1. 打开新的窗口并传送参数:
"]z-: \ V O$IEn/%+ 传送参数:
F{EnOr`,m= response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
TR<<+ k%D+Y(WGz8 接收参数:
R($KSui string a = Request.QueryString("id");
|p><'Q%* string b = Request.QueryString("id1");
dik:4; 4"{ooy^Q 2.为按钮添加对话框
Pdt6nzfr Button1.Attributes.Add("onclick","return confirm(’确认?’)");
ZkA U17f button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
&GlwC%$S U4gF(Q 3.删除表格选定记录
'@p['#\uI int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
v'VD0+3[H string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
&z>e5_. 6xWe=QGE 4.删除表格记录警告
ANJ$'3tg private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'<rZm=48 {
zRq-b`<7V switch(e.Item.ItemType)
30XR
82P/ {
sA'6ty case ListItemType.Item :
--HF8_8;' case ListItemType.AlternatingItem :
%1O;fQL case ListItemType.EditItem:
p$h4u_ TableCell myTableCell;
_h X]% myTableCell = e.Item.Cells[14];
;cPy1 LinkButton myDeleteButton ;
>)spqu] myDeleteButton = (LinkButton)myTableCell.Controls[0];
AI,(z;{P myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Sg6"WV{< break;
V#cqRE3XNi default:
x/;bu W- break;
Uc_'(IyO }
Z7_m)@%;kk JS*m65e }
um4yF*3b9 LXEfPLS 5.点击表格行链接另一页
&K/ya7 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
qjf[zF {
} w
5l //点击表格打开
?RK]FP"A if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
HRiL.DS e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
H2um|6> }
7Garnd b dgA-MQ5{ 双击表格连接到另一页
JcbwDlUb
-TM0]{ 在itemDataBind事件中
5]HS^II" if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@1DX {
7PANtCFb& string OrderItemID =e.item.cells[1].Text;
4g
:>[q ...
5e$~)fL e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
F8;dKyT?q }
dl~%MWAVb ?gJy3@D 双击表格打开新一页
7VMvF/ap]u if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
u86"Y^d# {
xKQ+{"?-^g string OrderItemID =e.item.cells[1].Text;
{_S}H1, ...
zipS
]YD e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
=dII- L=` }
)yTm.F r6&54f ★特别注意:【?id=】 处不能为 【?id =】
,Fi>p0bz 6.表格超连接列传递参数
HYD"#m'TkB <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
>B2:kY F <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
WDg+J $OP7l>KZY 7.表格点击改变颜色
Z\HX~*,6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}; f#^gz' {
!<SA6m# e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0&/b42W this.style.color=’buttontext’;this.style.cursor=’default’;");
;PjQt=4K }
&2 `F n!m sFQ^2PwbS 写在DataGrid的_ItemDataBound里
#|*F1K if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Q($Z%1S {
sVJ!FC e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
c05 %iv this.style.color=’buttontext’;this.style.cursor=’default’;");
rk7QZVE e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
R,|d`)T }
G(~;]xNW+ d1U\ft:gV yQ^($#Yk 8.关于日期格式
<o+<H ~ug=
{b 日期格式设定
Nkp)Ax& DataFormatString="{0:yyyy-MM-dd}"
6S+U&Ce\ ]p;FZ4-T 我觉得应该在itembound事件中
tkXEHsRT e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7oq[38zB '1$!jmY 9.获取错误信息并到指定页面
q*2N{ RTv
qls 不要使用Response.Redirect,而应该使用Server.Transfer
