1. 打开新的窗口并传送参数:
m'r6.Hp3Ng %H~q3|z 传送参数:
2y#4rl1Utx response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
]XJpy-U ;yY>SaQ 接收参数:
mR[J Xh9s string a = Request.QueryString("id");
C$aiOK-]+ string b = Request.QueryString("id1");
nmc=RK^cM `9s5 *;Z 2.为按钮添加对话框
x<P$$G/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
E0>4Q\n{ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
8G1Tpn /^DDU!=(< 3.删除表格选定记录
P00d#6hPJ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
QSAz:Yvf| string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Bg"b,&/^u t}qoIxy) 4.删除表格记录警告
j?+FS`a! private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'+Gt+Gq+ {
!?Z}b.%W switch(e.Item.ItemType)
g/mVd;#o {
cA`R~o"
case ListItemType.Item :
-/B}XNW case ListItemType.AlternatingItem :
`;*Wt9 case ListItemType.EditItem:
5sM-E>8G^{ TableCell myTableCell;
C"<l} myTableCell = e.Item.Cells[14];
d&wg\"E LinkButton myDeleteButton ;
`T{{wty myDeleteButton = (LinkButton)myTableCell.Controls[0];
;q6:*H/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#v=hiL break;
nDkyo>t. default:
R6h(mPYA break;
@PZ&/F^ }
?Re@`f+* S@z$,}Yc`< }
H-nk\ K<| gZM\RJZ_ 5.点击表格行链接另一页
dum! AO private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&%>l9~F'~ {
C^aP)&
qt //点击表格打开
4G;+ETp if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(%oZgvM e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
&0It"17Ej }
E O52 E|
PnFU{N 双击表格连接到另一页
tU}CRh @8HTC|_vX 在itemDataBind事件中
%?<C
?. if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b~Y$!fc {
a^~T-;_V string OrderItemID =e.item.cells[1].Text;
{e/12q ...
;? '`XB! e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
#@;RJJZg }
Agl5[{]E z~L4BY @z 双击表格打开新一页
-=&r}/& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
hWJ\dwF {
%+L:Gm+^g# string OrderItemID =e.item.cells[1].Text;
T@U_;v|rf ...
7Z0
)k9* e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
)r~$N0\D }
^W eE%" ua/A &XQx ★特别注意:【?id=】 处不能为 【?id =】
U)=StpTT 6.表格超连接列传递参数
$LRvPan` <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
rqxoqc Z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
7
}4T)k(a *Y?rls ` 7.表格点击改变颜色
SuB;Nb7r` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
L}h?nWm8 {
0vbn!<: e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
R56:}<Y, this.style.color=’buttontext’;this.style.cursor=’default’;");
Uq<c+4)5 }
3Nd&*QSV vDV`!JU
写在DataGrid的_ItemDataBound里
W2O
=dG` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
H1yl88K {
M n`gd# e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Y/2@PzA| this.style.color=’buttontext’;this.style.cursor=’default’;");
[M 65T@v e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
XpJT/&4 }
F-R4S^eV "EQ`Q=8 ^GQ+,0Yy 8.关于日期格式
w=
|).qQ] '`p#%I@ 日期格式设定
T?4MFx# DataFormatString="{0:yyyy-MM-dd}"
\HF|&@}hU 1//d68*" 我觉得应该在itembound事件中
Qh<_/X? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
]dHU pUutI|mt/ 9.获取错误信息并到指定页面
VI:
!# .aV#W@iyK 不要使用Response.Redirect,而应该使用Server.Transfer
xa5^h]o 87l(a,#J e.g
8fRk8 // in global.asax
S+
gzl#r protected void Application_Error(Object sender, EventArgs e) {
Aj((tMJNOw if (Server.GetLastError() is HttpUnhandledException)
HR]*75}e Server.Transfer("MyErrorPage.aspx");
-L%tiz`_ L}5nq@Uu) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
z2*>5c% }
;*>Y8^K&Q hC2 @Gq 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
HJWk%t< *WdnP.'Y 10.清空Cookie
