1. 打开新的窗口并传送参数:
?YykCJJ ~@ meD (ja 传送参数:
>U/g*[> response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Y-{BY5E. $NRb' 接收参数:
q,&T$Tw string a = Request.QueryString("id");
j]D = \ string b = Request.QueryString("id1");
ck+rOGv7{Z O;sQPG,v 2.为按钮添加对话框
i)3\jO0&GU Button1.Attributes.Add("onclick","return confirm(’确认?’)");
sZDJ+ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
E-iBA (H <BA&S
_=4 3.删除表格选定记录
"uC*B4` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
K7VG\Ec string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
V gk,+l!4 Z!eq / 4.删除表格记录警告
w8ld*z private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
=Q/>g6 {
I*2rS_i[T switch(e.Item.ItemType)
#L$ I%L" {
xB+H7Ya case ListItemType.Item :
[wG%@0\ case ListItemType.AlternatingItem :
XOU$3+8q5 case ListItemType.EditItem:
]w_)Spo. TableCell myTableCell;
c/U6K
yiK myTableCell = e.Item.Cells[14];
@v=q,A8_ LinkButton myDeleteButton ;
=1[g`b myDeleteButton = (LinkButton)myTableCell.Controls[0];
VrxH6 Y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
BAHx7x#( break;
~mU_`o default:
kR(=VM JU break;
2f4c;YS }
lHqx}n@e 74(J7 }
1iDo$]TEK =7,UqMl_ 5.点击表格行链接另一页
"6QMa,)D private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1U7HS2 {
*)I1gR~ //点击表格打开
3~la/$?p0 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b15qy? `y e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
j #YFwX4. }
f|0QN#$ NvZ?e 双击表格连接到另一页
=fo/+m5 ii9/ UtIQ 在itemDataBind事件中
,+9r/}K]/ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W9'jzP {
uJ[Vv4N%9 string OrderItemID =e.item.cells[1].Text;
G'f"w5%qZv ...
<DS6-y e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
N2e<Y_T }
]S geZ07 @~3c;9LkY 双击表格打开新一页
3wl>a#f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
i@L2W>{P {
=rF8[Q0K string OrderItemID =e.item.cells[1].Text;
[+z:^a1?V ...
3kY4V*9@- e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Bdepvc}[# }
%'z3es0 ):
C4}&l ★特别注意:【?id=】 处不能为 【?id =】
q+~CA[H5K 6.表格超连接列传递参数
o+TZUMm <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
,eCXT=6 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
K67 ?
d S I5QdX 7.表格点击改变颜色
Bx4GFCdifC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^i\1c-/ {
09s}@C e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
I1 O?)x~ this.style.color=’buttontext’;this.style.cursor=’default’;");
V0i$"|F+E }
wP"|$HN p ]=;t" 写在DataGrid的_ItemDataBound里
w}q"y+=Z: if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
=:eE! {
caht4N{T e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
GYxI$y0: this.style.color=’buttontext’;this.style.cursor=’default’;");
=)8fE*[s e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
l.l~K%P'h }
/|AuI qW 'qE J7o?h9 8.关于日期格式
Xs@ ^D, |0p'p$% 日期格式设定
cyg>hX{U DataFormatString="{0:yyyy-MM-dd}"
yTiqG5r g1, 我觉得应该在itembound事件中
)n@ 3@NV e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
q(^J7M) 2"mj=}y6 9.获取错误信息并到指定页面
Ms)zEy>[Ql F9r*ZyNlx 不要使用Response.Redirect,而应该使用Server.Transfer
vy2aNUmt \-w s[ e.g
V.:A'!$# // in global.asax
Dj"=kL0 protected void Application_Error(Object sender, EventArgs e) {
IxBO$2 if (Server.GetLastError() is HttpUnhandledException)
n4y6Ua9m{ Server.Transfer("MyErrorPage.aspx");
4'&BpFDUb ><c5Humr //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
HH@xnd }
}*
JMc+!9@ a=VT|CX[ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
0u2uYiE-l yVzg<%CR^ 10.清空Cookie
hATy3*4 Cookie.Expires=[DateTime];
|LH*)GrD*t Response.Cookies("UserName").Expires = 0
k|'Mh0G0 caD;V( 11.自定义异常处理
pUG fm //自定义异常处理类
P@`"MNS using System;
*?Ef}:] using System.Diagnostics;
NI:N
W-! ^I?y\:. namespace MyAppException
L-{r*ccIW {
rF3]AW( /// <summary>
#)}bUNc' /// 从系统异常类ApplicationException继承的应用程序异常处理类。
t'x:fO?cp /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{][7N p!y /// </summary>
-$z " 74 public class AppException:System.ApplicationException
\zL7j4 {
(`?