lWqrU1Sjl # g_Bx e.g
RB+N
IoQQ| // in global.asax
]|sAK%/ protected void Application_Error(Object sender, EventArgs e) {
nv0]05.4 if (Server.GetLastError() is HttpUnhandledException)
t`+'r}=d Server.Transfer("MyErrorPage.aspx");
h}]fnA ~M\I;8ne //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
7DIIx}A }
4"xPr[=iG cCa|YW^j 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
NcP.;u;` {;.T7dL 10.清空Cookie
2D:fJ~|-[ Cookie.Expires=[DateTime];
S-YM%8A[ Response.Cookies("UserName").Expires = 0
|]aE<`D Zc!@0 11.自定义异常处理
e'=MQ,EWd //自定义异常处理类
C-Ht(x | using System;
zkO<-w using System.Diagnostics;
] Puy!Q h;-yU.(w namespace MyAppException
q+[SbG& {
H)>@/"j; /// <summary>
#(1j#\ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ZeEWp3vW /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^;Sy. W&` /// </summary>
z^GDJddG public class AppException:System.ApplicationException
vmLxkjUm# {
H6&J;yT} public AppException()
fm^@i;D
{
z8[yt282 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
2KQoy; }
cZ<A0 ONCnVjZ public AppException(string message)
YSj+\Z$( {
P1NJ^rX LogEvent(message);
.58qL-iC }
4WE6fJ2X m\ddp_l public AppException(string message,Exception innerException)
a\%xB >LX {
fPrLM' LogEvent(message);
[p2H= if (innerException != null)
j~FD{%4N {
STglw-TC\ LogEvent(innerException.Message);
+Y
V|ij }
yB3; }
h(F<h_ =i(?deR //日志记录类
QMsHC%l3b using System;
2CzaL,je[ using System.Configuration;
Q7g>4GZC using System.Diagnostics;
5bA)j!#)|X using System.IO;
TO-nD> using System.Text;
,:%"-`a% using System.Threading;
P<Zh XN' lw :`M2P, namespace MyEventLog
rvyrxw%[ {
NNF>Xa`9, /// <summary>
M{$j /// 事件日志记录类,提供事件日志记录支持
)LdyC`S\c /// <remarks>
~`D|IWMDq /// 定义了4个日志记录方法 (error, warning, info, trace)
Z(ZiFPx2Z /// </remarks>
HXoX /// </summary>
b]7GmRekl public class ApplicationLog
%J8|zKT5t {
@?[1_g_'P /// <summary>
r@{~ 5&L /// 将错误信息记录到Win2000/NT事件日志中
^+
wD43 /// <param name="message">需要记录的文本信息</param>
{<5ybbhLV /// </summary>
R@wjccu public static void WriteError(String message)
5BR2?hO4 {
wP57Pf0 WriteLog(TraceLevel.Error, message);
I"1;|`L~: }
c5Q<$86 &|aqP
\Q5 /// <summary>
(708H_ /// 将警告信息记录到Win2000/NT事件日志中
c)Ic#<e( /// <param name="message">需要记录的文本信息</param>
DaH?@Q /// </summary>
XK"-' public static void WriteWarning(String message)
6O@J7P {
kEO7PK/ WriteLog(TraceLevel.Warning, message);
zSE<"(a }
:=9] c17= rS0DSGDq /// <summary>
VqE~c /// 将提示信息记录到Win2000/NT事件日志中
TyKWy0x-3 /// <param name="message">需要记录的文本信息</param>
.^bft P\ /// </summary>
5qf
BEPJ public static void WriteInfo(String message)
87WBM;$&s {
m{7^EF WriteLog(TraceLevel.Info, message);
=0-
$W5E }
U;n*j3wT /// <summary>
lKkN_ (/j /// 将跟踪信息记录到Win2000/NT事件日志中
S2>c#BQ /// <param name="message">需要记录的文本信息</param>
s!9dQ. /// </summary>
|8bq>01~ public static void WriteTrace(String message)
O8]'o*<] {
OgcHS? WriteLog(TraceLevel.Verbose, message);
zd_HxYrN }
X]loJoM9 | ea~'N1 /// <summary>
5`]UE7gT /// 格式化记录到事件日志的文本信息格式
f,z P* /// <param name="ex">需要格式化的异常对象</param>
63!rUB!
