1. 打开新的窗口并传送参数:
, *e^,|# K\IS"b3X 传送参数:
<rRmbFH# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
$SG^, !!&A qq[2h~6P] 接收参数:
,":"Op61 string a = Request.QueryString("id");
Tx/ string b = Request.QueryString("id1");
d+fmVM?p 70lb6A 2.为按钮添加对话框
O7s0M?4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
#T#&qo# button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
z.e%AcX 1
YMaUyL
1 3.删除表格选定记录
&^ =t%A%# int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
0AJ6g@t[ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
asQ pVP z ]o&^Q 4.删除表格记录警告
TkWS-=lNH0 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
K&BlWXT {
p|(910OEQ switch(e.Item.ItemType)
X2dTV}~i {
u-OwL1S+ case ListItemType.Item :
"! p#8jR^ case ListItemType.AlternatingItem :
b1nw,(hLY case ListItemType.EditItem:
`USR]T_` TableCell myTableCell;
9.zy`} myTableCell = e.Item.Cells[14];
q{yz]H, LinkButton myDeleteButton ;
>^|\wy myDeleteButton = (LinkButton)myTableCell.Controls[0];
/y@$|DI1 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
B(Y{ break;
YwoytoXK default:
XLqS{r~? break;
`q7I;w+g }
9@QP?=\Y ;NLL?6~ }
L9fhe,en H!Uy4L~> 5.点击表格行链接另一页
r.-NfK4 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=c-j4xna> {
JP!$uK{u //点击表格打开
AJt0l|F if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y"e'Gg2 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
1'c!9 }
{(D$Xb [Gh T.
双击表格连接到另一页
MyCX6+Ci) @,M !&l 在itemDataBind事件中
)uwpeq$j7l if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{*
>$aI {
^5=}Y>EJO string OrderItemID =e.item.cells[1].Text;
0J@)?,V-. ...
k W/3
Aq7r e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ORcl=Eo> }
tq<7BO<6 W>wE8? _, 双击表格打开新一页
6/nhz6= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<G 2;nvRr {
3t68cdFlz string OrderItemID =e.item.cells[1].Text;
zhHQJcQ. ...
`u %//m_( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!fzqpl\ze }
R/ l1$} ouVR[w>V ★特别注意:【?id=】 处不能为 【?id =】
0@*rp7 6.表格超连接列传递参数
72~)bu <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
f]T#q@|lE <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
IH}?CZ@{? qFe|$rVVIl 7.表格点击改变颜色
1@CI7j if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?Q9/C| {
:'1ePq e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
hJhdHy=U this.style.color=’buttontext’;this.style.cursor=’default’;");
*ubLuC+b }
`o/tpuI CN\s,. ] 写在DataGrid的_ItemDataBound里
.H7"nt^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B`"-~4YAf {
!x;T2l e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
[FF%HRce,. this.style.color=’buttontext’;this.style.cursor=’default’;");
"LP4)hr_` e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
q/70fR7{v }
j#-ZL-N -a&wOn-W <gf:QX! 8.关于日期格式
?v8RY,Q30 ~}83\LI} 日期格式设定
#^!oP$>1 DataFormatString="{0:yyyy-MM-dd}"
RX?Nv4- Zp-
Av8 我觉得应该在itembound事件中
g 4Vt"2| e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
1swh7 /~J#c= 9.获取错误信息并到指定页面
0/{-X[z
S3)JEZi 不要使用Response.Redirect,而应该使用Server.Transfer
S U2`H7C* 6M+~{9(S e.g
*=@Z\]"? // in global.asax
;&Eu<%y protected void Application_Error(Object sender, EventArgs e) {
|=jgrm1yj if (Server.GetLastError() is HttpUnhandledException)
p_B,7@Jl Server.Transfer("MyErrorPage.aspx");
gOgG23 x Qi6vP& //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Zm&Zz^s }
47`{ e_YP0 I*6L`#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
9co
-W+ *v l_3S5_ 10.清空Cookie
dr,j~ s Cookie.Expires=[DateTime];
