1. 打开新的窗口并传送参数:
x&^_c0fn V<D.sd< 传送参数:
7~9S 9 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
1mfs4 {*[\'!d--. 接收参数:
994`ua+ string a = Request.QueryString("id");
%Rz&lh/ string b = Request.QueryString("id1");
~ns7O T(AVlI6 2.为按钮添加对话框
S5KEXnjm Button1.Attributes.Add("onclick","return confirm(’确认?’)");
hj button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]BtbWKJBqe 6}4'E 3.删除表格选定记录
>RPd$('T int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ONx(] string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
O@MGda9_; /c"efnb! 4.删除表格记录警告
Ob}?zl@ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4Y,R-+f {
_2k]3z? switch(e.Item.ItemType)
1^_U;O:I {
iv?gZg case ListItemType.Item :
k=4N(i/s case ListItemType.AlternatingItem :
\ {qI4= case ListItemType.EditItem:
xfy1pS.[: TableCell myTableCell;
a^Tmu myTableCell = e.Item.Cells[14];
|fxA|/s[< LinkButton myDeleteButton ;
0q.Ujm=,z myDeleteButton = (LinkButton)myTableCell.Controls[0];
vohoLeJTj myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
SfJA(v@E break;
N>Eqj>G default:
`(v='$6} break;
O=v#{ [ }
-od!J\KCy fbWFLSm; }
L f"i
! c~{9a_G 5.点击表格行链接另一页
{~h*2n private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+j(d| L\ {
!>BZ6gn5 //点击表格打开
v^)bhIPe; if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+E1I"); e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
JT "B>y> }
vo\fUT@k 2-=\~<) 双击表格连接到另一页
j<2m,~k`V N2oRJ,:B 在itemDataBind事件中
{GKy'/[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b !%hH {
7M<'ddAN string OrderItemID =e.item.cells[1].Text;
`W dD8E ...
5k6mmiaKk e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Z|_K6v/c }
GwG4LIp '"?C4mbSl 双击表格打开新一页
'"<6.,Ae if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=Zu^8 0/ {
/n5F(5< string OrderItemID =e.item.cells[1].Text;
%q!8={J8 ...
T[,/5J e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
FP0G]=ME }
{r>.G7P6 {%VV\qaC ★特别注意:【?id=】 处不能为 【?id =】
[zL7Q^~ 6.表格超连接列传递参数
6ZKsz5:= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JJltPGT~Oa <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
:(a]V"(&Eq e1>aTu@ 7.表格点击改变颜色
!
iptT(2 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%V1Z~HC {
P6 ;'Sza e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Di@GY! this.style.color=’buttontext’;this.style.cursor=’default’;");
4Sm]>%F': }
%r-V2) p.
R2gl1m 写在DataGrid的_ItemDataBound里
3' ~gviI if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B|C/
Rk6? {
+$$$ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
#'-Sh7ycW this.style.color=’buttontext’;this.style.cursor=’default’;");
UK$ms~H e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`6[I^qG". }
^ K7ic,{ %.<H=!$ JOb*-q|y 8.关于日期格式
j:}J}P `%E8-]{uS 日期格式设定
X=6y_^ DataFormatString="{0:yyyy-MM-dd}"
-DN8Yb cFN'bftH4 我觉得应该在itembound事件中
EyI}{6~F e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4-kZJ\] !IC-)C,q 9.获取错误信息并到指定页面
bae\Zk%`^ }<>~sy 不要使用Response.Redirect,而应该使用Server.Transfer
1VF
],ZzI e.g
j,t#B"hOnp // in global.asax
CW)Z[<d8 protected void Application_Error(Object sender, EventArgs e) {
~%/Wupf if (Server.GetLastError() is HttpUnhandledException)
mCs#.%dU Server.Transfer("MyErrorPage.aspx");
&X|<@'933 {TOmv //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
h'i{&mS_b }
zVi15P$ ]l@ qra 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
q;fKcblKj l"{Sm6:;- 10.清空Cookie
X*g(q0N<S Cookie.Expires=[DateTime];
