1. 打开新的窗口并传送参数:
#t!}K_ (P6vOo 传送参数:
6g>)6ux>aV response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
AY_Q""v o/^;@5\ 接收参数:
(sw-~U% string a = Request.QueryString("id");
8n4V
cu string b = Request.QueryString("id1");
cjULX+h L(&}Wv 2.为按钮添加对话框
*Zd84wRSj Button1.Attributes.Add("onclick","return confirm(’确认?’)");
oQ+61!5> button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
L4f7s7rJ o07IcIo 3.删除表格选定记录
pw'wWZE' int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
YnV/M,U string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
MEwdw3 |)_-Bi;MW` 4.删除表格记录警告
:u%$0p> private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZI ?W5ISdg {
6ew "fCrH! switch(e.Item.ItemType)
4}KU>9YRA {
n"aCt%v case ListItemType.Item :
wX1ig case ListItemType.AlternatingItem :
E@
h
y7 X case ListItemType.EditItem:
l54|Q TableCell myTableCell;
hv)7H)|l~] myTableCell = e.Item.Cells[14];
Sav`%0q?7a LinkButton myDeleteButton ;
G@d`F myDeleteButton = (LinkButton)myTableCell.Controls[0];
.gZZCf&? myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
N
b3$4(F break;
u}H$-$jE default:
2pyt&'NJua break;
dYOF2si~% }
3/M.0}e #-u [$TA }
|;;!8VO3J
f1+qXMs 5.点击表格行链接另一页
B!aK private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
YRB%:D@u {
Fm j= //点击表格打开
m[2'd if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
S-E++f9D~ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Na!za'qk[o }
2f:Mm'XdB 0|)19LR 双击表格连接到另一页
;MTz]c wFlV=!>, 在itemDataBind事件中
DOL%'k ?B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Sw!
j=`O {
!eD+GDgE] string OrderItemID =e.item.cells[1].Text;
L{ ^4DznI ...
$T
dC/#7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
-a) T6:e }
hH+bt!aH %]Cjhs"v 双击表格打开新一页
@sf90&f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<lFY7'aY {
m7 XjP2 string OrderItemID =e.item.cells[1].Text;
~LE[,
I:q ...
)bWrd$X e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
O<,r>b, }
,@Z_{,b a20w, ★特别注意:【?id=】 处不能为 【?id =】
4'At.<]jL 6.表格超连接列传递参数
8@7AE" <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Ob&W_D^=N <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
N
<pbO#e r#~K[qb 7.表格点击改变颜色
I5pp "*u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
t9*= {
<lld*IH e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
2bA#D%PHD this.style.color=’buttontext’;this.style.cursor=’default’;");
zv%J=N$G }
ZzL@[g [n:PNB 写在DataGrid的_ItemDataBound里
cCng5Nq,c if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
/(%Ig,<"JC {
$j`<SxJ> e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
$Qq_qTJu?G this.style.color=’buttontext’;this.style.cursor=’default’;");
~u/@rqF e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
41;)-(1 }
Yk>8g;< {,V$* @P70W<< 8.关于日期格式
1KJZWZy c/$*%J< 日期格式设定
+sn2Lw!^ DataFormatString="{0:yyyy-MM-dd}"
<:cpz* G4 }GRMZh_8 我觉得应该在itembound事件中
h;n\*[fDc e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
jyjQzt
>\ i]M"Cu* 9.获取错误信息并到指定页面
EX 9Z{xX W'G{K\(/ 不要使用Response.Redirect,而应该使用Server.Transfer
?Y!U*& 7 2}`R"MeS e.g
^uBwj}6 // in global.asax
(n=Aa; protected void Application_Error(Object sender, EventArgs e) {
?Y!^I2Y6 if (Server.GetLastError() is HttpUnhandledException)
FU]4oKx Server.Transfer("MyErrorPage.aspx");
IgA.%}II} W8.j/K: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
/W9
&Ke }
1#!@[" oWrE2U; 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
83?1<v0% ;vUxO<cKFq 10.清空Cookie