d|#sgGM<8 Cookie.Expires=[DateTime];
o|u<tuUW Response.Cookies("UserName").Expires = 0
r#hA kOw ;}"!| 11.自定义异常处理
RG[b+Qjn //自定义异常处理类
HjCcfOej using System;
&v9*D`7L using System.Diagnostics;
g:<2yT uflRW+-2 namespace MyAppException
;|7]%Z}% {
4UP#~ /// <summary>
ZyAm:yO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
_voU^- /// 自动将异常内容记录到Windows NT/2000的应用程序日志
0*$? =E /// </summary>
BN\Y
N public class AppException:System.ApplicationException
r0jhIE# {
[C_Dv-d public AppException()
bz$)@gLc {
JR>v if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>Z%qkU/ }
F&pJ faig ]1YyP public AppException(string message)
!| ObNS {
luLt~A3H$ LogEvent(message);
3jx5Lou)& }
1:{BC2P y?Vsp< public AppException(string message,Exception innerException)
:x*#RnRr. {
FQ6jM~ LogEvent(message);
{Ee[rAVGp if (innerException != null)
?VM4_dugf {
M{)7C,' LogEvent(innerException.Message);
)GgO=J:o }
"WPFZw:9 }
aJ;6!WFW -%I 0Q //日志记录类
4<c#3] using System;
vdS)EIt using System.Configuration;
`)Z+]5: using System.Diagnostics;
P`ZYm using System.IO;
wn$:L9"YN using System.Text;
N%2UL&w#B using System.Threading;
UpA{$@ JMT?+/Q bu namespace MyEventLog
gUrb\X {
#=MQE /// <summary>
5T[9|zJs /// 事件日志记录类,提供事件日志记录支持
O_f|R1G5z /// <remarks>
9 Byk/&$U /// 定义了4个日志记录方法 (error, warning, info, trace)
~6'6v8 /// </remarks>
I `44}oJ /// </summary>
'JEZ;9} public class ApplicationLog
+q] {
fB5Bh;K /// <summary>
]xfAdBi /// 将错误信息记录到Win2000/NT事件日志中
x8T5aS /// <param name="message">需要记录的文本信息</param>
6|#^4D)
/// </summary>
'uUp1+ public static void WriteError(String message)
<QkfvK]Q {
}>1E,3A:%G WriteLog(TraceLevel.Error, message);
l|fd, }
(,TO| K5ph x /// <summary>
"Jwz.,Y\ /// 将警告信息记录到Win2000/NT事件日志中
}I10hy~W /// <param name="message">需要记录的文本信息</param>
e=R}
4` /// </summary>
<qy+@t public static void WriteWarning(String message)
e5/_Vga {
Bf}_ Jw-= WriteLog(TraceLevel.Warning, message);
x!jhWX }
l
)4OV> K@,VR3y / /// <summary>
Iymz2 /// 将提示信息记录到Win2000/NT事件日志中
<?g{Rn /// <param name="message">需要记录的文本信息</param>
tp]|/cx4 /// </summary>
W!(Q_B public static void WriteInfo(String message)
W9D)QIqbvW {
={Hbx>p WriteLog(TraceLevel.Info, message);
dkLR
Q
}
Pn#Lymxh_a /// <summary>
`WT7w']NT /// 将跟踪信息记录到Win2000/NT事件日志中
7.t$#fzi /// <param name="message">需要记录的文本信息</param>
X , /// </summary>
y*D 8XI$ public static void WriteTrace(String message)
H:_`]X" {
AK!G#ug WriteLog(TraceLevel.Verbose, message);
:+=* }
-5[GX3h0 x9e
9$ww} /// <summary>
;:4puv+] /// 格式化记录到事件日志的文本信息格式
GND[f} /// <param name="ex">需要格式化的异常对象</param>
3:(`#YY /// <param name="catchInfo">异常信息标题字符串.</param>
7ou^wt+% /// <retvalue>
'nno)kQ" /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
V_pBM /// </retvalue>
|(<L!6 /// </summary>
Q'VS]n public static String FormatException(Exception ex, String catchInfo)
v+G:,Tc" {
ZS+2.)A StringBuilder strBuilder = new StringBuilder();
V("1\ if (catchInfo != String.Empty)
SMyg=B\x?7 {
i@*
^]' strBuilder.Append(catchInfo).Append("\r\n");
&}cie"\L }
3^Zi/r strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
EHZSM5hu return strBuilder.ToString();
=-qsz^^a- }
X3[!xMij *`#,^p`j
b /// <summary>
m
C Ge*V} /// 实际事件日志写入方法
BR2y1Hfi /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
tp<V OUa /// <param name="messageText">要记录的文本.</param>
)VT/kIq-U /// </summary>
8##jd[o&p~ private static void WriteLog(TraceLevel level, String messageText)
