1. 打开新的窗口并传送参数:
f:]u`ziM \UQ9MX _ 传送参数:
C<_Urnmn response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
60"5?=D jm+ V$YBP 接收参数:
q 75ky1^1: string a = Request.QueryString("id");
(tepmcf string b = Request.QueryString("id1");
9%sFJ d9O:,DKf 2.为按钮添加对话框
xEjx]w/& Button1.Attributes.Add("onclick","return confirm(’确认?’)");
U+-F*$PO+ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Pp,Um( R]Hz8 _X 3.删除表格选定记录
yahAD.Xuo@ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
R.K?
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
tKwn~T J*5hf: ?i 4.删除表格记录警告
14mf}"z\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Q4RpK(N {
Nepi|{ switch(e.Item.ItemType)
k@S)j< {
'=VH6@vZ_' case ListItemType.Item :
>tN5vWW case ListItemType.AlternatingItem :
ton1oq
case ListItemType.EditItem:
%NNj9Bl<VV TableCell myTableCell;
DKX/W+#a myTableCell = e.Item.Cells[14];
kP@HG<~ LinkButton myDeleteButton ;
IXnb]q. myDeleteButton = (LinkButton)myTableCell.Controls[0];
TN5>" ??" myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
/ip lU break;
+jUgx;u, default:
]D O&x+Rb break;
lr,q{; }
Z:!IX^q;}n 6,X+1EXY }
'xIyGDe Pb#P`L7OB 5.点击表格行链接另一页
vm8$:W2 } private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1I ""X]I_ {
"# !D|[h0 //点击表格打开
P$g^vS+ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(~JwLe@a e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
i0>]CJG }
!$_~x
8K1- >z(wf>2J 双击表格连接到另一页
'r\ 4}Ik 1w`2Dt 在itemDataBind事件中
LT/mb2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J96uyS* {
:_v!#H) string OrderItemID =e.item.cells[1].Text;
k)cP! %z ...
6hO-H&r++ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
3f"C!l]Xu }
+
~"5! H(b)aw^(% 双击表格打开新一页
jXixVNw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b]T@gJ4H= {
YScvyh?E string OrderItemID =e.item.cells[1].Text;
eeM?]J- ...
8] `Ru5nd e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/ 2xSNalC }
}9^@5!qX wjrG7*_Y4v ★特别注意:【?id=】 处不能为 【?id =】
M%I@<~wl 6.表格超连接列传递参数
Xwt`(h[u <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
yI&9\fn <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
>{wuEPA U6<M/>RG$ 7.表格点击改变颜色
];1R&:t if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\9`#]#1bx5 {
8#w)X/ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
7b, (\Fm this.style.color=’buttontext’;this.style.cursor=’default’;");
ZIDbqQu }
_|A+) K {]^O:i" 写在DataGrid的_ItemDataBound里
/,2rjJ#b if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
;'0=T0\ {
1Ipfw e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Xh
F_] this.style.color=’buttontext’;this.style.cursor=’default’;");
%Ds+GM- e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Ab2Q
\+, }
I-kWS4 "u492^ !X]8dyW 8.关于日期格式
1y(UgEg 8PBvV[ 日期格式设定
Z+4D.bA DataFormatString="{0:yyyy-MM-dd}"
T7[NcZ:I yz8jU*H 我觉得应该在itembound事件中
$,ikv?"L e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Z.1>
kZ 6@V~0DG 9.获取错误信息并到指定页面
G69GoT >P=Q #;v 不要使用Response.Redirect,而应该使用Server.Transfer
rzUlO5?R= y t5H oy e.g
-DjJ",h( $ // in global.asax
rS7)6h7(7 protected void Application_Error(Object sender, EventArgs e) {
v-Qmx-N if (Server.GetLastError() is HttpUnhandledException)
r^1+cwy/7P Server.Transfer("MyErrorPage.aspx");
X!>eiYK) S\*`lJzPM //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
|ZiC`Nt }
%S \8. `\CVV*hP 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
SwW['c'*]B b?T 10.清空Cookie
fQdK]rLj Cookie.Expires=[DateTime];