{h^c Cookie.Expires=[DateTime];
5vGioO Response.Cookies("UserName").Expires = 0
_sm;HH7'* 4Bo<4 4-, 11.自定义异常处理
C"9"{ //自定义异常处理类
Mryn>b`cB using System;
!c_u-&b) using System.Diagnostics;
HwW6tQ Gy^FrF namespace MyAppException
g =x"cs/[ {
%L cH>sV /// <summary>
a8NVLD>7} /// 从系统异常类ApplicationException继承的应用程序异常处理类。
^teaJ y% /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gD5P!}s[u0 /// </summary>
9i[4"&K public class AppException:System.ApplicationException
fn?VNZ`J
{
??+:vai2 public AppException()
x.G"D( {
4a 4N
C if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
B<C&ay }
NY 4C@@" zze z~bv7: public AppException(string message)
{0fz9"|U {
|=,83,a LogEvent(message);
#jgqkMOd,j }
OgTSx z1}1*F" public AppException(string message,Exception innerException)
B{=009. {
<hMtE/05B LogEvent(message);
kyK' if (innerException != null)
sr4jQo {
Rj&qh` LogEvent(innerException.Message);
U%n,XOJ }
p70,\&@3 }
!(yT7#?hP uwId //日志记录类
9IOGc} using System;
Wv NI=> using System.Configuration;
}"0{zrz using System.Diagnostics;
7
{nl..` using System.IO;
y-<$bA[K~ using System.Text;
C;%Y\S using System.Threading;
,y%ziay kI<WvgoL namespace MyEventLog
fIH# {
kLq(!Gs /// <summary>
\P5>{2i /// 事件日志记录类,提供事件日志记录支持
|a>}9:g,=* /// <remarks>
Q;Q%SI`yT /// 定义了4个日志记录方法 (error, warning, info, trace)
yz8-&4YRNd /// </remarks>
J2'W =r_# /// </summary>
}D Z)W0RDe public class ApplicationLog
_o&94& {
{&0mK"z_ /// <summary>
FQ0KUb}0 /// 将错误信息记录到Win2000/NT事件日志中
~JAjr(G#o /// <param name="message">需要记录的文本信息</param>
/=q.tDH=I /// </summary>
]79~:m[C public static void WriteError(String message)
P6:;Y5e0 {
`,Xb8^M2 WriteLog(TraceLevel.Error, message);
xl3zy~;M }
D {Oq\* V0s,f.a /// <summary>
8s~\iuk /// 将警告信息记录到Win2000/NT事件日志中
Q%I#{+OT /// <param name="message">需要记录的文本信息</param>
.<HC[ls /// </summary>
487YaioB$ public static void WriteWarning(String message)
g;l'VA3v {
E*OG-r WriteLog(TraceLevel.Warning, message);
K]ca4Z }
bI#<Ee0nJ 5Yn{?r\#F /// <summary>
W _J&M4 /// 将提示信息记录到Win2000/NT事件日志中
hEWx. /// <param name="message">需要记录的文本信息</param>
0~qf-x /// </summary>
B~WK)UR public static void WriteInfo(String message)
m$,cH>E {
WN$R[N WriteLog(TraceLevel.Info, message);
RZW$!tyI= }
#UBB
lE# /// <summary>
Xthtw * /// 将跟踪信息记录到Win2000/NT事件日志中
(=`Z0)= /// <param name="message">需要记录的文本信息</param>
qw5&Y$(( /// </summary>
W=UqX{-j) public static void WriteTrace(String message)
^Wif!u/HM {
VccM=w%* WriteLog(TraceLevel.Verbose, message);
6g}^Q?cpV# }
DCt\E/ |xp$OL"a /// <summary>
i3D<`\;r /// 格式化记录到事件日志的文本信息格式
R!@|6=]iG /// <param name="ex">需要格式化的异常对象</param>
*X~B-a |nJ /// <param name="catchInfo">异常信息标题字符串.</param>
PEfE'lGj /// <retvalue>
F%9cS
: /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
sfyBw /// </retvalue>
pF|8OB% /// </summary>
*wViH public static String FormatException(Exception ex, String catchInfo)
Ir!2^:]! {
] xb]8] StringBuilder strBuilder = new StringBuilder();
<njIXa{ if (catchInfo != String.Empty)
d [)_sa {
SOhSg]g strBuilder.Append(catchInfo).Append("\r\n");
D!X>O} }
oDz*~{BHg strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
I<c@uXXV;! return strBuilder.ToString();
$U ~=.!_du }
8n;kK? jo<>Hc{g> /// <summary>
tB
GkRd! /// 实际事件日志写入方法
wu;7NatHx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
C5>{Q:.`e' /// <param name="messageText">要记录的文本.</param>
#!w:_T% /// </summary>
^OsA+Ea\ private static void WriteLog(TraceLevel level, String messageText)