snMc public AppException()
@$K q<P {
o{W]mr3D if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
,s&~U<Z }
ODA#vAc! @ibPL+~-_ public AppException(string message)
?Zp!AV {
[{LnE: LogEvent(message);
{
BL1j }
IkNt!
2s_ uA`PZ| public AppException(string message,Exception innerException)
N2s%p6RMPD {
6'!{0 5=m LogEvent(message);
R9G)X] if (innerException != null)
9yw/-nA {
=c^=Yvc7U LogEvent(innerException.Message);
WVK-dBU }
chzR4"WZFt }
D-:<]D: [=3tAPpzK //日志记录类
pF+wHMhUe using System;
w*}yw"gP*0 using System.Configuration;
[iy;}5XK using System.Diagnostics;
ATp 6- using System.IO;
4 xzJql using System.Text;
-8 =u{n using System.Threading;
[c[MQA0 |ZlT>u namespace MyEventLog
166c\QO {
]pTw]SK /// <summary>
.ASwX /// 事件日志记录类,提供事件日志记录支持
'?3z6% /// <remarks>
ptni'W3 /// 定义了4个日志记录方法 (error, warning, info, trace)
Z1&GtM /// </remarks>
aW-o=l@; /// </summary>
kS#DKo public class ApplicationLog
C_ZD<UPA\ {
H-KwkH`L4 /// <summary>
,Ysl$^\ /// 将错误信息记录到Win2000/NT事件日志中
,T*_mDVY /// <param name="message">需要记录的文本信息</param>
L^{;jgd&T9 /// </summary>
$_zkq@ public static void WriteError(String message)
mKQST ]5 {
fB,1s}3Hn WriteLog(TraceLevel.Error, message);
:_,]?n }
"u8o?8+q~ HmB[oH"x /// <summary>
*@n3>$ /// 将警告信息记录到Win2000/NT事件日志中
|$?Ux,(6 /// <param name="message">需要记录的文本信息</param>
\(U" _NPp /// </summary>
T_tDpq_| public static void WriteWarning(String message)
'EET3RK-S {
PeUd WriteLog(TraceLevel.Warning, message);
39aCwhh7v }
C2=iZ`Z>T /uXRZ /// <summary>
[^}>AC*im /// 将提示信息记录到Win2000/NT事件日志中
<*Kh=v /// <param name="message">需要记录的文本信息</param>
mQ60@_"Y=, /// </summary>
K#f`_SCW public static void WriteInfo(String message)
X>Xp&o {
QXxLe* WriteLog(TraceLevel.Info, message);
K M\+ }
x D=qU /// <summary>
3 [)s;e /// 将跟踪信息记录到Win2000/NT事件日志中
_Z66[T+M /// <param name="message">需要记录的文本信息</param>
jw(>@SXz /// </summary>
26#Jhb E+ public static void WriteTrace(String message)
ngY+Ym {
&*]{"^ WriteLog(TraceLevel.Verbose, message);
?}3PJVy? }
m{$tO;c/Q %3c| /// <summary>
:&0yf;>v /// 格式化记录到事件日志的文本信息格式
:{i$2\DH6 /// <param name="ex">需要格式化的异常对象</param>
eMl]td rI /// <param name="catchInfo">异常信息标题字符串.</param>
^c0$pqZ}r /// <retvalue>
L+~YCat|$U /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
cv*Q]F1% /// </retvalue>
jFNs=D&( /// </summary>
Q^MXiEO+ public static String FormatException(Exception ex, String catchInfo)
"^
6lvZP( {
&e]]F# StringBuilder strBuilder = new StringBuilder();
Ce5w0&VlS if (catchInfo != String.Empty)
]O7.ss/2 {
Ns!3- Y strBuilder.Append(catchInfo).Append("\r\n");
qM1)3.)[: }
V)1:LLRW strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
zdjM%l); return strBuilder.ToString();
{~p7*j^0 }
*)`kx :m++ iR /// <summary>
!(]dz~sM /// 实际事件日志写入方法
g#'fd/?Q /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
x*R8^BA]pR /// <param name="messageText">要记录的文本.</param>
UrhM)h?% /// </summary>
BU]WN7]D$ private static void WriteLog(TraceLevel level, String messageText)
L;--d`[ {
}6CXJ+-UR try
N;x<| %peL {
i2FD1*=/? EventLogEntryType LogEntryType;
q1TW?\pjb: switch (level)
P"bknXL {
.mT#%ex case TraceLevel.Error:
txml*/zL LogEntryType = EventLogEntryType.Error;
\>Ga-gv6/ break;
5@UC c case TraceLevel.Warning:
uh5Pn#da^ LogEntryType = EventLogEntryType.Warning;
Cl t5 break;
,jbGM&.C case TraceLevel.Info:
Wm$`ae
LogEntryType = EventLogEntryType.Information;
6@?aVM~ break;
ovDJ{3L6O case TraceLevel.Verbose:
t8DL9RW' LogEntryType = EventLogEntryType.SuccessAudit;
2 ]V>J break;
LmXF`Y$ default:
aVQSN LogEntryType = EventLogEntryType.SuccessAudit;
xI@$aTGq break;
A{aw<
P|+ }
GDHK.?GY YA"Ti9-EV EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
]|,q|c , //写入事件日志
5PGlR!^ eventLog.WriteEntry(messageText, LogEntryType);
Q&Z4r9+Z b.R!2]T]i^ }
-Wlp=#9 catch {} //忽略任何异常
wc7mJxJxA }
#*Yi4Cn< } //class ApplicationLog
Y^f94s:2S }
$!|8g`Tm jD ' 12.Panel 横向滚动,纵向自动扩展
kqKj7L <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\LdmGv@& x)ddRq
l 13.回车转换成Tab
|*tWF!
D6` <script language="javascript" for="document" event="onkeydown">
IpWy)B>Fl3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
$hjP}- oUX event.keyCode=9;
M&qh]v gC </script>
'dIX=/RZ ;-KAUgL2 onkeydown="if(event.keyCode==13) event.keyCode=9"
>d8x<|D PPoI>J 14.DataGrid超级连接列
G$;]
?g DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
M5GY>3P$c t."g\; 15.DataGrid行随鼠标变色
#`jE%ONC private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9Fy\t{ks {
""1#bs{n if (e.Item.ItemType!=ListItemType.Header)
-?< Ww{ {
hWD ! e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
7?=43bZl e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
U1,~bO9 }
hrs#ZZ:E }
m~)Fr8Wh6 M.ZEqV+k 16.模板列
jWH{;V&ZV <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
f^W[;w <ITEMTEMPLATE>
mje<d"bW <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
jM5_8nS&d </ITEMTEMPLATE>
=\~E n5 </ASP:TEMPLATECOLUMN>
@br@[RpB ?HrK\f3wWO <ASP:TEMPLATECOLUMN headertext="选中">
lLuID <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
{$EH@$./ <ITEMTEMPLATE>
hLb;5u&!kW <ASP:CHECKBOX id="chkExport" runat="server" />
R K"&l!o </ITEMTEMPLATE>
};&HhBc!g <EDITITEMTEMPLATE>
kOs(?= <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Qq#Ff\|4u( </EDITITEMTEMPLATE>
J\het2?\ </ASP:TEMPLATECOLUMN>
^FP}
qW~;9 ZCy`2Fir 后台代码
3@^MvoC protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
+kjzn]}f {
]g{hhP3> //改变列的选定,实现全选或全不选。
fCgBH~w,9 CheckBox chkExport ;
eeuZUf+~] if( CheckAll.Checked)
[Q4_WKI0T {
Q)09]hP[Xj foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
C=fsJ=a5; {
Z?m
-&% chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ipG5l chkExport.Checked = true;
x|]\1sb" }
?h/xAl }
e8$l0gzaD else
drW~)6Lr@ {
K K?Zm_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9mam ~)_ | {
exfmq chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
i 3m3zXt chkExport.Checked = false;
gRBSt
M&hU }
gks ==|s. }
bf& }8I$ }
_p\629` &!ED# gs 17.数字格式化
?2{bKIV_ _|N}4a 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0y)}.' <%#Container.DataItem("price","{0:¥#,##0.00}")%>
o4$Ott%Wm gfi
AK% int i=123456;
KX!i\NHz string s=i.ToString("###,###.00");
R)ERxz# w{pUUo:< 18.日期格式化
<lUOJV{&\ _`H.h6h 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
K&*iw` <"W?<VjO 显示为: 2004-8-11 19:44:28
[+;qWfs B {@?G 9UypA 我只想要:2004-8-11 】
Ck: 9gn <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Rj^7#,993 t)` p@]j 应该如何改?