/// <param name="catchInfo">异常信息标题字符串.</param>
?+c`]gO7N /// <retvalue>
ZvGgmLN /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
UA~RK2k? /// </retvalue>
!m(4F(!"h /// </summary>
]hud4i~ public static String FormatException(Exception ex, String catchInfo)
`p'Q7m2y/b {
7n o5b]
\ StringBuilder strBuilder = new StringBuilder();
3@n>*7/E if (catchInfo != String.Empty)
+m}Pmi$ {
1G7b%yPA strBuilder.Append(catchInfo).Append("\r\n");
< pTTo }
s!+"yK strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
4Iq'/r return strBuilder.ToString();
z5*=MlZ)R. }
[0OJdY4 6r"u$i`o /// <summary>
lZ&]|*> /// 实际事件日志写入方法
AOp/d(vx5i /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
`O^G5 0 /// <param name="messageText">要记录的文本.</param>
|BZDhd9<{ /// </summary>
WS2osBc private static void WriteLog(TraceLevel level, String messageText)
^Cv^yTj;& {
d/74{. try
O8U<{jgAG {
!TAp+b EventLogEntryType LogEntryType;
B$?qQ|0:= switch (level)
XI Jlc~2 {
Zs2-u^3& case TraceLevel.Error:
U Q@7n1 LogEntryType = EventLogEntryType.Error;
)U:2z-X&e break;
]ALc;lb-} case TraceLevel.Warning:
Y`6rEA0 LogEntryType = EventLogEntryType.Warning;
L?Yoh< break;
N:VX!w case TraceLevel.Info:
%b?$@H-Re LogEntryType = EventLogEntryType.Information;
^")F7`PF break;
]=73-ywn] case TraceLevel.Verbose:
d {2 LogEntryType = EventLogEntryType.SuccessAudit;
~e@>zoM'^ break;
1x~U*vbhQ default:
zVv04_: LogEntryType = EventLogEntryType.SuccessAudit;
wzjU,Mwe break;
/cFzotr"9 }
]+DI.% .w6eJ4] EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
O)R(==P26P //写入事件日志
uqyB5V0gh eventLog.WriteEntry(messageText, LogEntryType);
"k$JP qJR!$? }
iO1nwl !# catch {} //忽略任何异常
w(nHD*nm }
w'7R4 } //class ApplicationLog
m+$ @'TbP }
,%# EA<}[4#jS 12.Panel 横向滚动,纵向自动扩展
Uf*EJ1Ei <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
n,M)oo1G ^4v*W;Q 13.回车转换成Tab
L3(^{W]| <script language="javascript" for="document" event="onkeydown">
1+y"i<3) if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Zt3}Z4d event.keyCode=9;
mV9A{h </script>
K,xW6DiH w-N1.^ onkeydown="if(event.keyCode==13) event.keyCode=9"
@LD6:gy Lp:6 ; 14.DataGrid超级连接列
>n.z)ZJ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
m:Go-tk FdOFE.l 15.DataGrid行随鼠标变色
X7*` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
TB
aVW {
O';ew)tI
if (e.Item.ItemType!=ListItemType.Header)
Ja^ 5?Ar| {
@nV5.r0W}B e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~H@+D}J? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&[|VZ[ }
mjnUs-`W| }
HO|-@yOF^ 10sK]XI 16.模板列
y@ek=fT%4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\6j^kY= <ITEMTEMPLATE>
"u')g& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0WxCSL$#I </ITEMTEMPLATE>
r@)A
k </ASP:TEMPLATECOLUMN>
@u4=e4eF` ? S=W& <ASP:TEMPLATECOLUMN headertext="选中">
^gro=Bp( <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
h=RDO <ITEMTEMPLATE>
nX%AeDBAT <ASP:CHECKBOX id="chkExport" runat="server" />
5a8>g
[2U </ITEMTEMPLATE>
\Xg?Ug*9w <EDITITEMTEMPLATE>
y)J(K*x/$ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
wod/&!)]A </EDITITEMTEMPLATE>
KAA3iA@>+ </ASP:TEMPLATECOLUMN>
^Ip3A >X Qv?5 后台代码
mU{4g`Iw protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
~0tdfK0c {
yDd[e]zS` //改变列的选定,实现全选或全不选。
1-;?0en&0 CheckBox chkExport ;
jPu5nwvUV> if( CheckAll.Checked)
uVU`tDzd: {
udqge?Tz foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Aa(<L$e!` {
m24v@?* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
+GNWF%
zN chkExport.Checked = true;
$G?(OWI}l` }
'?/&n8J\ }
,=w!vO5s else
jD<pIHau {
H"YL
k foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
j64 4V|z {
<4?*$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
} ~enEZ chkExport.Checked = false;
%JoxYy- }
6nw&$I }
XdIah<F2 }
mA{#]Yvf1 {gkwOMW 17.数字格式化
2)LX^?7R NtZ6$o<Y 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Z$2L~j"=! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
]if;A ) ' {/UhUG int i=123456;
(.^8^uc7X string s=i.ToString("###,###.00");
[ #]jC[ z%2w(&1 18.日期格式化
wL
eHQ] !]DuZ= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
)bW<8f2 X=_Z(;<& 显示为: 2004-8-11 19:44:28
(wL3 + H@!#;w 我只想要:2004-8-11 】
D9,!
