. catch
"1UpoF'w {
NIp]n[=.q Script.Alert("错误的邮箱!");
a>,Zp*V( Server.Transfer("index.aspx");
6!([Hu#= * }