1. 打开新的窗口并传送参数:
uwQ4RYz T@vVff 传送参数:
/ TJTu_# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
\'p7,F{:>5 W}=2?vHV= 接收参数:
EvECA,!i string a = Request.QueryString("id");
y4?>5{`W string b = Request.QueryString("id1");
?1412Tq5 @K+u+}
R 2.为按钮添加对话框
>XZq=q]E! Button1.Attributes.Add("onclick","return confirm(’确认?’)");
*v5y]E%aW button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
a9qZI g)p[A 4 3.删除表格选定记录
%##9.Xm6l int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
1^W Aps string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Hd2_Cg FB s~63JDy"E 4.删除表格记录警告
5rcno.~QO private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
(6A{6_p {
rpXw 8 switch(e.Item.ItemType)
rvfl~<G* {
Z'j<wRf case ListItemType.Item :
*l9Y]hinq case ListItemType.AlternatingItem :
d*AV(g#B case ListItemType.EditItem:
1)Ag|4 TableCell myTableCell;
q;AQ6k( myTableCell = e.Item.Cells[14];
v0xi(Wu LinkButton myDeleteButton ;
6R,;c7Izhd myDeleteButton = (LinkButton)myTableCell.Controls[0];
9,>M/_8> myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#M>E{w9 break;
bQeYFY#^ default:
0yZw`|Zh[ break;
"yz@LV1 }
9q5[W=| .s9Iymz }
$fn^i. 4C[gW 5.点击表格行链接另一页
JC+VG;kcs private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
w'eenIX^^ {
QMsnfG //点击表格打开
EPg?jKZava if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
e,4G:V'NX e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
F3f>pK5 }
Bh.'%[', h7w<.zwu
t 双击表格连接到另一页
U!`'Qw; *K 7L5. 在itemDataBind事件中
(l^lS=x if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:Oj+Tc9A {
l00D|W_9 string OrderItemID =e.item.cells[1].Text;
@kK=|(OB' ...
s1FBz)yCY= e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
D|BN_ai9 }
/>oU}m"k N1-LM9S 双击表格打开新一页
>@|<1Fx| if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-Tt}M#W {
$k?L?R1 string OrderItemID =e.item.cells[1].Text;
>*(>%E~H ...
~@O4>T+VW e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
. =5Jpo }
iUKj:q: YsDl2P ★特别注意:【?id=】 处不能为 【?id =】
{!S/8o"] 6.表格超连接列传递参数
.edZKmC6 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
M#p,Z F <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
'GyPl =1(BKk> 7.表格点击改变颜色
Ij8tBT?jlL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
CG7LF {
",+uvJT1O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
93dotuF this.style.color=’buttontext’;this.style.cursor=’default’;");
S.jjB }
@W,Y_8: IY:O? M 写在DataGrid的_ItemDataBound里
;0*^9 8K if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
!RD,:\5V {
D^~gq`/) e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{MtB!x this.style.color=’buttontext’;this.style.cursor=’default’;");
^`7t@G$ D e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
t<7WM'2<y }
7AiCQWf9 [ bW=>M 3{z|301<m 8.关于日期格式
r?TK@^z }M9al@" 日期格式设定
{Vm36/a DataFormatString="{0:yyyy-MM-dd}"
i<?4iwX%i* 6.jZy~ 我觉得应该在itembound事件中
Hn~1x'$ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6b|`[t E~P0}' 9.获取错误信息并到指定页面
gK( 4<PO' !O-+h0Z 不要使用Response.Redirect,而应该使用Server.Transfer
@FV;5M:I .g~@e_;): e.g
a\w|tf // in global.asax
\2,18E protected void Application_Error(Object sender, EventArgs e) {
-(.7/G'Vk> if (Server.GetLastError() is HttpUnhandledException)
57>ne)51 Server.Transfer("MyErrorPage.aspx");
_ XZ=4s h"ylpv+ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
OKVYpf }
<&2,G5XA =1VH5pVr} 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