p2G8Qls {
Ie"R,,c try
ZAZCvN@5 {
Q-v[O4y~ EventLogEntryType LogEntryType;
MlFvDy switch (level)
N6;Z\\&0^q {
y`\Mhnj case TraceLevel.Error:
e`r;`a& LogEntryType = EventLogEntryType.Error;
cy 4'q?r break;
a"}#HvB+ case TraceLevel.Warning:
16|S 0 ) LogEntryType = EventLogEntryType.Warning;
m+vEs,W. break;
i1\2lh$ case TraceLevel.Info:
F]YKYF'1I LogEntryType = EventLogEntryType.Information;
cqx1NWlY break;
ak`)> case TraceLevel.Verbose:
M;qL)vf
LogEntryType = EventLogEntryType.SuccessAudit;
/ JB4 #i7 break;
dU6LB+A default:
"ux]kfoT LogEntryType = EventLogEntryType.SuccessAudit;
l,wN@Nk break;
de9l;zF }
x[UO1% _o- M%xL K7 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\F~Cbj+'Nu //写入事件日志
P*`xiTA eventLog.WriteEntry(messageText, LogEntryType);
p^P y, X vMG09 }
]0 RX o3 catch {} //忽略任何异常
4rG 7\ }
~aAJn IO } //class ApplicationLog
mndl~/ }
o'/C$E4W x9l0UD*+g 12.Panel 横向滚动,纵向自动扩展
bpa
O`[* <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
?VQLY=? '%C.([ 13.回车转换成Tab
e8mbEC(AK <script language="javascript" for="document" event="onkeydown">
Wx$q:$h@q if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{$YD-bqY event.keyCode=9;
PlH`(n# </script>
:gscW&k
x9"4vp onkeydown="if(event.keyCode==13) event.keyCode=9"
#Jz&9I<OKx ~49N 14.DataGrid超级连接列
!]+Z%ed`% DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
heZy
66 <3=qLm 15.DataGrid行随鼠标变色
aroVyUs3j private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:dIQV(iW {
~+ s*\~ if (e.Item.ItemType!=ListItemType.Header)
rn:zKTyhw {
V!77YFen % e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
92]ZiL?k e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
U?mf^'RE }
$KWYe{# }
bro H9VXsFTW 16.模板列
cPsn]U <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Ldhk^/+ <ITEMTEMPLATE>
AXP`,H <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
wp%FM </ITEMTEMPLATE>
1i /::4= </ASP:TEMPLATECOLUMN>
$@_t5?n``F +6hl@Fm( <ASP:TEMPLATECOLUMN headertext="选中">
R G0S <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
guOSO@ <ITEMTEMPLATE>
4s~HfxYT <ASP:CHECKBOX id="chkExport" runat="server" />
!3I(4?G, </ITEMTEMPLATE>
MuoctW <EDITITEMTEMPLATE>
/$9
:L <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
z {pC7e5 </EDITITEMTEMPLATE>
WVWS7N\ </ASP:TEMPLATECOLUMN>
juMxl O5qW*r' 后台代码
HS\3)Ooj> protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
TD{=L*{+ {
o)#q9Vk%b //改变列的选定,实现全选或全不选。
w3=)S\ CheckBox chkExport ;
z^rhgs?4 if( CheckAll.Checked)
b
H"}w$!>r {
| 7 m5P@X foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
97Zk
P=Cq {
,rZn`9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
w53z*l>ek chkExport.Checked = true;
'<%Nw-
}
B:?#l=FL }
X
a"XB else
CZJHE> {
>+:r ' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Nmp>UE,7[ {
_{e&@d chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]yAEjn9cN chkExport.Checked = false;
$ZI~ 8rI~ }
w%3Fg~Up }
hdd>&?p3 }
OL=ET)Y Z
7s;F}= 17.数字格式化
AanH{ gX@nPZjg 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
B2~f;zy` <%#Container.DataItem("price","{0:¥#,##0.00}")%>
XogvtK* d"H<e}D int i=123456;
*o02!EYge string s=i.ToString("###,###.00");
^\M
dl :1aL9 fT 18.日期格式化
f?%qUD_# rI0)F 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
>ik1]!j]Lv (8CCesy& 显示为: 2004-8-11 19:44:28
3`58ah Ia=_78MgZ 我只想要:2004-8-11 】
i2$*}Cu <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>P<z |8 S d IGU[fm 应该如何改?