GdL\ Response.Cookies("UserName").Expires = 0
6NJ La|&n U
NQup;#h 11.自定义异常处理
9XobTi3+' //自定义异常处理类
F ypqf| using System;
MI',E?#yB using System.Diagnostics;
4\Y=*X [RC|W%<Z> namespace MyAppException
I>L
lc Y {
jqb,^T|j;m /// <summary>
Zu&trxnNf[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
xhg{!w /// 自动将异常内容记录到Windows NT/2000的应用程序日志
d@,q6R}!MP /// </summary>
JXUO?9 public class AppException:System.ApplicationException
9dqD(S#C;" {
2=F_<Jh|+ public AppException()
I?bL4u$\ {
%b@>riR(y if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
LO#{ }
-aKk#fd mUcHsCszH public AppException(string message)
L?Wl#wP\;* {
.N/4+[2p( LogEvent(message);
/~gM,* }
<pK;D gJvc<]W8! public AppException(string message,Exception innerException)
2kCJqyWy {
6K?+ad Klc LogEvent(message);
&/=xtO/Z{ if (innerException != null)
5>h2WL {
//H+S
q66 LogEvent(innerException.Message);
_or$^.=' }
-?LSw }
Z# 7HuAF{] +1h^9Y' //日志记录类
>a_K:O|AJ using System;
1;ZEuO using System.Configuration;
?em )om using System.Diagnostics;
<KHB/7 using System.IO;
O}IS{/^7 using System.Text;
bsqoR8 using System.Threading;
Q6Jb]>g\H G!0|ocE} namespace MyEventLog
O}#*U+j {
M 80U s. /// <summary>
iDHmS6_c /// 事件日志记录类,提供事件日志记录支持
r)U9u 0 /// <remarks>
pxDZ}4mOh /// 定义了4个日志记录方法 (error, warning, info, trace)
&(Xp_3PO /// </remarks>
\Cx3^
iX /// </summary>
->8n.!F} public class ApplicationLog
nqiy)ZN#R {
Y*w<~m /// <summary>
-pg7>vO q /// 将错误信息记录到Win2000/NT事件日志中
tC|5;'m.2 /// <param name="message">需要记录的文本信息</param>
R8":1 #& /// </summary>
c!w4N5aM public static void WriteError(String message)
!ZSC" {
c{FvMV2em WriteLog(TraceLevel.Error, message);
>A2&
Mjo }
Ge(r6"%7 hrEKmRmF- /// <summary>
v,g,c`BjK /// 将警告信息记录到Win2000/NT事件日志中
3b%y+?-{\u /// <param name="message">需要记录的文本信息</param>
W=F?+KgL /// </summary>
I&1Mh4yu public static void WriteWarning(String message)
i}+dctg/ {
>OiC].1
WriteLog(TraceLevel.Warning, message);
?;^_%XSQ* }
Y;-" Z zg8m(=k' /// <summary>
IXd&$h]Lq /// 将提示信息记录到Win2000/NT事件日志中
~j F5%Gu /// <param name="message">需要记录的文本信息</param>
r"5]U`+ /// </summary>
$2;YJjz( public static void WriteInfo(String message)
n-H0cm {
H3`%#wQ0j WriteLog(TraceLevel.Info, message);
L6l~!bEc }
m#%5H /// <summary>
]!0*k#i_. /// 将跟踪信息记录到Win2000/NT事件日志中
=_
-@1
1a /// <param name="message">需要记录的文本信息</param>
5%tIAbGW /// </summary>
nwO;>Qr public static void WriteTrace(String message)
KwpNS(]I {
7sHtJr WriteLog(TraceLevel.Verbose, message);
{wA@5+[ }
BT`/OD@ <
> f12pu /// <summary>
hr]NW>; /// 格式化记录到事件日志的文本信息格式
1iF
|t5>e /// <param name="ex">需要格式化的异常对象</param>
WGp81DNS| /// <param name="catchInfo">异常信息标题字符串.</param>
0m*0I> /// <retvalue>
S1`+r0Fk~n /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
0 B3*\ H}5 /// </retvalue>
$9Z8P_^.0( /// </summary>
eDTEy;^o public static String FormatException(Exception ex, String catchInfo)
eZP"M6 {
EkXns%][L StringBuilder strBuilder = new StringBuilder();
AQ+w%>G6 if (catchInfo != String.Empty)
YW/YeID {
8iX?4qj{P strBuilder.Append(catchInfo).Append("\r\n");
N15{7,
}
1s!hl{n<~ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
H6'xXS return strBuilder.ToString();
w ="I*7c@ }
n"_EDb wXNFL9F8 /// <summary>
O- r"G /// 实际事件日志写入方法
[@>Kd`!' /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
zFQxW4G /// <param name="messageText">要记录的文本.</param>
6PJ0iten /// </summary>
Fnll&TF private static void WriteLog(TraceLevel level, String messageText)