t~hTp K* Response.Cookies("UserName").Expires = 0
Mxl]"?z =r9r~SR# 11.自定义异常处理
KC#/Z2A|< //自定义异常处理类
Kr-G{b_Pp using System;
WQ6"0*er using System.Diagnostics;
!)pdamdA O9"/
kmB namespace MyAppException
Uz
dc {
aG%,cQ 1 /// <summary>
'e!J06 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
JSr$-C
fH /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Qdf=XG5 /// </summary>
mJ}opy!{; public class AppException:System.ApplicationException
k[kju%i4 {
._PzYE|m2 public AppException()
u0Nm.--;_3 {
Wl-<HR!n if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
}`\/f }
eOI (6U! `5~3G2T public AppException(string message)
rsXq- Pq* {
p B;3bc LogEvent(message);
5d\q-d }
!?!C'-ps 5ZY<JA3 public AppException(string message,Exception innerException)
ye}p~& {
>e,mg8u6$ LogEvent(message);
ep/Y^&$M if (innerException != null)
5jxQW
; {
ZJ*g))k7 LogEvent(innerException.Message);
'#/G,%m<!i }
kgi>}
% }
[U/(<?F{( %w7pkh, //日志记录类
|r%D\EB using System;
OEx^3z^ using System.Configuration;
hC <O`|lF using System.Diagnostics;
v<Kmq-b using System.IO;
U}k9 Py using System.Text;
E&$yuW^z using System.Threading;
Yz$3;
$%R$G`.KM namespace MyEventLog
&<RpWA k{ {
~m^ #FJu /// <summary>
26vp1 /// 事件日志记录类,提供事件日志记录支持
{gbn/{ /// <remarks>
L;Z0`mdz /// 定义了4个日志记录方法 (error, warning, info, trace)
:Bu2,EL*O /// </remarks>
L|@y&di /// </summary>
qqrq11W public class ApplicationLog
e[_m<e {
E.|-?xQ6 /// <summary>
YH&bD16c3 /// 将错误信息记录到Win2000/NT事件日志中
c(;a=n(E# /// <param name="message">需要记录的文本信息</param>
DwHF[]v' /// </summary>
YuZ"s55zU{ public static void WriteError(String message)
N-
H^lqD {
l 'DsZ9y@2 WriteLog(TraceLevel.Error, message);
3"n\8#X{ }
,L bBpi=TJ +l3=3 /// <summary>
.
\ /// 将警告信息记录到Win2000/NT事件日志中
10!wqyj& /// <param name="message">需要记录的文本信息</param>
,<BbpIQ2o /// </summary>
^j#rZ;uc
public static void WriteWarning(String message)
YQJ==C1 {
yeDsJ/L WriteLog(TraceLevel.Warning, message);
K*UgX(xu4P }
#jA[9gWI a<}#HfC;' /// <summary>
]0hrRA` /// 将提示信息记录到Win2000/NT事件日志中
Mj[f~ /// <param name="message">需要记录的文本信息</param>
B(xN Gs /// </summary>
>{\7&}gz public static void WriteInfo(String message)
)XcOl7XLN {
%NL^WG: WriteLog(TraceLevel.Info, message);
;bHV }
_=CZR7:O /// <summary>
!aO` AC=5u /// 将跟踪信息记录到Win2000/NT事件日志中
^WBuMCe /// <param name="message">需要记录的文本信息</param>
9z)5Mdf1j /// </summary>
w?kJ+lmOQy public static void WriteTrace(String message)
U!U$x74D5 {
sBrI}[oyx WriteLog(TraceLevel.Verbose, message);
{ZY+L;eg1 }
ZaNQpH. U- )i+}Ng /// <summary>
{43>m)8+ /// 格式化记录到事件日志的文本信息格式
Y%`xDI /// <param name="ex">需要格式化的异常对象</param>
Uf}\p~; /// <param name="catchInfo">异常信息标题字符串.</param>
C4TE-OM8 /// <retvalue>
s(X;Eha /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
UfS%71l.$ /// </retvalue>
p+)Y Tzzc /// </summary>
3U_2! zF3_ public static String FormatException(Exception ex, String catchInfo)
V< k8N^ {
C8z{XSo StringBuilder strBuilder = new StringBuilder();
o,|[GhtHqs if (catchInfo != String.Empty)
[1.+HyJ} {
@v}/zS strBuilder.Append(catchInfo).Append("\r\n");
UTXSeNP }
\=_{na_ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Y ')x/H return strBuilder.ToString();
0}_[DAd6 }
!%$`Eq)M^7 qucq,Yw /// <summary>
L:@7tc. /// 实际事件日志写入方法
+\v?d&.f0 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
pb~pN /// <param name="messageText">要记录的文本.</param>
dAy?EO0\7 /// </summary>
Q-1vw6d private static void WriteLog(TraceLevel level, String messageText)