:z]}ZZ ?AEd(_a!q 【格式化日期】
j`O7=- c! @F 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
zbNA\.y dm6~ 【日期的验证表达式】
eqq`TT#Z *l{yW"Su A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
g?B3!,!9 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
MU'@2c zF8'i=b& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$(ewk): ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
D3`}4 A x[QZ@rGIW 【大小写转换】
9M_(He
- HttpUtility.HtmlEncode(string);
Z`Pd2VRp HttpUtility.HtmlDecode(string)
6SVqRD<`
6xoq;=o 19.如何设定全局变量
'n0 .#E_ d6`OXTD Global.asax中
3\AM=` .e@> Application_Start()事件中
LOr|k8tL%
B$^7h! 添加Application[属性名] = xxx;
R[LsE^ )t:7_M3 就是你的全局变量
sc W'AJJq _d@=nK) 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Bn?:w\%Ue YzAFC11, HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Po(]rQbE 9GgA 6# 【ASPNETMENU】点击菜单项弹出新窗口
q_ %cbAcD $+cAg> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
lv]quloT <?xml version="1.0" encoding="GB2312"?>
f6!D L< <MenuData ImagesBaseURL="images/">
6 {}JbRNf <MenuGroup>
MxOD8TDF4 <MenuItem Label="内参信息" URL="Infomation.aspx" >
2| B[tt1Z <MenuGroup ID="BBC">
>E:<E'L <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
,Ol ( piR <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
\hlR]m!C ......
/-4$7qd oE?QnH3R 最好将你的aspnetmenu升级到1.2版
3xNMPm Q$ri=uB;+ 21.读取DataGrid控件TextBox值
>`'O7.R foreach(DataGrid dgi in yourDataGrid.Items)
e}0:"R%E {
>xu[q\:" TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
a{SBCy tb.Text....
B&Y_2)v }
2 -Xdoxw wvMW| 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?
-h#mn2U~3r N
j4IQ<OV 〖思归〗
,Q/Ac{C <asp:TemplateColumn HeaderText="数量">
W2Luz;(U <ItemTemplate>
:B|Dr
v <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Lq (ZcEKo onkeyup="javascript:DoCal()"
LZ U$ />
|E@djosyC Xl_Uz8Hp <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
rR,2UZR </ItemTemplate>
TeQNFo^_8 </asp:TemplateColumn>
6Pn8f >u0w.3r# <asp:TemplateColumn HeaderText="单价">
4v'A\~ZU <ItemTemplate>
%O%=rUD <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
\}_Yd8 onkeyup="javascript:DoCal()"
s
'?G H />
.>pgU{C`! uj|BQ`k <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
~u87H? [zkikZy </ItemTemplate>
o.-C|IXG </asp:TemplateColumn>
|J0Q,F]T k(%QIJH <asp:TemplateColumn HeaderText="金额">
q
o 1lj"P <ItemTemplate>
HKO739&n} <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
!@A#=(4R4 </ItemTemplate>
fP HLXg5s </asp:TemplateColumn><script language="javascript">
%ZP+zhn} function DoCal()
QHt4",Ij {
`^9(Ot $ var e = event.srcElement;
ILwn&[A0 var row = e.parentNode.parentNode;
otJ!UfpR8 var txts = row.all.tags("INPUT");
($nrqAv4 if (!txts.length || txts.length < 3)
~8T(>!hE1h return;
,8MLoZ_ BZv+H=b var q = txts[txts.length-3].value;
v"^~&q0x var p = txts[txts.length-2].value;
oU6y4yO "
=]
-%B if (isNaN(q) || isNaN(p))
a`(a)9i return;
LjB;;&VCn m~hoE8C$ q = parseInt(q);
sZ<9A Xk-E p = parseFloat(p);
sj?3M@l95W .lgPFr6X txts[txts.length-1].value = (q * p).toFixed(2);
9#d+RT }
Rli:x </script>
;Xvp6.: Gfp1mev LPYbHo3fq ;a{ :%t W5L iXM 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。
L6Wt3U`l page_load
VdSv page.smartNavigation=true
`(6r3f~XJ G rmzkNlN 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 ?