r4 9UJE {
mgo'MW\ try
F# jCEq {
L& I`
# EventLogEntryType LogEntryType;
=*{K@p_ switch (level)
3?.6K0L {
=]!8:I?C< case TraceLevel.Error:
h~,x7]w6 LogEntryType = EventLogEntryType.Error;
Dm>T"4B`/ break;
tU9rCL:P case TraceLevel.Warning:
UVc>i9,0 LogEntryType = EventLogEntryType.Warning;
Tf9&,!>V break;
GA'*58 case TraceLevel.Info:
-$AjD?; LogEntryType = EventLogEntryType.Information;
5JQd)[Im break;
}UyzMy, case TraceLevel.Verbose:
;~}-AI- LogEntryType = EventLogEntryType.SuccessAudit;
H%*~l break;
@uQ%o%Ru6 default:
_pY LogEntryType = EventLogEntryType.SuccessAudit;
F6RyOUma break;
2Som0T<2 }
6&g!ZE'G K~7'@\2
? EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
DH}s1mNMP //写入事件日志
wk-Mu\ eventLog.WriteEntry(messageText, LogEntryType);
({*.!ty o%kSR ]V| }
Wwn5LlJ^ catch {} //忽略任何异常
0z#l0-NdQ }
j zxf"X- } //class ApplicationLog
5"76R
Gw= }
~0VwF I>N-95 12.Panel 横向滚动,纵向自动扩展
*D,v>( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
[,\'V0 ==jkp
U*= 13.回车转换成Tab
h1Ke$#$6 <script language="javascript" for="document" event="onkeydown">
sq8 tv] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
uf{SxEa event.keyCode=9;
U92B+up- </script>
f9h:"Dnzin t9KH|y onkeydown="if(event.keyCode==13) event.keyCode=9"
Up]VU9z 5*G8W\
$ 14.DataGrid超级连接列
]=$-B DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
pHI%jHHJ :vn0|7W4 15.DataGrid行随鼠标变色
>i><s>=I` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"wc`fg"3 {
[15hci+- if (e.Item.ItemType!=ListItemType.Header)
&* V0( {
UiGUaB mF* e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~G|{qVO7A e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
>#${.+y }
w]]x[D]L }
sqq/b9 uL/ 5n|MA 16.模板列
:Olj <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
hq|jC <ITEMTEMPLATE>
&lXx0"-$ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
u;l6sdo </ITEMTEMPLATE>
Ymrpf </ASP:TEMPLATECOLUMN>
n:}MULy; 30gZ_8C>} <ASP:TEMPLATECOLUMN headertext="选中">
C%x(`S^/ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
a=}">=]7 <ITEMTEMPLATE>
^)eessZ <ASP:CHECKBOX id="chkExport" runat="server" />
N7j]yvE </ITEMTEMPLATE>
7|{%CckN
<EDITITEMTEMPLATE>
ByB0>G''. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
a9mr-`< </EDITITEMTEMPLATE>
T }8r;<P6 </ASP:TEMPLATECOLUMN>
p ] $ S`'uUvAA 后台代码
x~3>1Wr#M protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
BIb{<tG^N {
"6[Ax{cM //改变列的选定,实现全选或全不选。
Oy?iAQ+ CheckBox chkExport ;
LyCV_6;D if( CheckAll.Checked)
{ra Esb-X {
K>DnD0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
z=8_%r {
X*p:&=o chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]R2Z -2 chkExport.Checked = true;
=8VJ.{xy_e }
5
\.TZMB }
N2S!.H!Wz else
eog,EP"a8Y {
I5|S8d< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
BT*K,p {
'nmYB:&! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;4O;74`Zh chkExport.Checked = false;
R&-W_v+ }
Eb{4.17b }
Jn^Wzn[q }
_UbR8
onS{ 17.数字格式化
^*owD;]4_ JzS^9)& 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
EC\rh](d
1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
v#AO\zYKd ;jY'z5PH5 int i=123456;
wtgO;w string s=i.ToString("###,###.00");
\`<s@U Liz6ob 18.日期格式化
A=2nj TTw~.x, 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Tl0+Bq ]cO$ E=W 显示为: 2004-8-11 19:44:28
~9{-I{= A`r$fCt1Vi 我只想要:2004-8-11 】
E%v[7 ST <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
sO f)/19 A$Jn3Xd~! 应该如何改?