)7h$G-fe {
rRFhGQq1m try
6{txm+U {
itC-4^ EventLogEntryType LogEntryType;
)"pF R4 switch (level)
uu`G 2[t {
F_CYYGZ case TraceLevel.Error:
72'5%*1 LogEntryType = EventLogEntryType.Error;
pR~U`r5z break;
iX)%Q case TraceLevel.Warning:
CHz+814 LogEntryType = EventLogEntryType.Warning;
&RfC"lc break;
ocs+d\ case TraceLevel.Info:
1dK*y'rx LogEntryType = EventLogEntryType.Information;
AM!G1^c break;
=Q\r?(Iy case TraceLevel.Verbose:
rS;Dmm LogEntryType = EventLogEntryType.SuccessAudit;
7Hs%Cc" break;
EY tQw(!Q default:
I'LnI* LogEntryType = EventLogEntryType.SuccessAudit;
1')%`~ break;
t<#h$}=:Vt }
b9!FC$^J 6Oy$gW) EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
)rC6*eR //写入事件日志
<)3u6Vky9 eventLog.WriteEntry(messageText, LogEntryType);
0=?<y'= @Z12CrJ }
=zz~kon9 catch {} //忽略任何异常
#"B\UN }
:8OZ#D_Hl } //class ApplicationLog
pej|!oX }
4T ~} ml+; Rmvb 12.Panel 横向滚动,纵向自动扩展
%
yw?s0 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
a24"yT sfNE68I2 13.回车转换成Tab
!4X
f~P <script language="javascript" for="document" event="onkeydown">
I"ok&^t^} if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
f.9SB
event.keyCode=9;
R#I0|;q4|p </script>
1]p ZrBh"E ZusEfh? onkeydown="if(event.keyCode==13) event.keyCode=9"
P(f0R8BE I "A_b}~*} 14.DataGrid超级连接列
GaK-t*Q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
e7sp =I, j-lfMEa$o 15.DataGrid行随鼠标变色
%4gg@Z9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;'cN<x)%| {
6}FP if (e.Item.ItemType!=ListItemType.Header)
Jt}Bpg!J {
85LAYaw e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
z62;cv e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
j3{D^|0bP }
C@'h<[v`1v }
N u<_} `)_dS&_\ 16.模板列
q-}Fvel u <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
qm"rY\: <ITEMTEMPLATE>
Q|#W#LV,K <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
q!|*oUW </ITEMTEMPLATE>
$}!p+$ </ASP:TEMPLATECOLUMN>
?j"KV_ ?B2] -+Y <ASP:TEMPLATECOLUMN headertext="选中">
E2Q[ZoVS <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
!1$])VQWI <ITEMTEMPLATE>
4b98KsYg <ASP:CHECKBOX id="chkExport" runat="server" />
$\X[@E S0 </ITEMTEMPLATE>
~?K ~L~f5 <EDITITEMTEMPLATE>
0.8 2kl <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)-a'{W/t </EDITITEMTEMPLATE>
&E.^jR~* </ASP:TEMPLATECOLUMN>
n(;|q&3 tFp Ygff< 后台代码
s~5[![1
K protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
K<>oa[B9 {
XovRg, //改变列的选定,实现全选或全不选。
YS/Yd[ e CheckBox chkExport ;
nU7>uU if( CheckAll.Checked)
v>Q#B {
\1D<!k\S foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
RO 4Z?tz {
e4?>- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_( {hc+9p chkExport.Checked = true;
Vf]
"L.G }
A#EDkU,
}
t/VD31 else
onz?_SAW {
snobT Q foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
`4=^cyt+ {
1_PoqD!q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;:\<gVi: chkExport.Checked = false;
>\KNM@'KI }
u{['<r;I }
1Q<^8N)pf }
(k5We!4[1 0i!uUF 17.数字格式化
D1zBsi94D p@xf^[50k 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
\Q0[?k <%#Container.DataItem("price","{0:¥#,##0.00}")%>
2mVD_ s[` Enum/O5 int i=123456;
%4et&zRC string s=i.ToString("###,###.00");
J^SdH&%Z a_f~N1kq 18.日期格式化
4|riKo) E8$20Ue 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
/Z'L^L%R K|zZS%?$ 显示为: 2004-8-11 19:44:28
9K{%vK 47+&L 我只想要:2004-8-11 】
JtYP E? <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
IzikDc10 )dbB=OZ 应该如何改?