gT
OMD lo: ~~l 10.清空Cookie
c5R{Sl Cookie.Expires=[DateTime];
yh:,[<q Response.Cookies("UserName").Expires = 0
cZ >W8{G L'Zud,JKg 11.自定义异常处理
3c3Z"JV //自定义异常处理类
3Y-v1.^j using System;
nS4S[|w" using System.Diagnostics;
E2IV R]C2^ q1Sm#_7 namespace MyAppException
}D+8K {
zf~zYZSr /// <summary>
7
L\? /// 从系统异常类ApplicationException继承的应用程序异常处理类。
to 6Q90( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
y7OG[L/ /// </summary>
&*aU2{,s,; public class AppException:System.ApplicationException
T6$<o\g' {
cloI 6%5r public AppException()
~PnpYd<2 {
J"rwWIxO* if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
uN
62> }
%Z yPK,(" 1,QZnF!.x public AppException(string message)
29^bMau)v {
3L?a4,Q"k} LogEvent(message);
GuWBl$|+b }
fm>K4\2 ]F;]<_ public AppException(string message,Exception innerException)
2hJ3m+N^ {
QtQ^"d65 LogEvent(message);
ssITe.,ny if (innerException != null)
>` QX
xTn {
g{hA,-3 LogEvent(innerException.Message);
[Z\1"m }
+3>/,w(x }
x
5Dt5Yp"o {Ch"zuPX //日志记录类
F |81i$R using System;
"v!HKnDT using System.Configuration;
v6?\65w,| using System.Diagnostics;
m1i+{(( using System.IO;
yQ{_\t1Wd using System.Text;
R"gm]SQ/ using System.Threading;
P&0cF{ lhl0 namespace MyEventLog
Ko)T>8: {
.oj" ru /// <summary>
43=-pyp /// 事件日志记录类,提供事件日志记录支持
?]D+H%3[$i /// <remarks>
o%PoSZZ /// 定义了4个日志记录方法 (error, warning, info, trace)
Z4ov /// </remarks>
So%1RY{) /// </summary>
G@EjWZQ public class ApplicationLog
sFCs_u1tNN {
FR^wDm$ /// <summary>
( L\G!pP. /// 将错误信息记录到Win2000/NT事件日志中
*/dh_P<Yj /// <param name="message">需要记录的文本信息</param>
l=~99mE /// </summary>
9c}]:3#XO public static void WriteError(String message)
AJlIA[Kt: {
)|R0_9CLV WriteLog(TraceLevel.Error, message);
;To+,`?E;q }
":#x\; >m6,xxTR /// <summary>
GnrW{o /// 将警告信息记录到Win2000/NT事件日志中
a 8hv .43 /// <param name="message">需要记录的文本信息</param>
;:\,x /// </summary>
Y_3YO2K] public static void WriteWarning(String message)
Ox*T:5 {
sFM>gG WriteLog(TraceLevel.Warning, message);
?Wz(f {Hm }
YZ:'8< RyQ\5^z /// <summary>
?Gv!d /// 将提示信息记录到Win2000/NT事件日志中
~uZLe\>K /// <param name="message">需要记录的文本信息</param>
9
roth /// </summary>
$CwTNm? public static void WriteInfo(String message)
hPi
:31-0 {
|XA aKZA WriteLog(TraceLevel.Info, message);
FlA\Ad;v }
WlRZ|. /// <summary>
CE7pg&dJ)i /// 将跟踪信息记录到Win2000/NT事件日志中
K6yFpVl /// <param name="message">需要记录的文本信息</param>
m>-^K /// </summary>
"ko?att~ public static void WriteTrace(String message)
L5qCv -{ {
9k+&fyy WriteLog(TraceLevel.Verbose, message);
t k/K0u }
))69a a2=uM}Hsp /// <summary>
O$umu_ /// 格式化记录到事件日志的文本信息格式
$h]Y<&('G /// <param name="ex">需要格式化的异常对象</param>
g9weJ6@}M /// <param name="catchInfo">异常信息标题字符串.</param>
-G<2R"Q#N /// <retvalue>
>7(~'#x8A" /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
(zw=qbS& /// </retvalue>
XG\a-dq[ /// </summary>
;'Vipj public static String FormatException(Exception ex, String catchInfo)
)3` {
V.QzMF"o StringBuilder strBuilder = new StringBuilder();
mA] 84zO if (catchInfo != String.Empty)
?ZuD
_L-i {
>upXt? strBuilder.Append(catchInfo).Append("\r\n");
hKzBq*cV }
xlPcg7 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
w{zJE]7 return strBuilder.ToString();
&b@!DAwAJ }
b6WC@j`*T sRe#{EuJ /// <summary>
"U5Ln2X{J /// 实际事件日志写入方法
.t^UK#@#4 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
r@ T-Hi /// <param name="messageText">要记录的文本.</param>
[;IDTo!<> /// </summary>