|q5\1}@: {
??1V__w try
aEX+M57k~ {
?CmW{9O EventLogEntryType LogEntryType;
_Vp9Y:mX2 switch (level)
LZ\}Kgi(!T {
qx`*]lX case TraceLevel.Error:
,Sz*]X LogEntryType = EventLogEntryType.Error;
/H!I90 break;
M-|4cd]6 case TraceLevel.Warning:
oSy[/Y44a LogEntryType = EventLogEntryType.Warning;
+-8uIqZ break;
CE*@CkC0z case TraceLevel.Info:
M^g"U` LogEntryType = EventLogEntryType.Information;
%&z9^}Vd[ break;
,ci
tzh case TraceLevel.Verbose:
JrCm >0g LogEntryType = EventLogEntryType.SuccessAudit;
Fz>J7(Y.j break;
dc%+f default:
Is?0q@ LogEntryType = EventLogEntryType.SuccessAudit;
6ng
.
= break;
trgj]|?M }
DSET!F;PG Kw-E%7gh4c EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
^5"s3Qn //写入事件日志
W@pVP4F0xM eventLog.WriteEntry(messageText, LogEntryType);
2/>AmVM ,v)@&1Wh: }
.sjM$#V= catch {} //忽略任何异常
z@<`] }
0v',+- } //class ApplicationLog
&XgB-}^: }
ds7I .Q' -Z6ot{% 12.Panel 横向滚动,纵向自动扩展
\Sg&Qv` <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
'+' u49/LtB\ 13.回车转换成Tab
roL~r`f` <script language="javascript" for="document" event="onkeydown">
H#wn3O if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Ld+}T"Z&M> event.keyCode=9;
pBmacFP </script>
Mb?6c y[ bk#u0N onkeydown="if(event.keyCode==13) event.keyCode=9"
Pi)`[\{ xN2{Vi{ad 14.DataGrid超级连接列
?c=l"\^x DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
f]o DZO%^ 9e8@0?0 15.DataGrid行随鼠标变色
oa;[[2c private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
wf8vKl#Kfw {
- +
$u if (e.Item.ItemType!=ListItemType.Header)
w 7=Y_ {
37M7bB0 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
QGLfZvTT e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&o:ZOD. }
/ ^!(rHf }
4[bw/[ mn
8A%6W 16.模板列
T6AFwo,Q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
{WFYNEQ[ <ITEMTEMPLATE>
R2u[IVZW:- <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
T<p>:$vo </ITEMTEMPLATE>
`\O[9.B </ASP:TEMPLATECOLUMN>
u5T\_0 %2/WyD$U <ASP:TEMPLATECOLUMN headertext="选中">
mL3'/3-7:V <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
}54\NSj0 <ITEMTEMPLATE>
Ct
#hl8b: <ASP:CHECKBOX id="chkExport" runat="server" />
#T
!YFMh; </ITEMTEMPLATE>
|{ *ce<ip5 <EDITITEMTEMPLATE>
}$g5:k! <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
?^,GaZ^V </EDITITEMTEMPLATE>
<}i\fJX6 </ASP:TEMPLATECOLUMN>
ng<|lsZd gEPCXf 后台代码
Cn+TcdHX protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
c;(}Ih(# {
;k!Ej-( //改变列的选定,实现全选或全不选。
rQ~%SUM7 CheckBox chkExport ;
63F0Za}h if( CheckAll.Checked)
SM0= {
uQpV1o5iA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_Se>X= {
&/a/V chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
V&\ZqgDF chkExport.Checked = true;
{N7,=(-2= }
` LU&]NS3 }
t{x&|%u else
M{hA` {
'4N[bRCn foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
(lt/ t {
!X
|Tf chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8FbBv"LI,g chkExport.Checked = false;
J*$ !^\s }
*B@<{x r }
+a;:7[%& }
Qv']*C[!z nA%-< 17.数字格式化
aD%")eP%& X0P<ifIv 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
C]eb=rw$ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
P#76ehR]K shP,-Vs# int i=123456;
(QqKttL: string s=i.ToString("###,###.00");
=BNmuAY7 #l{qb]n] 18.日期格式化
*-` /A m#'u;GP]k 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
#!Kg?BR2 b"{7f 显示为: 2004-8-11 19:44:28
Uv5E$Y"e10 !U=;e ?o 我只想要:2004-8-11 】
Fvi<5v <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
F<G.!Y8!& z[CCgs&vqe 应该如何改?