%7i <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
&:vscOl )A83A<~ 应该如何改?
#MM&BC =P_fv 【格式化日期】
%-^}45](q 9/;{>RL= 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
cF.mb*$K Qb@eK$wo} 【日期的验证表达式】
M/w{&& gX/NtO% A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
{[3YJkrM ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Dc:DY:L^
5EhE`k4 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
BMjfqX ^\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]))$
kMS5h~D[ BvJ=iB<E 【大小写转换】
ONWO`XD HttpUtility.HtmlEncode(string);
ZlM_m
>,o HttpUtility.HtmlDecode(string)
(v;A'BjN 6lU|mJ`M 19.如何设定全局变量
FE6C6dW{ p":@>v? Global.asax中
)k%M.{&bji u9}!Gq Application_Start()事件中
1~EO+ :0dfB&7 添加Application[属性名] = xxx;
q%.bnF/Yd 4<yK7x 就是你的全局变量
$h]NXC6J RUc \u93n 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
RIo'X@zb 00qZw?%K HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
QZ0R :TY w{P6i<J 【ASPNETMENU】点击菜单项弹出新窗口
62NkU)u ;&`:|Hf* 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
`(T!>QVW+g <?xml version="1.0" encoding="GB2312"?>
4
m$sJ <MenuData ImagesBaseURL="images/">
SY8U"Qc;9 <MenuGroup>
R9E6uz.j <MenuItem Label="内参信息" URL="Infomation.aspx" >
`t9.xB#Z <MenuGroup ID="BBC">
b6Xi <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
FG _, <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
{9{J^@ @ ......
$O]^Xm3{@ g
2#F_ 最好将你的aspnetmenu升级到1.2版
$[w|oAwi
3se$,QmN 21.读取DataGrid控件TextBox值
H
oS|f0 foreach(DataGrid dgi in yourDataGrid.Items)
5%qH7[dx {
yI4DVu. TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
!3?~#e{_ tb.Text....
6'vi68 }
R}.3|0 1O9$W?)Q 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
,#Ln/; N.n1< 〖思归〗
H\f/n`@,G <asp:TemplateColumn HeaderText="数量">
,N;v~D$Y <ItemTemplate>
h;}ODK(. <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
}(cY| onkeyup="javascript:DoCal()"
.hgH9$\ />
U[Nosh)hu\ "<T ~jk"u <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
mCG;[4gM </ItemTemplate>
tKX}Ok:V% </asp:TemplateColumn>
s!i:0} U jB/V{Y#y9@ <asp:TemplateColumn HeaderText="单价">
y\z*p&I <ItemTemplate>
pNSst_!> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
[nC4/V+- onkeyup="javascript:DoCal()"
$&Ac5Zo%} />
+qZc}
7rJF k)Zn> <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
P_mi)@ T#Fn:6_= </ItemTemplate>
Yim#Pq&_ </asp:TemplateColumn>
"p`o]$Wv `+Xe'ey <asp:TemplateColumn HeaderText="金额">
c-|kv[\a <ItemTemplate>
DUQ9AT#3 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
*H?t;,\ </ItemTemplate>
`TkbF9N+ </asp:TemplateColumn><script language="javascript">
h\2}875 function DoCal()
p^Agh
{
fvO;lA>` var e = event.srcElement;
BZ}`4W' var row = e.parentNode.parentNode;
%-k(&T3& var txts = row.all.tags("INPUT");
O68b zi] if (!txts.length || txts.length < 3)
"TUPYFK9 return;
|C|:i@c
H a/QIJ*0 var q = txts[txts.length-3].value;
`{%-*f^ var p = txts[txts.length-2].value;
h2AGEg'g2[ 2>ys2:z if (isNaN(q) || isNaN(p))
#*\Ry/9Q return;
4u7Cm *qbRP"#[$ q = parseInt(q);
{q})kO p = parseFloat(p);
i5Eeg`NMl F],TG&>5 txts[txts.length-1].value = (q * p).toFixed(2);
_J` |<}?t; }
>
Z]P]e </script>