X.T\=dm%v private static void WriteLog(TraceLevel level, String messageText)
%M;_(jda {
Ky'3z" try
1y)$[e
{
eA*Jfb EventLogEntryType LogEntryType;
v-7Rb)EP switch (level)
rz[uuY7 {
EDgob^> case TraceLevel.Error:
8W1K3[Jj< LogEntryType = EventLogEntryType.Error;
.y;\puNq break;
9OQ0Yc!3 case TraceLevel.Warning:
kP}hUrDX5 LogEntryType = EventLogEntryType.Warning;
Fyh?4!/. break;
2*-ENW2 case TraceLevel.Info:
yjOu]K:X LogEntryType = EventLogEntryType.Information;
1W}nYU break;
kh>SrW]B% case TraceLevel.Verbose:
\\2k}TsB LogEntryType = EventLogEntryType.SuccessAudit;
g@k#J"Q'[ break;
,2
g M- default:
]4 K1%ZV LogEntryType = EventLogEntryType.SuccessAudit;
.n)!ZN break;
az\<sWb# }
S-M)MCL =mi:<q EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
aX[1H6&=7 //写入事件日志
I4o=6ts eventLog.WriteEntry(messageText, LogEntryType);
I", &%0ycm fOK+DT~ }
Re kb?|{z
catch {} //忽略任何异常
f- k|w%R@ }
:Er^"9'A2 } //class ApplicationLog
_\4` }
t> x-1vf% c4ZuW_&: 12.Panel 横向滚动,纵向自动扩展
k"q!|+&Fs <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
l}Q"Nb) mX<Fuu}E*Z 13.回车转换成Tab
O2`oe4."vd <script language="javascript" for="document" event="onkeydown">
I9[1U if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
w'oo-.k event.keyCode=9;
bVa+kYE </script>
.)"_Q/q
MG7 ?N # onkeydown="if(event.keyCode==13) event.keyCode=9"
<THZ2`tTK3 ()QOZ+x_! 14.DataGrid超级连接列
,]PyDq6 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
(|0.m8D~D sJ))<,e5I 15.DataGrid行随鼠标变色
"*++55 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W_[|X}lWP {
P"(z jG9- if (e.Item.ItemType!=ListItemType.Header)
ia%z+:G {
w(76H^e e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Vs#"SpH{' e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
jOUK]>ox: }
==QWwPpA }
s<[A0=LH !c3```* 16.模板列
EMVk:Vt] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
1R0ffP] <ITEMTEMPLATE>
r\$6'+Si <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
_iG2J&1'L </ITEMTEMPLATE>
tigT@!`$Y </ASP:TEMPLATECOLUMN>
J>rka]* 9R9__w; <ASP:TEMPLATECOLUMN headertext="选中">
"+=Pp <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
L'zE<3O'3 <ITEMTEMPLATE>
uije#cj#O <ASP:CHECKBOX id="chkExport" runat="server" />
y[:
~CL </ITEMTEMPLATE>
/@ y;iJk; <EDITITEMTEMPLATE>
si_W:mLF{a <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
c |>=S)| </EDITITEMTEMPLATE>
21r==
H$ </ASP:TEMPLATECOLUMN>
T vrk^! (GCG/8s 后台代码
Iz
DG&c protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
?Bo?JMV {
9n1ZVP.ag //改变列的选定,实现全选或全不选。
s}6+8 fE" CheckBox chkExport ;
^_v[QV if( CheckAll.Checked)
b2N6L2~V {
=96G8hlT foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
`E@kFJ(<On {
>~_Jq|KBB chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
N_ UQ chkExport.Checked = true;
'T\dkSJv;V }
{Fbg]'FQ }
JPEIT else
(a[.vw^g {
|,b2b2v? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X0`j-*,FX {
pz{'1\_+9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
i3#'*7f%j chkExport.Checked = false;
74+A+SK[ }
#ZJMlJ:q`" }
!xu9+{- }
#%:c0= H$!+A 17.数字格式化
MaO"#{i F@Q^?WV 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
s=Df ` <%#Container.DataItem("price","{0:¥#,##0.00}")%>
CK0l9#g t2-
^-g6 int i=123456;
ks*Y9D*= string s=i.ToString("###,###.00");
%%%S"$t fiVHRSX60 18.日期格式化
_T5)n=| iib 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Z<U>A
03k?:D+5 显示为: 2004-8-11 19:44:28
d H?