kql0J|P? private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
YXurYwV {
E m
6Qe for(int i=0;i<e.Item.Cells.Count-1;i++)
`+:.L>5([ if(e.Item.ItemType==ListItemType.EditType)
!HeSOzN {
^u}L;`L e.Item.Cells.Attributes.Add("Width", "80px")
7R#+Le) }
_p-t<ytnh }
jOpcV|2 9+s.w25R 26.对话框
D?yG+%&9 private static string ScriptBegin = "<script language=\"JavaScript\">";
|t
iUej private static string ScriptEnd = "</script>";
&N~ZI*^ UO*Ymj
1 public static void ConfirmMessageBox(string PageTarget,string Content)
[%Bf<
J< {
:j')E`#
string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&!aAO(g
}]n$ %g( ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
+Q=1AXe `LAR@a5i Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
mkh"Kb*{ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Ch$*Gm19Z //Response.Write(strScript);
jcNT<}k
C }
Uy
? ;w|b0V6 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
]lw|pvtd AcI,N~~ 1.1 取当前年月日时分秒
VvFC -r,=G currentTime=System.DateTime.Now;
{!|}=45Z DrnJ;Hi" 1.2 取当前年
m-^8W[r+_ int 年= DateTime.Now.Year;
Y)N-V
]5L o&AM2U/? 1.3 取当前月
ac kqH+' int 月= DateTime.Now.Month;
P`s -/{4Jf Wf 1.4 取当前日
x3qW0K8 int 日= DateTime.Now.Day;
pj4!:{.; \Y6WSj?E 1.5 取当前时
bY}eUL2i4 int 时= DateTime.Now.Hour;
'XY`(3q [.RO'>2z 1.6 取当前分
)o-Q!<*1 int 分= DateTime.Now.Minute;
t#%R
q '>$]{vQ3 1.7 取当前秒
E0%~!b int 秒= DateTime.Now.Second;
s&\I=J. B+^(ktZp@ 1.8 取当前毫秒
\AL
f$88>@ int 毫秒= DateTime.Now.Millisecond;
h~{aGo N]KxAttt 28.自定义分页代码:
OGl$W>w1 yaq'Lt` 先定义变量 :
A)%A!
public static int pageCount; //总页面数
[,2|Flf
e public static int curPageIndex=1; //当前页面
{ hln?' AU-n&uX 下一页:
"qc6=:y} if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
.9md~j:o^s {
yQ#:J9HMJ DataGrid1.CurrentPageIndex += 1;
={LMdC~5X curPageIndex+=1;
>.dWjb6t }
s"Pf+aTW K'K2X-E bind(); // DataGrid1数据绑定函数
6[ OzU2nB 3~nnCR[R 上一页:
Fu&EhGm6 if(DataGrid1.CurrentPageIndex >0)
L\y;LSTU {
6#IU* DataGrid1.CurrentPageIndex += 1;
/axIIfx- curPageIndex-=1;
ui (^k $ }
0b4R %Y!Yvw^&P( bind(); // DataGrid1数据绑定函数
/dv<qp el:9 wq 直接页面跳转:
5@^ dgq int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
,+~rd4a \P1S|ufv if(a<DataGrid1.PageCount)
K&8dA0i2u2 {
CHV*vU<N this.DataGrid1.CurrentPageIndex=a;
kcb.Wz~= }
JyR/1 W
sKlDu bind();
p~*UpU8u 71vkyn@" 29.DataGrid使用:
-V: "l t3dlS`O 添加删除确认:
Bz5-ITX
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$Y5)( {
Gs3LB/8? foreach(DataGridItem di in this.DataGrid1.Items)
#v<QbA {
MwmUgN"g if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
6252N]* {
wn)JXR ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
;j4?>3 }
kWdi595 }
IpP~Uz }
Ug&,Y/tFw2 SJIOI@\b 样式交替:
L[=a/|)TBV ListItemType itemType = e.Item.ItemType;
5Hcf;P7 #!)n
{h+ if (itemType == ListItemType.Item )
-!c"k}N= {
u%.$BD Hg e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
0{#8',*}m? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ezPz<iZ\N }
v%fu else if( itemType == ListItemType.AlternatingItem)
$V1;la! {
K~22\G` e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