>Jw6l0z Response.Cookies("UserName").Expires = 0
qC_mu)6 8 F2| 11.自定义异常处理
xy8#2 //自定义异常处理类
~
^>417> using System;
Ku/~N# using System.Diagnostics;
~XydQJ^* 9D 0dg( namespace MyAppException
-UZ@G~K {
]&ixhW /// <summary>
7QVuc!V /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Uz608u /// 自动将异常内容记录到Windows NT/2000的应用程序日志
R7s|`\ /// </summary>
F(
Ak public class AppException:System.ApplicationException
'JZJFE7Z {
6AvHavA^Y public AppException()
R#n%cXc| {
R*zO
dxY if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
!j1[$% =# }
Q \]Xm> rVtw-[p public AppException(string message)
@ct+7v~ {
.6m "'m0; LogEvent(message);
]WUC:6x }
T*I?9d{k tu>{ public AppException(string message,Exception innerException)
iB1i/l {
RGIoI]_ LogEvent(message);
BPqGJ7@ if (innerException != null)
[ U8$HQ+x {
1z*kc)=JF8 LogEvent(innerException.Message);
b?Pj< tA }
-h-oMqgu( }
,&7Wa-vf G\/"}B:( //日志记录类
mmEp'E using System;
Q}*y$se! using System.Configuration;
]DvO:tM using System.Diagnostics;
|2`"1gt using System.IO;
H]\Zn%.# using System.Text;
0rokR&Y-d using System.Threading;
9p@C4oen ?/M_~e.P namespace MyEventLog
m7=1%6FN3 {
#FYAV%pi /// <summary>
L{ho*^b /// 事件日志记录类,提供事件日志记录支持
?$z.K>S5 /// <remarks>
!r+IXuqV,! /// 定义了4个日志记录方法 (error, warning, info, trace)
S2C]?6cTq /// </remarks>
p T[gdhc /// </summary>
K"<*a"1I public class ApplicationLog
JR9$.fGJ {
(QB+%2v /// <summary>
tZ2K$!/B /// 将错误信息记录到Win2000/NT事件日志中
u/Fj'*M /// <param name="message">需要记录的文本信息</param>
b8BD8~; /// </summary>
sk2% public static void WriteError(String message)
Y'`"9Db {
7S$&S; WriteLog(TraceLevel.Error, message);
PT9v*3Bq~ }
R4e&^tI@* 8[bkHfI /// <summary>
DF1<JdO+ /// 将警告信息记录到Win2000/NT事件日志中
?Qqd "=k4 /// <param name="message">需要记录的文本信息</param>
va|rO#.= /// </summary>
{13!vS%5 public static void WriteWarning(String message)
Vv*NFJ | {
T~gW3J WriteLog(TraceLevel.Warning, message);
VY+>=! }
!asqr1/ zzZg$9PT[ /// <summary>
]M,06P>? /// 将提示信息记录到Win2000/NT事件日志中
wk\L* \@Y} /// <param name="message">需要记录的文本信息</param>
%do1i W /// </summary>
h4fLl3%H public static void WriteInfo(String message)
\k.vN@K# {
~ eN8|SR WriteLog(TraceLevel.Info, message);
C:\(~D*GS }
$v}<' /// <summary>
Ulqh@CE) /// 将跟踪信息记录到Win2000/NT事件日志中
$_j1kx$ /// <param name="message">需要记录的文本信息</param>
y/_wx(2 /// </summary>
vt]F U< public static void WriteTrace(String message)
}Ia 0"J4 {
H5nS%D WriteLog(TraceLevel.Verbose, message);
^m7~:=K7WG }
3+YbA)i; h ?#@~ /// <summary>
jB@4b'y /// 格式化记录到事件日志的文本信息格式
!rTmR@e$/ /// <param name="ex">需要格式化的异常对象</param>
(:\LWJX0= /// <param name="catchInfo">异常信息标题字符串.</param>
G+"8l!dC? /// <retvalue>
(U87}}/l /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
;RN8\re /// </retvalue>
m-1?\bs /// </summary>
_MYx%Z public static String FormatException(Exception ex, String catchInfo)
;?IT)sNY {
`Y3( ~~YGn StringBuilder strBuilder = new StringBuilder();
}qC SS<a if (catchInfo != String.Empty)
H3 m8 {
3vJ12= strBuilder.Append(catchInfo).Append("\r\n");
d*;$AYI#R }
fk5XvL strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
A%ywj'|z return strBuilder.ToString();
*,#q'!Hq }
I ftxSaP +T_ p8W+j /// <summary>
C|z%P}u#p /// 实际事件日志写入方法
#i@h{R01 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
V 2kWiyN /// <param name="messageText">要记录的文本.</param>
Li`hdrO'ii /// </summary>
)teFS% private static void WriteLog(TraceLevel level, String messageText)