ScXM= X8i(~
B 我只想要:2004-8-11 】
87V1#U ^ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
P`S@n/} glE^t6) 应该如何改?
.m;G$X|3U d--'Rn5 【格式化日期】
JN4fPGbV )}MHx`KT2 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
?<U{{C Md,pDWb 【日期的验证表达式】
.&1C:> "B{ECM; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Wh(
|+rJ?Z ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
t\4[``t L?5f+@0. B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
\(
)#e ^\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]))$
[8XLK 4e 2-'Opu 【大小写转换】
Wht(O~F HttpUtility.HtmlEncode(string);
2;$k(x] HttpUtility.HtmlDecode(string)
6GAaV[])' n6MM5h/#r 19.如何设定全局变量
`_vB+a V0*3;n Global.asax中
c~=B0K- =JS;;PzX[ Application_Start()事件中
WG7k(Sp] nV*y`.+ 添加Application[属性名] = xxx;
9Q;c,] .]x2K-Sf 就是你的全局变量
d$W HYK!}& 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Km#pX1]>e _[K"gu HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
EW<kI+0D 8RW&r 【ASPNETMENU】点击菜单项弹出新窗口
p(F " / 4|?{VQ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
L';MP^ <?xml version="1.0" encoding="GB2312"?>
j*v40mXl`2 <MenuData ImagesBaseURL="images/">
.w?(NZ2~ <MenuGroup>
->^~KVh& <MenuItem Label="内参信息" URL="Infomation.aspx" >
^].jH+7i* <MenuGroup ID="BBC">
nmU_N:Y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
X-LA}YH=tS <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
8eBOr9l+j ......
AK!hK>u` :O<bA&:d 最好将你的aspnetmenu升级到1.2版
{c?JuV4q? #H?t!DU 21.读取DataGrid控件TextBox值
Yap?^&GV foreach(DataGrid dgi in yourDataGrid.Items)
<*!i$(gn {
F>je4S; TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
TjMe?p tb.Text....
mW2,1}Jv }
3.d"rl Uxfl_@lJ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
`;|5 >_dx_<75& 〖思归〗
>T2LEW <asp:TemplateColumn HeaderText="数量">
aI(7nJ=R <ItemTemplate>
1"7Sy3 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
xkNyvqcw onkeyup="javascript:DoCal()"
Rlnbdb;!k />
Zn=T#o kE8>dmH23 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Wz4&7KYY </ItemTemplate>
zya5Jb:Sg </asp:TemplateColumn>
=gfI!w ?"#%SKm <asp:TemplateColumn HeaderText="单价">
QxuhGA <ItemTemplate>
p.I.iAk%G^ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7(M(7}EKA onkeyup="javascript:DoCal()"
w=]Ks'C] />
%W,D;?lEo> X"gCRn%tn <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
&cWjEx O%g$9-?F0 </ItemTemplate>
1g##sSa6 </asp:TemplateColumn>
l0&EZN0V2 b*a2,MiM <asp:TemplateColumn HeaderText="金额">
WwH+E]^e+ <ItemTemplate>
JO=[YoTr <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
WW+l' 6. </ItemTemplate>
] Z8Vj7~ </asp:TemplateColumn><script language="javascript">
HEL!GC># function DoCal()
p4IZ
{
!US d9 var e = event.srcElement;
?D,=37 var row = e.parentNode.parentNode;
(,^*So/ var txts = row.all.tags("INPUT");
.=m,hu~ if (!txts.length || txts.length < 3)
x!\ONF5$ return;
oH0X<' M(#m0xB var q = txts[txts.length-3].value;
u2oKH{/z var p = txts[txts.length-2].value;
ikWtC]y DeR='7n if (isNaN(q) || isNaN(p))
PH"hn] return;
Vpy 2\wZWb DG4d"Jy q = parseInt(q);
#;n+YM">: p = parseFloat(p);
G?f\>QSZ q$1PG+- txts[txts.length-1].value = (q * p).toFixed(2);
]yjl~3 }
^c~)/F/cF </script>
LjL[V'JL f.24:Dw, ~GE$myUT\p =@TQ>Qw%b GgaTn!mJt 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。
rc+C?)S page_load
Ii7QJ:^ page.smartNavigation=true
+,~zWv1v SIBoCs5 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 ?