J4R d+$[EDix 【格式化日期】
=4%WOI Pq_ApUZa 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
fb S. Q:xI}
]FM 【日期的验证表达式】
N[?4yV2s B )3SiU A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?;r7j V/`j ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
4VL!U?dk Se]t;7j B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
V[2<ha[n> ^\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]))$
14)kKWG <pa];k(IQL 【大小写转换】
*^$N$t/2 HttpUtility.HtmlEncode(string);
e715)_HD HttpUtility.HtmlDecode(string)
66y ,{t W} +6L| 19.如何设定全局变量
oY#XWe8Om IEKX'+t' Global.asax中
g5TLX&Bd d T-O8 Application_Start()事件中
6`PGV+3j {10+(Vl 添加Application[属性名] = xxx;
7$!Bq# 5'}!v 就是你的全局变量
F@*r%[S/ FK,r<+h 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
0BU:(o& h"%,eW|^ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
(G b{ckzs XajY'+DIsz 【ASPNETMENU】点击菜单项弹出新窗口
Jv$2wH Sv]"Y/N 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Z(clw <?xml version="1.0" encoding="GB2312"?>
N`mC_) <MenuData ImagesBaseURL="images/">
@eD~FNf-] <MenuGroup>
oFx gR9 <MenuItem Label="内参信息" URL="Infomation.aspx" >
f\%X7. <MenuGroup ID="BBC">
=GS_ G;Dz <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
74!JPOpQH <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
uX5B>32 ......
K
{N;k- hQRc,d6x5 最好将你的aspnetmenu升级到1.2版
r?{LQWP>e qb/!;U_ 21.读取DataGrid控件TextBox值
Y&:\s8C foreach(DataGrid dgi in yourDataGrid.Items)
}jy7,+ {
Bf}0'MK8zQ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
r-DD*'R tb.Text....
4xC6#:8 }
j1C0LP8 g&20F`.N*> 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
JL*]9$o (6_/n&mF 〖思归〗
u=N;P <asp:TemplateColumn HeaderText="数量">
xuC6EK+ <ItemTemplate>
G`<1>%"F <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
\>CBam8d onkeyup="javascript:DoCal()"
|@4hz9~3 />
Czl 8Q oH +/^q"/f F <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Z|7I }i </ItemTemplate>
3uiitjA] </asp:TemplateColumn>
7PPsEU:rf 6I'VXdeN <asp:TemplateColumn HeaderText="单价">
uqH! eN5 <ItemTemplate>
{:!SH6 ff <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
U%6lYna{M# onkeyup="javascript:DoCal()"
A7}|VV />
`>HthK Wa<NId <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
t"m`P1 ?q8g<-? </ItemTemplate>
R(#;yn </asp:TemplateColumn>
KuAGy*:4T /]UNN~( <asp:TemplateColumn HeaderText="金额">
kUBHK"}K <ItemTemplate>
LA(JA <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
G5@@m- </ItemTemplate>
J~ rC </asp:TemplateColumn><script language="javascript">
W`rE\P function DoCal()
-CNv=vj 3 {
S 2` ;7 var e = event.srcElement;
7
@Qlp$[F var row = e.parentNode.parentNode;
CHSD8D var txts = row.all.tags("INPUT");
SVeU7Q6- if (!txts.length || txts.length < 3)
^,r;/c9A8 return;
NWX%0PGZ H$'kWU*l var q = txts[txts.length-3].value;
Y\2>y"8>$x var p = txts[txts.length-2].value;
=<tEc+!T3 MZ[g|o!)v if (isNaN(q) || isNaN(p))
w'j]Y% return;
[?(W7 O-m}P q = parseInt(q);
=njj.<BO p = parseFloat(p);
x}24?mP um4zLsd#v txts[txts.length-1].value = (q * p).toFixed(2);
h*'5h! }
Q^;\!$:M </script>
*/qc%!YV9 '4S@:.D` JVYYwA^. B_1u<00kg 0pG(+fN_9 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。
"lya|; page_load
.=<pU k 3G page.smartNavigation=true
) FsSXnZL $G.|5sEk 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 ?