QXdaMc+Ck M^z=1YrMd 【格式化日期】
0iYP u3 ]Uxy 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Z^s+vi 6nh]* / 【日期的验证表达式】
LeY+p]n~ NEA_Plt A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
CN7k?JO< ^((\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})))?$
jCzGus!rM @l'G[jN5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
I> {!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]))$
[UM Lx 6sPk:5 【大小写转换】
>;)2NrJV HttpUtility.HtmlEncode(string);
<EtUnj:qK8 HttpUtility.HtmlDecode(string)
[s~JceUyX BI};"y 19.如何设定全局变量
&K>cW$h=a "K ,bH Global.asax中
ejVdxVr \7 8O6_iGTBh Application_Start()事件中
7i8eg*Gl SSE3tcRRl 添加Application[属性名] = xxx;
BRb\V42i; n@
4@, 就是你的全局变量
5G#$c'A{4 /}Yqf`CZy 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
M#xQW`-` L\YKdUL HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
e8,{|a )\wuesAO 【ASPNETMENU】点击菜单项弹出新窗口
7rcA[)<' i'HPRY 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
OUzR@$ <?xml version="1.0" encoding="GB2312"?>
f ba&` <MenuData ImagesBaseURL="images/">
pz7H To;p <MenuGroup>
`FZF2.N <MenuItem Label="内参信息" URL="Infomation.aspx" >
QdDObqVdy <MenuGroup ID="BBC">
`?|Rc <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
} B0sC%cm <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
d ;^ ......
XA)'=L!^ .k@^KY 最好将你的aspnetmenu升级到1.2版
2ev*CX6. #{$1z;i?f 21.读取DataGrid控件TextBox值
&vkjmiAS foreach(DataGrid dgi in yourDataGrid.Items)
t0Zk-/s {
]tB@kBi " TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
:"<e0wDu[ tb.Text....
H_w%'v & }
s\gp5MT S/4r\6 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
"_< 9PM1t byGn,m 〖思归〗
<sX VW <asp:TemplateColumn HeaderText="数量">
NvJV</l6A <ItemTemplate>
2.-o@im0 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T#EFXHPr onkeyup="javascript:DoCal()"
(}smW_`5 />
l%~lz[ :et#0! <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
c~imE% </ItemTemplate>
ez\eOH6 </asp:TemplateColumn>
c.%.\al8oW WC*=rWRxF <asp:TemplateColumn HeaderText="单价">
Bz /@c) <ItemTemplate>
1J{fXh <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*k [J6 onkeyup="javascript:DoCal()"
gL3iw!7 />
Y$<D9fs3 dNiH|-$an <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
vXv;1T 3mO;JXd </ItemTemplate>
'<dgT&8C </asp:TemplateColumn>
XNehPZYS ]<XR]FHx) <asp:TemplateColumn HeaderText="金额">
6C [E <ItemTemplate>
Sk}{E@ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
"m$3)7 $ </ItemTemplate>
CnISe^h </asp:TemplateColumn><script language="javascript">
Z?5V4F:f function DoCal()
457\& {
G<|8?6bq# var e = event.srcElement;
Om;&_!i var row = e.parentNode.parentNode;
|yEa5rd?W var txts = row.all.tags("INPUT");
Uu 8,@W+ if (!txts.length || txts.length < 3)
~*A8+@\R return;
@a:>$t pi<TFe@eG var q = txts[txts.length-3].value;
j)C,%Ol var p = txts[txts.length-2].value;
Qv,"($n\ %h?x!,q
Y if (isNaN(q) || isNaN(p))
,I1RV return;
9RN-suE[ J &pO%Q=b q = parseInt(q);
Ms~{9? p = parseFloat(p);
CHrFM@CM $6OkIP. txts[txts.length-1].value = (q * p).toFixed(2);
26&'X+n& }
if|+EN% </script>
%LVm3e9 MjlP+; ! V=:'SL*3| W`\R%>$H h$4Hw+Yxs] 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
S;$-''o?9 page_load
MrZh09y page.smartNavigation=true
vnWWneeNr [0"'T[ok 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 ?