=zyC-;r! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5Kkdo!z }
V*W;OiE_3 8P=o4lO+ 添加一个编号列:
C`5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
OK\A</8r DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
w:
>5=mfk Y[L-7^o@y for(int i=0;i<dt.Rows.Count;i++)
<n(*Xak{a {
/~^rr
f dt.Rows["number"]=(i+1).ToString();
Yot?=T};3{ }
D$T%\
P e^O(e DataGrid1.DataSource=dt;
kYLM&&h DataGrid1.DataBind();
8>7&E- /PLn+- DataGrid1中添加一个CheckBox,页面中添加一个全选框
#lkM=lY' private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
(&!NC[n, {
4._(| foreach(DataGridItem thisitem in DataGrid1.Items)
J_FNAdQt {
up'Tit ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
);FJx~b }
lGVEpCS} }
_)\c&.p]f s>^dxF!+ 将当前页面中DataGrid1显示的数据全部删除
e[8LmuIZ foreach(DataGridItem thisitem in DataGrid1.Items)
u?9" jX {
!%c'$f/ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
.-<k>9S7_ {
{#{DH?=^)u string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
*V+j%^91} Del (strloginid); //删除函数
mW:!M!kk }
W8]lBh5~: }
zD<or&6 G_SG 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
DZ_lW AZmb!}m+d 在Application_Start中添加以下代码:
435;Vns\n Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
9ksE>[7 AppSettings["ConnStr"].ToString();
Y*!qG 2z|*xS'G 31. 变量.ToString()
&o<F7U'R /r=tI)'$ 字符型转换 转为字符串
~{Mn{ 12345.ToString("n"); //生成 12,345.00
KG=h& 12345.ToString("C"); //生成 ¥12,345.00
/RMPS.
d
{ 12345.ToString("e"); //生成 1.234500e+004
`(3/$% 12345.ToString("f4"); //生成 12345.0000
`P9XqWr 12345.ToString("x"); //生成 3039 (16进制)
K3=3~uY 12345.ToString("p"); //生成 1,234,500.00%
6qp%$>$Vt; [/X4"D-uOK 32、变量.Substring(参数1,参数2);
ldp%{"ZZ ,dx3zBI 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
PK"c4>q w08?DD]CDt 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
C[%OkPR,H <SCRIPT language="javascript">
V<j.xd7 <!--
#H0dZ.$b0 function gook(pws)
65Cg]Dt71 {
Yboiwy,n frm.submit();
PP!SK2u"L }
t1%_DPD%W //-->
qs QNjt +Xemf? </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
OD5m9XS <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
DS'n <tr>
APO>y <td>
&0`)
Q <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
{>F7CT'G6 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
^g`&7tX <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
+gLPhX:` ? 8LXP <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4vwTs*eB` <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Rb{U+/gq X#e1KZ </td>
MzL1Bh!M Cm\6tD </tr>
1u6^z _-#'j2 </form>
ka3u&3" vo#UtN:q 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。
+mp@b942* <-u8~N@43W 下面是获取用户输入的登陆信息的代码:
X0n~-m"m string name;
QI3Nc8t_2 name=Request.QueryString["EmailName"];
9J?wO9rI iURk=*Z= try
Ck!VV2U# {
+*hm-lv? int a=name.IndexOf("@",0,name.Length);
1Y]TA3: f_user.Value=name.Substring(0,a);
J52
o
g4l f_domain.Value=name.Substring(a+1,name.Length-(a+1));
0gfA#|' f_pass.Value=Request.QueryString["Psw"];
7=DjI ~ }
Yk5}`d!: 48*Do}l] catch
u6bXv( {
o!!yd8~*r Script.Alert("错误的邮箱!");
0eS)&GdR Server.Transfer("index.aspx");
pb=cBZ$ }