`[CXxp /UM9g+Bb 【格式化日期】
W}JJaZR*X njvmf*A?S 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
'B6D&xn'%& %
sT=>\ 【日期的验证表达式】
9SMM%(3, r fa"eyBO50 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.XYSO ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
0'aZ*ozk j3A+:KDn3n B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
YwHnDVV+ ^\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]))$
8 rnr>Ee@ tAYu|\] 【大小写转换】
fZXd<Fg+ HttpUtility.HtmlEncode(string);
>Li
~Og@ HttpUtility.HtmlDecode(string)
EMJio\ #YhKAG@| 19.如何设定全局变量
saYn\o"m ]3 Mm"7` Global.asax中
21w<8:Vg I"Y?vj9] Application_Start()事件中
A}[Lk#|n /kNr5s 添加Application[属性名] = xxx;
aD0w82s]J ka"jv"z 就是你的全局变量
g/JAr< -+?0|>Nh 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
P'Rr5Xa N!Kd VDdT| HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
574b] ZtDHNL 【ASPNETMENU】点击菜单项弹出新窗口
A\k-OP] lzl4pnj 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
ITq+Hk
R <?xml version="1.0" encoding="GB2312"?>
WET $H, <MenuData ImagesBaseURL="images/">
5%,n[qj4IT <MenuGroup>
.DCp)&m
l; <MenuItem Label="内参信息" URL="Infomation.aspx" >
}RW4 <MenuGroup ID="BBC">
BOfO$J} <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
|
M-@Qvgh <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
/`2VJw ......
(?q]E$
@ 5C{X$7u 最好将你的aspnetmenu升级到1.2版
0.&gm@A~c$ yvNYYp2r 21.读取DataGrid控件TextBox值
@WFjM foreach(DataGrid dgi in yourDataGrid.Items)
aLq=%fsV) {
H+_oK
]/ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
x"U/M?l tb.Text....
213D{#2 }
s9O] tk 9-p d{Z~l 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?
pmHd1 Wub s7T=/SC54 〖思归〗
2yeq2v <asp:TemplateColumn HeaderText="数量">
!YAkHrF`[0 <ItemTemplate>
H${Ym BG <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
O(WFjmHx onkeyup="javascript:DoCal()"
_BcB@a />
OJkPlDym z,/dYvT< <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ChGwG.-%L </ItemTemplate>
_v]I6<!5U </asp:TemplateColumn>
Gs*ea'T) }L:LcM <asp:TemplateColumn HeaderText="单价">
nLT]'B]$+ <ItemTemplate>
,3N8 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
ZFrK'BvbR onkeyup="javascript:DoCal()"
2Uu,Vv />
"B)DX*-\? C|z`hNp <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
g/VC$I!' BAqu@F\): </ItemTemplate>
q_HD`tW </asp:TemplateColumn>
9n9/[?S QF-.")Z <asp:TemplateColumn HeaderText="金额">
1mA)=hu <ItemTemplate>
Ig$5Ui <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
n>Zkx+jLj< </ItemTemplate>
=U|J{^ >I </asp:TemplateColumn><script language="javascript">
?86h:9 function DoCal()
Bg7?1m {
<J`_Qc8C var e = event.srcElement;
APK@Oq var row = e.parentNode.parentNode;
r+$ 0u~^ var txts = row.all.tags("INPUT");
etGquW. if (!txts.length || txts.length < 3)
?V*>4A return;
MV=.(Zs 5dYIL` var q = txts[txts.length-3].value;
Xb|hP var p = txts[txts.length-2].value;
x1A^QIuxO uiHlaMf if (isNaN(q) || isNaN(p))
`EWeJ(4Z@ return;
)Tb{O |Zkcs]8M! q = parseInt(q);
!K`;fp! p = parseFloat(p);
Xb6@;G" vs6`oW"{# txts[txts.length-1].value = (q * p).toFixed(2);
/Rt/Efu }
YMqL,&Q{1 </script>
mc9$" <-FZ-asem kC LeHH|K nC>#@*+jK ;O5NZa!.73 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。
j7"E0Wc^o_ page_load
9(u2jbA page.smartNavigation=true
TD\QX2m Lg9ktRKK 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 ?