t]m!ee8*X< {
LXhaD[1Rb try
D6=HYqdj {
ZTf_#eS$ EventLogEntryType LogEntryType;
2mJ:c switch (level)
W\ULUK {
mf*Nr0L;J case TraceLevel.Error:
(iDBhC;/B LogEntryType = EventLogEntryType.Error;
G8NRj9k? break;
z g]Drm case TraceLevel.Warning:
/GsrGX8 LogEntryType = EventLogEntryType.Warning;
;9rTE|n break;
lL2-.!]R case TraceLevel.Info:
~Q!~ eTw LogEntryType = EventLogEntryType.Information;
B!q?_[k, break;
`
py}99G case TraceLevel.Verbose:
d 7i#w
# LogEntryType = EventLogEntryType.SuccessAudit;
pv$tTWk break;
S|2VP8xY9 default:
G:Hj;&'2 LogEntryType = EventLogEntryType.SuccessAudit;
MTB@CP!u break;
_'*DT=H'U }
wr@GN8e` b:x7)$( EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
}|He?[TR //写入事件日志
ib50LCm eventLog.WriteEntry(messageText, LogEntryType);
<kc]L x 0_V*B[V }
75(W(V(q catch {} //忽略任何异常
iwz`
x }
M]0^ind } //class ApplicationLog
nL;K|W }
QV)}3pW Gm@iV,F%R 12.Panel 横向滚动,纵向自动扩展
T{ nQjYb? <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
r
}
7:#XQ ib Ue*Z["1 13.回车转换成Tab
F^TAd <script language="javascript" for="document" event="onkeydown">
D%GGu"@GO if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
-R@JIe_28f event.keyCode=9;
,^+#M{Z </script>
2E$i_jc s*{mT6s+T onkeydown="if(event.keyCode==13) event.keyCode=9"
m3%ef LY1KQu Y 14.DataGrid超级连接列
E8;TLk4\ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
*K!7R2Rat M5rwoyn 15.DataGrid行随鼠标变色
(+$ol'i private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;zm
ks] {
):}Fu if (e.Item.ItemType!=ListItemType.Header)
w&+\Wo;([b {
j/`Up e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
US]"4=Zm e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
49y*xMn }
7BrV<)ih{* }
hOSf'mi 6 <r2*` 16.模板列
09x+Tko9;* <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
=u[rOU{X"W <ITEMTEMPLATE>
|<QI%Y$dr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
wjg}[R@! </ITEMTEMPLATE>
${0%tCE </ASP:TEMPLATECOLUMN>
y$v@wb5 2:/u2K <ASP:TEMPLATECOLUMN headertext="选中">
XL?Aw <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Ahd\TH <ITEMTEMPLATE>
x{QBMe` <ASP:CHECKBOX id="chkExport" runat="server" />
IE@ z@+\( </ITEMTEMPLATE>
G#g{3}dcK <EDITITEMTEMPLATE>
rkP4<E-M <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
q'fPNQg </EDITITEMTEMPLATE>
Kd
TE{].d </ASP:TEMPLATECOLUMN>
][rTQt m e7hO;=?b' 后台代码
F42TKPN^uu protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
v?%0~! {
Flne=ij6g //改变列的选定,实现全选或全不选。
uJm #{[ CheckBox chkExport ;
&:C{/QnA if( CheckAll.Checked)
3P3:F2S R {
A@\qoS[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xan/ay> {
&,_?>.\[< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
qU}lGf!dVn chkExport.Checked = true;
3[iSF5%V*p }
^,~N7` }
T:dX4=z else
g8rp|MOH {
Kyyih|{ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
i)GeX: {
nh?9R& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4*YOFU}l chkExport.Checked = false;
L;4[ k;5 }
@\S]]oLn }
@yCW8] }
;7wwY$PBH ;!^ +N 17.数字格式化
./';P<) (v|ixa 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
p"g1V7B <%#Container.DataItem("price","{0:¥#,##0.00}")%>
D8q3TyCj% Rd .U;> int i=123456;
J.*[gt%O| string s=i.ToString("###,###.00");
mQmBf|Rl W{L 18.日期格式化
;`;G/1]#9 Z={D0` 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[..,( >~.Zr3P6kC 显示为: 2004-8-11 19:44:28
?,D>+:: .A )\F ",X 我只想要:2004-8-11 】
0,;E.Py?. <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
d*]Dv,#X d'x<-l9 应该如何改?