U9%nku4 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
/R?uxhV {
:H k4i%hGk for(int i=0;i<e.Item.Cells.Count-1;i++)
2Nzcej if(e.Item.ItemType==ListItemType.EditType)
1e%Xyqb {
4&WzGnK e.Item.Cells.Attributes.Add("Width", "80px")
_Xe< JJvq }
^W*)3;5 }
5.;$9~d ]zAg6*-/B 26.对话框
p#NZ\qJ private static string ScriptBegin = "<script language=\"JavaScript\">";
ZSf+5{2m private static string ScriptEnd = "</script>";
*38\&"s4_ ;\0RXirk public static void ConfirmMessageBox(string PageTarget,string Content)
IKj1{nZvDc {
`2+52q<FO string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(S{c*"}2 W u{nC ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
LB0=V0| 09i[2n;O Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
[^P2Kn ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Unk+@$E& //Response.Write(strScript);
&?pAt30K: }
bm|8Jbsb& jt*@,+e| 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
^DJU99
T!$HVHh&,} 1.1 取当前年月日时分秒
LZ$!=vg4 currentTime=System.DateTime.Now;
Qk?Jy<Ra ,X):2_m 1.2 取当前年
< duM8 int 年= DateTime.Now.Year;
*Ux"3IXO A>S2BL#= 1.3 取当前月
l0)6[yXK int 月= DateTime.Now.Month;
ZmF32Ir J>|` 1.4 取当前日
~0:c{v;4 int 日= DateTime.Now.Day;
.v!e=i}. ax }Xsk_ 1.5 取当前时
~<-h# B int 时= DateTime.Now.Hour;
cFo-NI2 1EB`6_>y 1.6 取当前分
s^<
oU int 分= DateTime.Now.Minute;
bBL"F!. }3e+D 1.7 取当前秒
\6L=^q= int 秒= DateTime.Now.Second;
P40eK0e6 S d -+a 1.8 取当前毫秒
*8+YR int 毫秒= DateTime.Now.Millisecond;
ru
Lcu] }Qo8Xps 28.自定义分页代码:
b?,y%D)' AG%aH=TKp 先定义变量 :
^\;5O(9 public static int pageCount; //总页面数
UNHHzTsr? public static int curPageIndex=1; //当前页面
YTA&G "Y6mM_flq 下一页:
p5ihuV, if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
|M&/(0 {
-tJ*F!w6U DataGrid1.CurrentPageIndex += 1;
h[?28q$ curPageIndex+=1;
iddT. }
N\$6R-L 1:8: yFV bind(); // DataGrid1数据绑定函数
(Nf.a4O I_Qnq4Sk( 上一页:
ml2HA4X&$Y if(DataGrid1.CurrentPageIndex >0)
V2X(f6v {
~1oD7=WN DataGrid1.CurrentPageIndex += 1;
s.R(3}/ curPageIndex-=1;
,#6\:i }
|ouk;r24V "-oC,;yq bind(); // DataGrid1数据绑定函数
]Ea6Z z m%\L/BF 直接页面跳转:
%K4-V5f int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
D.~t#a A g&
Rk}/F if(a<DataGrid1.PageCount)
jEadVM9 {
+gkB this.DataGrid1.CurrentPageIndex=a;
A
[JV*Dt }
MvCBgLN "Q( 8FF bind();
[F$3mzx p#w,+)1!d 29.DataGrid使用:
&2DW ]z,?{S 添加删除确认:
2= _.K( private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%k~=iDk@ {
wFD.3! foreach(DataGridItem di in this.DataGrid1.Items)
AWzpk}\ {
GUxhCoxb if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
!Kis,e {
#{(rOb6H) ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Kt-@a%O0 }
Ok@5`?08 }
8`D_"3j3g\ }
3f3?%9 o7 kGZ 样式交替:
A6d+RAx ListItemType itemType = e.Item.ItemType;
lyyi?/W% PrCq
JY if (itemType == ListItemType.Item )
^l9S5
{ {
C-Mop,w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
l"+=z.l6; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
l}m@9 ~oC }
{0|^F!1z else if( itemType == ListItemType.AlternatingItem)
/N$T[ {
V\
|b#?KL e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