;oW6 NJ <D<4BnZ( 【格式化日期】
,(d)Qg Wbr|_W 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
\^L`7cBL sFT.Oxg< 【日期的验证表达式】
>,gg5<F-E >s>1[W @* A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
52:HNA\E/ ^((\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})))?$
m0ER@BXRn 3er nTD*` B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$HHs ^tW ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
1+szG1U= =RA / 【大小写转换】
b6nsg| HttpUtility.HtmlEncode(string);
}()5"QB HttpUtility.HtmlDecode(string)
y"bByd|6 n0r+A^] 19.如何设定全局变量
[Dk=? + KHe=O1 %QO Global.asax中
*X'Y$x>f adCU61t Application_Start()事件中
`^u>9v-+' K28+]qy[ 添加Application[属性名] = xxx;
ALrw\qV }\tdcTMgS 就是你的全局变量
v- T$:cL ;X?}x%$ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
1O/+8yw R;s?$;I HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
l~c@^! sGyeb5c 【ASPNETMENU】点击菜单项弹出新窗口
b LlKe50 G_;)a]v8) 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
UK595n;P <?xml version="1.0" encoding="GB2312"?>
_"?.! <MenuData ImagesBaseURL="images/">
%<k2#6K <MenuGroup>
Gw>^[dmt! <MenuItem Label="内参信息" URL="Infomation.aspx" >
FQu8vwV6> <MenuGroup ID="BBC">
xSktg]u Se <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
m+`fn;* <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
w~(1%p/ ......
.L9j>iP9 * mg^I=kpk 最好将你的aspnetmenu升级到1.2版
~zHjMo2 S^-DK~Xt4 21.读取DataGrid控件TextBox值
0Vlk;fIh foreach(DataGrid dgi in yourDataGrid.Items)
Lm*e5JnV {
F"&~*m^+ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[B+yyBtx tb.Text....
JJP08oP }
S>h;K` 15%w 8u 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
H5DC[bZMb% Bc+w+ 〖思归〗
qaY1xPWz" <asp:TemplateColumn HeaderText="数量">
veMH <ItemTemplate>
/qMG=Z <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
"@%7 -nu onkeyup="javascript:DoCal()"
0H6(EzN />
?oVx2LdD| M2
,YsHt
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%-)H^i~]% </ItemTemplate>
)2Wi`ZT </asp:TemplateColumn>
7|{}\w(I ;nep5!s;< <asp:TemplateColumn HeaderText="单价">
vMA]j>> <ItemTemplate>
wN@oYFoL <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
2/vMoVT, onkeyup="javascript:DoCal()"
-=%@L&y1 />
QqFR\6 (\\eo <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
r[2ILe v=0(~<7B </ItemTemplate>
GR&z, </asp:TemplateColumn>
.:@Ykdm4I fKeT,U`W <asp:TemplateColumn HeaderText="金额">
'C`U"I <ItemTemplate>
_7H7
dV <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
!k6K?xt </ItemTemplate>
DnC{YK </asp:TemplateColumn><script language="javascript">
E)TN,@% function DoCal()
6VS4y-N {
wP6Fl L var e = event.srcElement;
QN
#U)wn: var row = e.parentNode.parentNode;
J3e96t~u var txts = row.all.tags("INPUT");
Wi*.TWz3 if (!txts.length || txts.length < 3)
Gr7=:+0n|P return;
e5* ni/P S]bmS6# var q = txts[txts.length-3].value;
iL7DRQ1 var p = txts[txts.length-2].value;
R9'b-5q h}*/Ge]aM if (isNaN(q) || isNaN(p))
/j4P9y^]= return;
".W8) <vUbv q = parseInt(q);
Z3#P,y9@ p = parseFloat(p);
KV}FZ3jY qs1 ?IYD txts[txts.length-1].value = (q * p).toFixed(2);
mtJ9nC }
syWG'(> </script>
!ipR$ dM \?Z{hmN 6hlc1? ukIQr/k o^^rJk 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。