#*+;B93) gfxoJihE ]u~Os< W.z$a.<(rF fHLFeSfH 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。
aQxe) page_load
A}gYcc85Z page.smartNavigation=true
AVU7WU{ $m{{,&}k 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
OX`?<@6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
X1O65DMr`g {
f>p; siR) for(int i=0;i<e.Item.Cells.Count-1;i++)
Q})t<l+L if(e.Item.ItemType==ListItemType.EditType)
3g^IXm:K$ {
}WA<=9e e.Item.Cells.Attributes.Add("Width", "80px")
M\9IlV?' }
w<btv]X1 }
MkkA{p F{kG 26.对话框
rA[nUJ, private static string ScriptBegin = "<script language=\"JavaScript\">";
;B*L1'FF%t private static string ScriptEnd = "</script>";
=z+-l5Gu" JN-D/s public static void ConfirmMessageBox(string PageTarget,string Content)
N&x@_t"" {
3e#x)H/dr string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
>\Z lZ mf+K{y,L ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
`CPZPp,l6` s z;=mMr/Z Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
md.* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
}R4(B2vup //Response.Write(strScript);
m2jwqx{G }
"$# $f :O5Tr03z 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
G[ ,,L ?Ozk^#H[ 1.1 取当前年月日时分秒
i:MlD5 F currentTime=System.DateTime.Now;
lkI8{ [^h/(a` 1.2 取当前年
oZ?IR#^ int 年= DateTime.Now.Year;
qxRT1B]{Wx D7%^Ly 1.3 取当前月
yjeqv-7 int 月= DateTime.Now.Month;
I|GV
:D J11dqj 1.4 取当前日
Pw0{.W~r int 日= DateTime.Now.Day;
kt;}]O2%R s4^[3|Zrr0 1.5 取当前时
1!K!oY int 时= DateTime.Now.Hour;
HJnv'^yn '2;Ny23 1.6 取当前分
$0S.@wUG int 分= DateTime.Now.Minute;
e{c._zr, ,)0/Ec 1.7 取当前秒
cpP.7ZR
int 秒= DateTime.Now.Second;
9 |us<k ---Ks0\V 1.8 取当前毫秒
nC-c8y int 毫秒= DateTime.Now.Millisecond;
x0}<n99qE |:!EHFr 28.自定义分页代码:
FcuEeca %:yHMEG]' 先定义变量 :
;}UIj{sj* public static int pageCount; //总页面数
3(oZZz public static int curPageIndex=1; //当前页面
I8E\'`:< f'7d4 下一页:
.Y=Z!Q if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
K8e4ax {
]L5Z=.z& DataGrid1.CurrentPageIndex += 1;
AJJ%gxqGq curPageIndex+=1;
>FK)p
}
,Y78Q w*|= k~z bind(); // DataGrid1数据绑定函数
Sn{aHH n_e}>1_ 上一页:
,U} 5 if(DataGrid1.CurrentPageIndex >0)
@vVRF
Z {
oyi7YRvwd DataGrid1.CurrentPageIndex += 1;
e<ism?WG curPageIndex-=1;
Pf^Ly97 }
O=4ceEmz TWl(\<&+) bind(); // DataGrid1数据绑定函数
]%vGC^ .j'@K+<45 直接页面跳转:
Z<$E.## int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8`R +y D}k-2RM2k if(a<DataGrid1.PageCount)
'#pMEVP {
-(%ar%~Zd this.DataGrid1.CurrentPageIndex=a;
p@!@^1j= }
//`cwnjp RE(=! 8lGR bind();
f4A4 $?CBX27AV 29.DataGrid使用:
qr<-eJf UH1S_:6 添加删除确认:
&deZ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U{U:8== {
RGx]DP$5G foreach(DataGridItem di in this.DataGrid1.Items)
,6%hu|Y* {
xPn'yo if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
O?4vC5x {
[F BCz> ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
5kRwSOG%' }
~%8Q75tn. }
_k"&EW{ Ii }
qCxD{-9x{ % RBI\tj 样式交替:
O=!)})YG ListItemType itemType = e.Item.ItemType;
c"QkE* Bp=oTCG if (itemType == ListItemType.Item )
priT7! {
<?=mLOo= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
E<98ahZ?l e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^J*G%* }
o\=i0HR9 else if( itemType == ListItemType.AlternatingItem)