xYT#!K1* &e/@yu)x, 【格式化日期】
AB/,S FGV}5L 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
782[yLyv s$js5
ou 【日期的验证表达式】
k,
$I59 4!NfQk>X A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Y]D7i?3N ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
3D]2$a_d r'Hy}HWuF B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
4jDs0Hn" ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
HVtr,jg |LX rGyk^ 【大小写转换】
o+]Y=r2 HttpUtility.HtmlEncode(string);
CpUI|Rs HttpUtility.HtmlDecode(string)
g5lmUKlQ$0 % JgRcx 19.如何设定全局变量
iSSc5ek4 e{^:/WcYB Global.asax中
.Z(S4wV stf,<W Application_Start()事件中
+a7EsR U:s}/to 添加Application[属性名] = xxx;
D[?k ,* Vy?R/
Uu 就是你的全局变量
ccHLL6F{ Sb@{f<3E 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
v_?s1+w owfp^hla HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
B2ek&<I7N :t2 9`x 【ASPNETMENU】点击菜单项弹出新窗口
Z;|0"K
vjOG?- 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
%igFHh? <?xml version="1.0" encoding="GB2312"?>
GInZ53cQ <MenuData ImagesBaseURL="images/">
aF;]7i@ <MenuGroup>
&CB.*\0 <MenuItem Label="内参信息" URL="Infomation.aspx" >
hqhu^.}] <MenuGroup ID="BBC">
1qB!RIau <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
h,!G7V <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
h|(ZXCH ......
1YF+(fk ?.rH;:9To 最好将你的aspnetmenu升级到1.2版
,7n;|1` >z fq*_ 21.读取DataGrid控件TextBox值
s=\LewF1< foreach(DataGrid dgi in yourDataGrid.Items)
[H6X2yjj| {
FUW(>0x? TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
xA[Wb' tb.Text....
X/-
W8 }
+d6Aw}* )vEHLp. 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
uQ)JC7b\ %
K9;
qJ5 〖思归〗
\-$bo=s. <asp:TemplateColumn HeaderText="数量">
:_{{PY0PK <ItemTemplate>
j#Ky0+@V <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
z*NC?\ onkeyup="javascript:DoCal()"
3<e(@W}n-M />
'[M^f+H| H|rX$P <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
uu
WY4j6 </ItemTemplate>
K$37}S5 </asp:TemplateColumn>
o+"0. B t?du+: <asp:TemplateColumn HeaderText="单价">
S|RpA'n <ItemTemplate>
A4 A6F< <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
] dm1Qm onkeyup="javascript:DoCal()"
EMVoTW)z />
=ELDJt xzMeKC` <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
D^N#E>, BST7y4R)BS </ItemTemplate>
Q}=W>|aE. </asp:TemplateColumn>
lJGqR0:r+ :XPC0^4s <asp:TemplateColumn HeaderText="金额">
@aqd'O <ItemTemplate>
uK4'n+_>\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
JA SR </ItemTemplate>
ABq {<2iYN </asp:TemplateColumn><script language="javascript">
T/WmS? function DoCal()
7 BnenHD {
<y\
Z#z var e = event.srcElement;
Y?&DEKFbD var row = e.parentNode.parentNode;
&0th1-OP_ var txts = row.all.tags("INPUT");
4mM2C`I if (!txts.length || txts.length < 3)
YvxMA# return;
1a=9z'8V 3gV&`>@ var q = txts[txts.length-3].value;
ATMogxh var p = txts[txts.length-2].value;
23(E3:. mD ^qx0o< if (isNaN(q) || isNaN(p))
%0~wtZH_! return;
Q~b M #2lvfR| q = parseInt(q);
fbzKO^Ub p = parseFloat(p);
UpszCY4 R+kZLOE txts[txts.length-1].value = (q * p).toFixed(2);
)D"G3g. }
NrI5uC7 </script>
ulPrb>i N?2#YTjR O yH!V&w )v!lP pe8 zV_-rf 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。
QNa}M{5>h page_load
IioE<wS) page.smartNavigation=true
|W~V@n8"6 QGbD=c7 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 ?