xx/DD%IZ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
^Ko0zz|R/ {
%}$6#5"'; for(int i=0;i<e.Item.Cells.Count-1;i++)
|fRajuA; if(e.Item.ItemType==ListItemType.EditType)
5]'iSrp {
_>3GNvS e.Item.Cells.Attributes.Add("Width", "80px")
r Ld,Izi }
U76:F?MH }
o"'VI4 )%#hpP M^ 26.对话框
9';0vrFeM private static string ScriptBegin = "<script language=\"JavaScript\">";
ts9N$?0:V private static string ScriptEnd = "</script>";
%>24.i"l |wK)(s public static void ConfirmMessageBox(string PageTarget,string Content)
cH2
nG:H {
TR
]lP<m string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
YK"({Z>U ZO0_:T#Z ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
_KD(V2W ijoR(R^r Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
+86\&y) ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Snh\Fgdz //Response.Write(strScript);
eb( =V* }
0}P&G^%" O\G%rp L$w 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
*sL'6"#Cre +.>O%pNj 1.1 取当前年月日时分秒
z!RA=]3h currentTime=System.DateTime.Now;
Z39^nGO ?%;uR#4 1.2 取当前年
Xwx;m/ int 年= DateTime.Now.Year;
hi.{ BAzqdG 1.3 取当前月
^!kvgm<{$ int 月= DateTime.Now.Month;
1b_->_9 ` qt4~rD 1.4 取当前日
y/kCzDT, int 日= DateTime.Now.Day;
k Mwt&6wS =]7 \-- 1.5 取当前时
r-[z!S
int 时= DateTime.Now.Hour;
(<8T*Xo )FU4i N)ei 1.6 取当前分
R@"N{ [9 int 分= DateTime.Now.Minute;
]~a!O xnh%nv<v{ 1.7 取当前秒
5i1 >z{ int 秒= DateTime.Now.Second;
n,V`Y'v) $F/&/Aa 1.8 取当前毫秒
QP\vN|r int 毫秒= DateTime.Now.Millisecond;
X)nOY* nq6]?ZJ 28.自定义分页代码:
4tq>Lx^5U $xloB 先定义变量 :
<`MHra8 public static int pageCount; //总页面数
I
s8| public static int curPageIndex=1; //当前页面
\&e+f#!u HkrNh>^= 下一页:
c/g(=F__[ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
fcV/co_S6 {
[5m;L5 DataGrid1.CurrentPageIndex += 1;
&Kjqdp curPageIndex+=1;
A= ,q& }
K-vso4@BJ }i/{8OuW bind(); // DataGrid1数据绑定函数
0Fi7| qBCZ)JEN#U 上一页:
w#JF7; if(DataGrid1.CurrentPageIndex >0)
pw(`+x] {
T /]ayc: DataGrid1.CurrentPageIndex += 1;
?m~x%[Vn curPageIndex-=1;
zGz5|u }
SM^6+L"BE m{V@Om bind(); // DataGrid1数据绑定函数
"BzRLg!J 71)HxC[6vA 直接页面跳转:
2;kab^iv' int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
,,{Uz)>'W6 :uI}"Bp if(a<DataGrid1.PageCount)
N%Lh_2EzqV {
F htf4 this.DataGrid1.CurrentPageIndex=a;
Mq*Sp
UR }
!N)oi$T% Qh{=Z^r bind();
gu"Agct4 Wt4!XV 29.DataGrid使用:
%!eK"DKG^ x"N,oDs 添加删除确认:
wI`uAZ=" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_~_Hup {
!XtbZ- foreach(DataGridItem di in this.DataGrid1.Items)
~gX@2!D5k {
D/{- if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
R'9TD=qEK {
4!monaB"e ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
6
#QS5 }
1F$a
My? }
G LE`ba }
bAW;2
NB ?rv+ydR/q 样式交替:
'!y ^ ListItemType itemType = e.Item.ItemType;
}>h?W1 >i=O =w if (itemType == ListItemType.Item )
B!8]\D {
_
-?)-L&g e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
IWMqmCbv e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p*dez! }
3Um\?fj>}( else if( itemType == ListItemType.AlternatingItem)
o>W}1_ {
?j $z[_K e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