v>$'iT~ l page_load
>hPQRd page.smartNavigation=true
x.f]1S7h[ fI{E SXU 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
tasIDoo+!J private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
K@sV\"U(*E {
,24p%KJ*X for(int i=0;i<e.Item.Cells.Count-1;i++)
}@;ep&b* if(e.Item.ItemType==ListItemType.EditType)
UELy"z
R {
Hc>m;[M)l e.Item.Cells.Attributes.Add("Width", "80px")
gG]Eeu+z
}
H| 8Qp* }
>d,jKlh^.% 6A>dhU 26.对话框
b6Wqr/ private static string ScriptBegin = "<script language=\"JavaScript\">";
byLft1 private static string ScriptEnd = "</script>";
b:Wm8pp? xCg52zkH# public static void ConfirmMessageBox(string PageTarget,string Content)
ox(j^x]NC {
<}E!w_yi string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
pnjXf.g"O C1jHz ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
/DK"QV!]s mzeY%A<0^ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
v-#Q7T ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
#pb92kA' //Response.Write(strScript);
e4!:c^? }
X' d9[). )\eI;8 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%+j8["VEC L W[9 1.1 取当前年月日时分秒
m;'6MHx; currentTime=System.DateTime.Now;
()5[x.xK@ X;i~<Tq 1.2 取当前年
EH256f(& int 年= DateTime.Now.Year;
gu0j.XS^ \9cG36 1.3 取当前月
eM$s v9? int 月= DateTime.Now.Month;
[Jogt#Fj ] 0vtt"f)Y[ 1.4 取当前日
%/|9@e r int 日= DateTime.Now.Day;
W+PJZn }
ud0&Oe{ 1.5 取当前时
kMb}1J0i" int 时= DateTime.Now.Hour;
h-G)o[MA #
WAZ9,t 1.6 取当前分
YE|SKx@ int 分= DateTime.Now.Minute;
Tw""}|] g F({HP)9b 1.7 取当前秒
Fh`~`eog int 秒= DateTime.Now.Second;
/W>iJfx $oj:e?8N 1.8 取当前毫秒
#~7ip\Uf[ int 毫秒= DateTime.Now.Millisecond;
Bwa'`+bC KVn []@# 28.自定义分页代码:
PcA2/!a )TVFtI=,NN 先定义变量 :
mS~o?q-n public static int pageCount; //总页面数
*v9 2 public static int curPageIndex=1; //当前页面
j6Yy6X] K
P Oa|$ 下一页:
yf[~Yl>Ogw if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
|y0(Q V {
CDP
U\ZG DataGrid1.CurrentPageIndex += 1;
{OXFN;2 curPageIndex+=1;
L1cI`9 }
ZUoxMm
\6R,Nq bind(); // DataGrid1数据绑定函数
I aGq]z y~q8pH1
上一页:
T)H{ if(DataGrid1.CurrentPageIndex >0)
H5Z$*4%G {
P*FMwrJj>r DataGrid1.CurrentPageIndex += 1;
IF44F3(V4 curPageIndex-=1;
syaPpM
Q- }
nm6h%}xND< ~]nSSD)\ bind(); // DataGrid1数据绑定函数
f"%{%M$K +y&Tf#.V/A 直接页面跳转:
y%%}k int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
bgK'{_o- 7R6ry(6N if(a<DataGrid1.PageCount)
l)Crc-:}4j {
^; )8VP6 this.DataGrid1.CurrentPageIndex=a;
gP0LCK> }
Bj1?x {]%0lf: bind();
L&u$t}~) @cFJeOC| 29.DataGrid使用:
czS+<
w S7/eS)SQR 添加删除确认:
uTKD 4yig private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2QJ{a46} {
,N!o foreach(DataGridItem di in this.DataGrid1.Items)
2E}*v5b, {
P_*" dza if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
_V7r1fY: {
umt.Um.m2 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#,":vr }
j$?{\iXZ }
C-\S/yd }
;<j0f~G` yCVI\y\B 样式交替:
i*/Yz*< ListItemType itemType = e.Item.ItemType;
D/vOs[X
o, NT e5 if (itemType == ListItemType.Item )
8B\2Zfe {
^(f"v
e#7v e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
^/\Of{OZ- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
PH+S};Uxv }
B{'( L| else if( itemType == ListItemType.AlternatingItem)
VJickXA {