qV5DW0. private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
E\gim<] {
Kwc6mlw~M for(int i=0;i<e.Item.Cells.Count-1;i++)
XqM3<~$ if(e.Item.ItemType==ListItemType.EditType)
%OgS^_tu {
8M@BG8 e.Item.Cells.Attributes.Add("Width", "80px")
5[j`6l }
P0`Mdk371 }
Z|RY2P>E [ sd;`xk 26.对话框
=^
T\Xs;GK private static string ScriptBegin = "<script language=\"JavaScript\">";
[r/k% < private static string ScriptEnd = "</script>";
hHqh{:q{v 'zh7_% public static void ConfirmMessageBox(string PageTarget,string Content)
npRSE v {
xkOpa,=FI string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
1Bxmm# ~
ihI_q" ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
W2uOR{
'? qY 4#V k Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
d
GP*O ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
tH'2gl //Response.Write(strScript);
#97h6m? }
wf1lyS BB|?1"neg 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
wgd /(8d xeGb?DPu 1.1 取当前年月日时分秒
IHRGw currentTime=System.DateTime.Now;
gk`zA F[ewn/]n 1.2 取当前年
LkQX?2>] int 年= DateTime.Now.Year;
l3 DYg q\H[am 1.3 取当前月
ZoArQ(YFy int 月= DateTime.Now.Month;
sUPz/Z.h ?.Pg\ur 1.4 取当前日
aM4k *|H? int 日= DateTime.Now.Day;
GKcv<G208 Mfv1Os:ST 1.5 取当前时
} (!EuLL int 时= DateTime.Now.Hour;
^wS5>lf7p H:"maS\I 1.6 取当前分
"O(9 m.CZ int 分= DateTime.Now.Minute;
4V~?. fxT-j s#S 1.7 取当前秒
qoAj]
") int 秒= DateTime.Now.Second;
"*})3['n In[Cr/&/Y 1.8 取当前毫秒
m>SErxU(z int 毫秒= DateTime.Now.Millisecond;
H<1WbM:w U#U]Pt 28.自定义分页代码:
VWO9=A*Y| 2YDM9`5xs\ 先定义变量 :
]KJj6xn public static int pageCount; //总页面数
`Qqk<o public static int curPageIndex=1; //当前页面
a. z;t8 gJM`[x`T 下一页:
8n>9;D5n if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
H9CS*|q6r {
be +4junf DataGrid1.CurrentPageIndex += 1;
}*L(;r)q curPageIndex+=1;
HF(KN{0.B }
2,*M|+W~ nMJ#<'v^!2 bind(); // DataGrid1数据绑定函数
%dY<=x#b ) Yd?m0m* 上一页:
a1@Y3MQ;i if(DataGrid1.CurrentPageIndex >0)
ttu&@
= {
~*wk6&| DataGrid1.CurrentPageIndex += 1;
,TFIG^Dvq curPageIndex-=1;
YIjTL!bA" }
&%-73nYw /E\%>wv bind(); // DataGrid1数据绑定函数
_]:z \TDn V5rST + 直接页面跳转:
uS^Ipxe\ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
zE_i*c"` :ijAqfX if(a<DataGrid1.PageCount)
~sXcnxLz {
K1T4cUo this.DataGrid1.CurrentPageIndex=a;
GP#aya }
L+i(TM= r3PT1'P?L bind();
m|G'K[8 9B9(8PVG 29.DataGrid使用:
GmP@;[H" 1Yn
+<I 添加删除确认:
V=*wKuB private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>m$ 1+30X {
FIsyiSY<j foreach(DataGridItem di in this.DataGrid1.Items)
Dg?:/=,=9r {
t)}scf&^x if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
9c("x%nLpB {
l~$+,U&XNe ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
y9Us n8 }
sdo[D }
k1D@fiz }
M"94#.dKK EU+S^SyZi 样式交替:
A nX%[W " ListItemType itemType = e.Item.ItemType;
=UfsL% ?o|f': if (itemType == ListItemType.Item )
=7m)sxj]w {
u@cYw:-C e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
K42K!8$ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
z+n,uHs }
SR|`! else if( itemType == ListItemType.AlternatingItem)
@/ohg0 {
tu66'z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