.pvi!NnL- private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
K+;e4_\ {
r E}%KsZ for(int i=0;i<e.Item.Cells.Count-1;i++)
\,u_7y2 c if(e.Item.ItemType==ListItemType.EditType)
O8B\{T1 {
IiY/(N+J e.Item.Cells.Attributes.Add("Width", "80px")
C:PMewn }
{
^cV lC_ }
>}+/{(K"E| zIh['^3.n 26.对话框
/YZr~|65 private static string ScriptBegin = "<script language=\"JavaScript\">";
-$\+'
\ private static string ScriptEnd = "</script>";
=EHUR' E[/\7v\ public static void ConfirmMessageBox(string PageTarget,string Content)
;kY(<{ 2 {
e" St_z( string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
SHe49!RA'{ 9I6a"PGDb ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
:]\([Q+a a!=D [Gz*5 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
< 1uZa ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,6-:VIHQ //Response.Write(strScript);
7S}_F^ }
`$ 6rz '.:z&gSqx0 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
7pe\M/kl <
jJ 1.1 取当前年月日时分秒
Xu%'Z".>: currentTime=System.DateTime.Now;
<sBbT` G3Z)Z)N 1.2 取当前年
RW<D<5C int 年= DateTime.Now.Year;
)h7<?@wv& &litXIvT> 1.3 取当前月
?l9XAWt\ int 月= DateTime.Now.Month;
hb}+A=A=+ \W~N 1.4 取当前日
1q7|OWFT int 日= DateTime.Now.Day;
.+$Q<L Q+[n91ey** 1.5 取当前时
,Q int 时= DateTime.Now.Hour;
~E17L]ete nLXlU*ES 1.6 取当前分
JMC. w! int 分= DateTime.Now.Minute;
'=b/6@& HiZ*+T.B 1.7 取当前秒
IxY|>5z int 秒= DateTime.Now.Second;
y
[}.yyye 8A##\j) 1.8 取当前毫秒
l9{hq/V int 毫秒= DateTime.Now.Millisecond;
z&zP)>Pv "~sW"n(F_ 28.自定义分页代码:
>qnko9 V 5?{r 先定义变量 :
s6 uG`F" public static int pageCount; //总页面数
]cHgleHQ public static int curPageIndex=1; //当前页面
?9
<:QE;I> ^aItoJq 下一页:
hOjk3
k if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
75T%g!c# {
wr$("A( DataGrid1.CurrentPageIndex += 1;
M\uiq38 curPageIndex+=1;
J,'M4O\S }
C0T;![/4A "g5^_UP bind(); // DataGrid1数据绑定函数
\ 2M_\Q`NY R@1 xt@? 上一页:
D+l AhEN if(DataGrid1.CurrentPageIndex >0)
<sb~ ^B {
"q3ZWNS'w DataGrid1.CurrentPageIndex += 1;
u-QB.iQ+s curPageIndex-=1;
<}C
oQz }
D+TD 95t Ri<u/ ]oR" bind(); // DataGrid1数据绑定函数
KLST\Ln: YL!P0o13r 直接页面跳转:
Ytn9B}%o int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
NVkV7y X] ~[t[y~Hup if(a<DataGrid1.PageCount)
bV^rsJm {
=9H7N]*h this.DataGrid1.CurrentPageIndex=a;
5AFJC? }
T$8)u'-pa ROH|PKb7 bind();
!z\h|wU+ ">\?&0 29.DataGrid使用:
T^zXt? L^1NY3=$ 添加删除确认:
P\E<9*V private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
LQ@"Xe]5 {
0_jf/an,% foreach(DataGridItem di in this.DataGrid1.Items)
[:7'?$ {
A7%)~z< if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
0Um2DjTCG {
7y.kQI?3 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
VF+KR* }
tR#OjkvX }
34f?6K1c }
#$.;'#u'so 4S7v:1~xe 样式交替:
H%[eV8 ListItemType itemType = e.Item.ItemType;
lt/1f{v[: 6,pnw if (itemType == ListItemType.Item )
!Z1@}`V&; {
8=!D$t\3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
u^&^UxCA e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]a>n:p]e }
lqy Qf$t else if( itemType == ListItemType.AlternatingItem)
T~-ycVc {
%U/(|wodd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