9OTw6 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0J_Np }
]cA){^.Jz 6aj)Fe'2 添加一个编号列:
#G]s.by(' DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
O:u^jcXA DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
<89js87 TuX#;!p6 for(int i=0;i<dt.Rows.Count;i++)
lSbAZ6 {
S:t7U% dt.Rows["number"]=(i+1).ToString();
0|NbU }
jo"[$%0` vKI,|UD&- DataGrid1.DataSource=dt;
"+7~C6[s DataGrid1.DataBind();
-gC=%0sp\ .JH3,L"S^ DataGrid1中添加一个CheckBox,页面中添加一个全选框
!>2s5^JI9 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0<o#;ZQ] {
1`h`-dqr# foreach(DataGridItem thisitem in DataGrid1.Items)
OCRx| {
S"}FsS;k<? ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
P~]BB.tog }
!'PPj_Hp] }
O81})r*Y .[CXW2k 将当前页面中DataGrid1显示的数据全部删除
O?{pln foreach(DataGridItem thisitem in DataGrid1.Items)
||/noUK {
x9@%L{* if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
(j cLzq {
>~ne(n4qy string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
j)J4[j Del (strloginid); //删除函数
(]iw#m{ }
h~F uuL }
l
"d&Sgnj E=7"}; 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)
P=S)V ~){*XJw6 在Application_Start中添加以下代码:
O>'o; 0 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
RtF_p
{s AppSettings["ConnStr"].ToString();
}TYCF@ SIbQs8h]
31. 变量.ToString()
F.T~txQ~u i:W
oT4 字符型转换 转为字符串
YF."D%? 12345.ToString("n"); //生成 12,345.00
9K)OQDv%6D 12345.ToString("C"); //生成 ¥12,345.00
iv56zsR 12345.ToString("e"); //生成 1.234500e+004
YDDwvk
H 12345.ToString("f4"); //生成 12345.0000
;rk}\M$+ 12345.ToString("x"); //生成 3039 (16进制)
/'ybl^Km 12345.ToString("p"); //生成 1,234,500.00%
(*hA0&n
"-I> 32、变量.Substring(参数1,参数2);
ImvkB~8N 5+ VdZ'@ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
;ATk?O4T i?mDR$X: 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)
6 !+"7r6 <SCRIPT language="javascript">
gS"@P:wYzs <!--
{;z3$/JB function gook(pws)
)V9$ P) {
5*4P_q(AxD frm.submit();
TmO\!` }
/V3*[ //-->
Z1q'4h=F. *]F3pP[ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
3>?ip; <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
g#Yqw <tr>
<G6 wpf8M <td>
<Z#u_:5@ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
~;U!? <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&_!BMzp4 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
c) 1m4SB@ ! 4i <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
:Z`4ea"w <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
sRY: 7>eg @ZT25CD </td>
+mAMCM2N T@k&YJ
</tr>
t6js@Ih :*Ckq~[Hg </form>
I ][8[UZ Lw-j#}&6E 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。
b_][Jye&P s{A-K5S 下面是获取用户输入的登陆信息的代码:
^\_`0%`> string name;
>-oa`im+ name=Request.QueryString["EmailName"];
ym1TGeFAq v "oO
try
J!S3pS5j {
~r|.GY int a=name.IndexOf("@",0,name.Length);
9X=#wh,q f_user.Value=name.Substring(0,a);
e2Xx7*vS f_domain.Value=name.Substring(a+1,name.Length-(a+1));
,j2qY'wi f_pass.Value=Request.QueryString["Psw"];
!%5{jO1 }
1w\Y._jK /\Q{i#v catch
S, Oy}Nv {
zRsA[F# Script.Alert("错误的邮箱!");
>%d]"] Server.Transfer("index.aspx");
?J)%.~! }