{<R2UI5m5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
8,?h~prc e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
{q`jDDM }
+yk24
`> g*03{l#P 添加一个编号列:
6L"%e!be6 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Z0Vl+ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
|mGFts}0o' $}>+kHoT{ for(int i=0;i<dt.Rows.Count;i++)
+@p%
p {
W-?()dX{ dt.Rows["number"]=(i+1).ToString();
E5I"%9X0H }
h*w%jdQ6 !4XOy B DataGrid1.DataSource=dt;
}:us:% DataGrid1.DataBind();
@?yX!_YC ]yK7PH-{L DataGrid1中添加一个CheckBox,页面中添加一个全选框
18+)`M-5o private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
eZIhEOF {
AiEd!u. foreach(DataGridItem thisitem in DataGrid1.Items)
~Y|*`C_) {
GP?M!C,/}k ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
DU5c=rxW }
[AYOYENp- }
k1{K*O$e wt!nMQ 将当前页面中DataGrid1显示的数据全部删除
/s@o Z{h foreach(DataGridItem thisitem in DataGrid1.Items)
VyzS^AHK {
[RLN;(0n if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
=5/9%P8j9 {
8<8:+M} string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
pTPi@SBaP{ Del (strloginid); //删除函数
lI *o@wQg }
!F A] }
x:),P-~w m[~V/N3 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)
b:lP%|7 jL%x7?*U0 在Application_Start中添加以下代码:
8Kg n"M3 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
*h!28Ya(~ AppSettings["ConnStr"].ToString();
r+":' /[x rH_\d?b 31. 变量.ToString()
nqI@Y) eg(6^:z?f 字符型转换 转为字符串
FbS|~Rp~ 12345.ToString("n"); //生成 12,345.00
gW>uR3Ca4 12345.ToString("C"); //生成 ¥12,345.00
9 7GV2]-M 12345.ToString("e"); //生成 1.234500e+004
'gC_)rK* 12345.ToString("f4"); //生成 12345.0000
/fZeWU0W 12345.ToString("x"); //生成 3039 (16进制)
jcuB 12345.ToString("p"); //生成 1,234,500.00%
k5:G-BQ: 9
Vkb>yFX' 32、变量.Substring(参数1,参数2);
Nl^;A><u $ M`hh{ - 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);
M?Dfu
.t DI:]GED"= 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)
NdMb)l)m <SCRIPT language="javascript">
pR(jglm7- <!--
NidIVbT.A function gook(pws)
v|uAzM{73 {
ABQ('#78 frm.submit();
oW ::hB }
s5CXwM6cx //-->
C-Q28lD}f sH{4Y-J </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
1_9<3,7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
j(m.$: <tr>
Fv~20G(O <td>
<0b)YJb4M <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
c~z82iXNO <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
l`oZ)?ur <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
)bS yB29S ~Sj9GxTe <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
sDPs
G5q< <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
|TS>hwkI AL9chYP}/ </td>
~;l@|7wGz ED=V8';D </tr>
XGYbnZ~
h2Ld[xvCu% </form>
)J2mM
gbF+WE 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。
L2\#w<d #M9~L[nFS 下面是获取用户输入的登陆信息的代码:
"I3@m%qv string name;
$"+djI?E9 name=Request.QueryString["EmailName"];
B3We|oe ! #.rdQ,)< try
B<5R {
X{5vXT\/y int a=name.IndexOf("@",0,name.Length);
);#JL0I f_user.Value=name.Substring(0,a);
EK{Eo9l f_domain.Value=name.Substring(a+1,name.Length-(a+1));
]{3)^axW; f_pass.Value=Request.QueryString["Psw"];
.~~nUu+M }
zr-*$1eu tXNm$Cq.| catch
!%CWZZ 6u {
g;pcZ9o Script.Alert("错误的邮箱!");
s'!Cp=xQF" Server.Transfer("index.aspx");
J1( 9QN[w }