F/]2G^- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
|NlO7aQ>2H }
91/Q9xY &1Ok`_plO 添加一个编号列:
."g`3tVK DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
aHD]k8m z DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
%mW{n8W3{ )Om*@;r( for(int i=0;i<dt.Rows.Count;i++)
rm7ANMB: {
IYv`IS" dt.Rows["number"]=(i+1).ToString();
7P} W
* }
?d* z8w /l3V3B7 DataGrid1.DataSource=dt;
`>o{P/HN DataGrid1.DataBind();
a
.#)G[* Zpt\p7WQ DataGrid1中添加一个CheckBox,页面中添加一个全选框
6bg
;q(*7 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
b1I]>\ {
!aUs>1i foreach(DataGridItem thisitem in DataGrid1.Items)
PI {bmZ {
!|(-=2` ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
yxPazz }
}J}-//[A }
$c!p& j^*dmX 将当前页面中DataGrid1显示的数据全部删除
\
#F foreach(DataGridItem thisitem in DataGrid1.Items)
-_g0C^:<, {
"nynl'Ryk if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
#\{l"- {
'ms-*c&
string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
VD*6g%p Del (strloginid); //删除函数
yX>K/68 }
yZY \MB/ }
]h`&&B qt |d2SIyUc 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)
j^sg6.Z* J3V=
46Yc 在Application_Start中添加以下代码:
q>_.[+6 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
l\H=m3Bg AppSettings["ConnStr"].ToString();
6GlJ>r+n mthA4sz 31. 变量.ToString()
-m zIT4 ZDJ`qJ8V 字符型转换 转为字符串
#lo6c;*m5 12345.ToString("n"); //生成 12,345.00
QE+g
j8 12345.ToString("C"); //生成 ¥12,345.00
&J]K3w1p 12345.ToString("e"); //生成 1.234500e+004
#P9~}JB3, 12345.ToString("f4"); //生成 12345.0000
1t~G|zhX 12345.ToString("x"); //生成 3039 (16进制)
HVCe;eI 12345.ToString("p"); //生成 1,234,500.00%
yPBZc h %- )AtD}HEv 32、变量.Substring(参数1,参数2);
W+c<2?d: 9rX&uP)j^# 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);
e2Pcm_Ahv* x8B}ZIbT9 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)
3pROf#M <SCRIPT language="javascript">
xIW3={b 3 <!--
8FK/~,I function gook(pws)
BwEN~2u6 {
2 a)xTA# frm.submit();
PdFKs+Z` }
gs[uD5oo< //-->
?=7cF s c,Hq\$& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
\:'/'^=#| <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
M/'sl; <tr>
B]wk+8SMY. <td>
2wg5#i <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
8'[7
)I= <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
ZU4nc3__ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Fyx|z'4b .G.0WR/2 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
%(#y5yJ ] <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
bo>*fNqAIy T*Exs|N2P- </td>
HZB>{O D/xbF` </tr>
=:Fc;n>c<K N)| yu1S </form>
kZ
.gO Lx1FpHo 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。
}OR@~V{Gj "Yv_B3p 下面是获取用户输入的登陆信息的代码:
iC32nY? string name;
wk D^r(hiH name=Request.QueryString["EmailName"];
bHYy }weZ NO>w+-dGS try
(zYtNLoFx {
bdrg(d6 int a=name.IndexOf("@",0,name.Length);
K(rWNO f_user.Value=name.Substring(0,a);
Oc#syfO f_domain.Value=name.Substring(a+1,name.Length-(a+1));
=`F(B f_pass.Value=Request.QueryString["Psw"];
&X ):4 }
'Cfl*iNb . B9iLI catch
qp}Cqi {
*b}HNX| Script.Alert("错误的邮箱!");
) 1f~ dR88 Server.Transfer("index.aspx");
J.b9F:&} }