{xBjEhQm private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Z$#ZYD {
g+KzlS[6 for(int i=0;i<e.Item.Cells.Count-1;i++)
Rbj+P;t& if(e.Item.ItemType==ListItemType.EditType)
lM|WOmD {
w
/W
Cj4` e.Item.Cells.Attributes.Add("Width", "80px")
fN"oa>X }
-'H+lrmv }
Br ^rK}|l !OZhfMVd 26.对话框
-t~B@% private static string ScriptBegin = "<script language=\"JavaScript\">";
}N#>q.M private static string ScriptEnd = "</script>";
_iboTcUF LA=>g/+i.X public static void ConfirmMessageBox(string PageTarget,string Content)
|IcxegE {
{Y*]Qc string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
d*\C^:Z &TkbnDuYd~ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
<v7KE*# q@MjeGs% Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.e
_D3Xp< ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
D
5 r //Response.Write(strScript);
@;T#+! }
U:P3Z3Y% d-N"m I- 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
gh #w%g1g n0_Az2 1.1 取当前年月日时分秒
z$BnEd.y=: currentTime=System.DateTime.Now;
aWsKJo>j[# Bbt8fJA~ 1.2 取当前年
@6!y(e8"J] int 年= DateTime.Now.Year;
Qqhb]<z H+#wj|,+\ 1.3 取当前月
@aD~YtL"n int 月= DateTime.Now.Month;
a]wcA syNb0LR 1.4 取当前日
;&^"q{m int 日= DateTime.Now.Day;
qn"T?
O ;`of'9| 1.5 取当前时
^? {kj{v int 时= DateTime.Now.Hour;
>ya- vs0H^L 1.6 取当前分
ma-Y' int 分= DateTime.Now.Minute;
pTX'5 ZesD( 1.7 取当前秒
>'|xQjLl int 秒= DateTime.Now.Second;
/L|}Y242 <9@]| 1.8 取当前毫秒
+#JhhW
Zj( int 毫秒= DateTime.Now.Millisecond;
vBn=bb'W SQKY;p 28.自定义分页代码:
S7~F*CGBh w%o4MFK=! 先定义变量 :
8(_g] u#B; public static int pageCount; //总页面数
;=9vmQA public static int curPageIndex=1; //当前页面
XX[Wwt WJSHLy<a 下一页:
s^t1PfP(, if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
&?g!}Ky \ {
CG>2,pP, DataGrid1.CurrentPageIndex += 1;
&N7:k+E curPageIndex+=1;
3F'dT[; }
x>9EVa) +e]b,9.sR bind(); // DataGrid1数据绑定函数
+$=Wms-z OYtus7q< 上一页:
WZ6{(`;#m if(DataGrid1.CurrentPageIndex >0)
&'yV:g3H {
<[5$ {) DataGrid1.CurrentPageIndex += 1;
\HQb#f, curPageIndex-=1;
*-!ndbf }
H6JMN1#t$ Jx9%8Ek bind(); // DataGrid1数据绑定函数
l`%}
{3r9 gcCYXPZp 直接页面跳转:
n`KXJ?t int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~\}EROb< Q
fyERa\rb if(a<DataGrid1.PageCount)
c3!|h1h/v {
^$,kTU'= this.DataGrid1.CurrentPageIndex=a;
SyVbCj }
LLHOWD C(2 ;)]zv\fC bind();
4qz{D"M .z>." ` 29.DataGrid使用:
WAa1H60VkS w@ylRq 添加删除确认:
kJeOlO[ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U1|4vd9 {
c^WBB$v foreach(DataGridItem di in this.DataGrid1.Items)
%=<NqINM[ {
?jm2|: if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
8oH54bFp {
3<lhoD ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
kZ[yv }
Ng39D#_) }
f EiEfu }
+;iesULXn +,^M{^% 样式交替:
:*+BBC ListItemType itemType = e.Item.ItemType;
.F3LA6se %1 ^jd\ if (itemType == ListItemType.Item )
m.a1 {
5a_!& e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
l<:E+lU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
JI,hy
<3l0 }
!X <n:J else if( itemType == ListItemType.AlternatingItem)
kpw4Mq@ {
W!B4<'Fjc e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
wP':B
AQ4U e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2^ZPO4| }
"#k(V=y &