ib""Fv7{ {
q|Pt>4c5? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
a@V/sh e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8f6;y1!; }
R|Q_W X
GWA!Ab'<U 添加一个编号列:
mv9E{m DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
6Mf3)o2 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
J6^Ct JPoK\-9NT for(int i=0;i<dt.Rows.Count;i++)
I]WeZ,E {
*]E7}bqb dt.Rows["number"]=(i+1).ToString();
95gsv\2 }
c|!A?>O? i '%]@a7w DataGrid1.DataSource=dt;
C&CsI] @g DataGrid1.DataBind();
|)72E[lL 7gdU9c/q, DataGrid1中添加一个CheckBox,页面中添加一个全选框
KWn1 %oGJ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
&xiDG=I# {
6Qzu- foreach(DataGridItem thisitem in DataGrid1.Items)
#pm-nU%|_j {
*?R\[59 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
!=h|&Vta }
ma]F%E+$ }
~QEXB*X-g' l_j<aCY?| 将当前页面中DataGrid1显示的数据全部删除
8t*%q+Z foreach(DataGridItem thisitem in DataGrid1.Items)
5w [= {
&Lt$a_y> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Rm\']; {
0Z);.l^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
h,WY2Hr Del (strloginid); //删除函数
+GPT:\*q6 }
,;=( )- }
<@AsCiQF ,wb|?>Y 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
fj
t_9-. ^]lwd"$ 在Application_Start中添加以下代码:
,b.4uJg' Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?od}~G4s# AppSettings["ConnStr"].ToString();
UA!Gr3 j~L1~@ 31. 变量.ToString()
%[\Ft !qw=I( 字符型转换 转为字符串
~q_+;W. 12345.ToString("n"); //生成 12,345.00
@y\{<X.F\1 12345.ToString("C"); //生成 ¥12,345.00
>2Qqa;nx| 12345.ToString("e"); //生成 1.234500e+004
Dy{`">a 12345.ToString("f4"); //生成 12345.0000
(P>eWw\0 12345.ToString("x"); //生成 3039 (16进制)
o"ah\"#el 12345.ToString("p"); //生成 1,234,500.00%
~ Dp:j*H #G ,
*j 32、变量.Substring(参数1,参数2);
Pdm6u73 L..X)-D2n 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);
`2(R}zUHN D"] [&m 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)
`2mbF^-4 <SCRIPT language="javascript">
kW2nrkF <!--
K%TKQ<R| function gook(pws)
<
8 Y<w|Hh {
n-b<vEZw# frm.submit();
P7k$^n }
k@";i4}A //-->
Rn~Xu)@e ME10dr </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
yDkDtO`K <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~~:8Yv[( <tr>
97))'gC <td>
?.Yw%{?TG <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
;`PkmAg <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
,nChwEn <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
7+!7]'V Y\z\{JW <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
cV_IG}LJ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
o(>-:l i0 JTh=JHJ </td>
z vylL
M U1HD~ </tr>
C94UF7al hHl-;%# </form>
#HuA(``[d O"^a.`27 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
&P{p\ v2Y BSu)O~s 下面是获取用户输入的登陆信息的代码:
7fTg97eF string name;
HFx"fT name=Request.QueryString["EmailName"];
eW*ae;-
M7<#=pX& try
@oc%4~zl {
]vkHU6d int a=name.IndexOf("@",0,name.Length);
.f<VmUca f_user.Value=name.Substring(0,a);
fYQi#0drn f_domain.Value=name.Substring(a+1,name.Length-(a+1));
i`nw"8 f_pass.Value=Request.QueryString["Psw"];
ryp$|?ckJ }
#Xw[i +ZA\M:^b catch
6BN(^y#-X {
kbT-Oz 2 Script.Alert("错误的邮箱!");
pdha"EV Server.Transfer("index.aspx");
OUk5c$M( }