30<^0J.1 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;3w W)gL1 }
@c/~qP4 0P|WoCX 添加一个编号列:
9]Y@eRI< DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[mm5?23g DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
gw H6r3=y( DV.m({? for(int i=0;i<dt.Rows.Count;i++)
@A:Xct {
1&dWt_\ dt.Rows["number"]=(i+1).ToString();
3h4>edM }
4u<oe_n ~
^K[pA ? DataGrid1.DataSource=dt;
hE>Mo$Q( DataGrid1.DataBind();
n04Zji(F@ V< J~:b1V DataGrid1中添加一个CheckBox,页面中添加一个全选框
SW bwD/SN private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Gv<K#@9T {
3o z] foreach(DataGridItem thisitem in DataGrid1.Items)
>]Y`-*vw& {
nH;^$b'LZ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
!dZC-U~ }
Up8#Nz
T }
!.9NJ2'8 'peFT[1>( 将当前页面中DataGrid1显示的数据全部删除
<CeDIX t foreach(DataGridItem thisitem in DataGrid1.Items)
NJ3b Oq {
Z(Xu>ap if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
"S1+mSW> {
6%:N^B=%} string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
n:HF&j4C, Del (strloginid); //删除函数
uA,K}sNRZ }
8USF;k }
HuG|BjP 1SQ&mH/ 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)
E:#VS~ ;|66AIwDe 在Application_Start中添加以下代码:
<wa}A!fu Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
L[D}pL= AppSettings["ConnStr"].ToString();
Y*J,9 =Bl#CE)X 31. 变量.ToString()
p.)G ], j$BM$q/c 字符型转换 转为字符串
Sa6}xe."M, 12345.ToString("n"); //生成 12,345.00
'xhX\?mD 12345.ToString("C"); //生成 ¥12,345.00
't2"CPZ 12345.ToString("e"); //生成 1.234500e+004
ur"ckuG!9 12345.ToString("f4"); //生成 12345.0000
]QRhTz 12345.ToString("x"); //生成 3039 (16进制)
)~s(7
4`} 12345.ToString("p"); //生成 1,234,500.00%
[Cvo^cC 0fwo8NgX 32、变量.Substring(参数1,参数2);
&?v^xAr?B LsoP >vJG 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
ll=p1 slXk < 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)
)Yy`$` <SCRIPT language="javascript">
:voQ#f= <!--
)lE]DG! function gook(pws)
V_$ BZm%8J {
hVd%
jU: frm.submit();
%TP0i#J }
]W]o6uo7 //-->
"oz qfh I5
"Z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
p$0G EYwM <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
aTxss:7] <tr>
qn5e[Vn <td>
:dc>\kUIv <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
1.6yi];6 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Ivmiz{Oii <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
%A|9=x* Usx8
U <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
YKlYo~fGN9 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
S-NKT(H)c ZEYT17g] </td>
%wzDBsX _0Qp[l-
</tr>
i 3?=up! i7_Nv </form>
>hHjDYjbf 0K<y
} 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。
1t w>C\ CoO.. 下面是获取用户输入的登陆信息的代码:
XHKiz2Pc1 string name;
hLK5s1#K name=Request.QueryString["EmailName"];
!W4A9Th +i HZ* try
jeXP|;#Una {
<#/r.}.x int a=name.IndexOf("@",0,name.Length);
Fjch<gAofS f_user.Value=name.Substring(0,a);
1?%Q"*Y& f_domain.Value=name.Substring(a+1,name.Length-(a+1));
q#s:2#= f_pass.Value=Request.QueryString["Psw"];
+}1h }
{| ~ ]z3!hgTj catch
pn"TFapJA {
r&!Ebe- Script.Alert("错误的邮箱!");
%:Mi6sR| Server.Transfer("index.aspx");
y.vYT{^ }