*(T:,PY e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/$p6'1P8 }
R1$:~p2m rr02pM0 添加一个编号列:
1^}[&ar DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
S;286[oq@ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Rx=>6,)' lUMS;H( for(int i=0;i<dt.Rows.Count;i++)
fUA uqfj[ {
1`qMj0Y_ dt.Rows["number"]=(i+1).ToString();
IvtJ0 }
"ozr+:#\ =V-|#j DataGrid1.DataSource=dt;
x#xFh0CA DataGrid1.DataBind();
?WqT[MnK ,N]H dR DataGrid1中添加一个CheckBox,页面中添加一个全选框
(G;lx private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
VoWNW {
Zy?Hi` foreach(DataGridItem thisitem in DataGrid1.Items)
ij( B,Y {
_C*fs<# ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
>\P@^ h] }
PuA9X[= }
':3pq2{ qGB{7-r u 将当前页面中DataGrid1显示的数据全部删除
f=r<nb'H foreach(DataGridItem thisitem in DataGrid1.Items)
%4,O 2\0?& {
F`XP@Xx if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
"8x8UgG {
xqG[~)~ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
)f[
B6Y Del (strloginid); //删除函数
{E9+WFz5 }
Vk
K }
gM
u"2I5 >_-s8t=| 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)
T?tgdJ e478U$ 在Application_Start中添加以下代码:
8hOk{xs8 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
z<U-#k7nz AppSettings["ConnStr"].ToString();
{GK;63`1 fzb29 - 31. 变量.ToString()
-pf} (_mnB W 字符型转换 转为字符串
}@'$b<!B 12345.ToString("n"); //生成 12,345.00
M "p 12345.ToString("C"); //生成 ¥12,345.00
:8=i kwQ 12345.ToString("e"); //生成 1.234500e+004
`.~N4+SP 12345.ToString("f4"); //生成 12345.0000
QwJVS(Gs4 12345.ToString("x"); //生成 3039 (16进制)
LsqA**= 12345.ToString("p"); //生成 1,234,500.00%
P;=n9hgHI 5cL83FQh 32、变量.Substring(参数1,参数2);
Wuc S:8#| oTU!R , 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
^84G%)`& \o}xF@sM5 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Xx."$l <SCRIPT language="javascript">
nBjqTud
<!--
"pi=$/RD9 function gook(pws)
&=Ar {
*}F3M\ frm.submit();
Q('r<v96 }
!"HO]3-o //-->
(6?9B lH~ H[s(e56z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
V)Z}En["1 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
j"ThEx0 <tr>
0bceI <td>
FcR=v0), <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
|% F=po>w <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
8p^bD}lN7 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
tX9{hC^ ocqU=^ta <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
8{wwd:6 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
BWeA@v oX#Q<2z* </td>
Hu\B"fdS m!|kW{B#A </tr>
"9ZID-~] R@58*c:U( </form>
0t^M3+nc ciFmaM. 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。
aGrIQq/k)% sv: 9clJ 下面是获取用户输入的登陆信息的代码:
s`M9 string name;
!POl;%\ name=Request.QueryString["EmailName"];
,V,`Jf I?h)OvWd try
~+Rc}K {
}\z.)B4, int a=name.IndexOf("@",0,name.Length);
T}Km?d f_user.Value=name.Substring(0,a);
`n#H5Oyn f_domain.Value=name.Substring(a+1,name.Length-(a+1));
In:9\7~jC
f_pass.Value=Request.QueryString["Psw"];
Upc+Ukw }
#^`4DhQ/
1 <>dT64R| catch
=!kk|_0%E {
nim*/LC[: Script.Alert("错误的邮箱!");
3*]eigi) Server.Transfer("index.aspx");
RTvqCp }