1. 打开新的窗口并传送参数:
8 =<&9TmE PEAo'63$ 传送参数:
wn{DY
v7B response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
'St\$X
{BJn9B 接收参数:
J{5&L &4 string a = Request.QueryString("id");
GCA?sFwo> string b = Request.QueryString("id1");
o4pe>hn {d,~=s0T 2.为按钮添加对话框
olf7L% Button1.Attributes.Add("onclick","return confirm(’确认?’)");
wTY8={p] button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Z\M8DZW8Y 7q _.@J 3.删除表格选定记录
DWRq \`P
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
l+8G6?@]> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
!@-g9z .EoLJHL
} 4.删除表格记录警告
8klu* private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
7~Md6.FtM {
%g*AGu` switch(e.Item.ItemType)
o]*#|4- {
HBnnIbEtF' case ListItemType.Item :
)[hQK_e] case ListItemType.AlternatingItem :
.q7o7J% case ListItemType.EditItem:
|\~!oN TableCell myTableCell;
U*6)/.J myTableCell = e.Item.Cells[14];
-gKo@I LinkButton myDeleteButton ;
mC(q8%/; myDeleteButton = (LinkButton)myTableCell.Controls[0];
o}K!p%5_ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
S+(-k0 break;
Od:,r default:
#\fxU:z~r break;
v81H!c.* }
n$T'gX#5 >w"k:O17
}
CwVORf,uA :Vf :_; 5.点击表格行链接另一页
PKM8MYvo private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9Iod[ x {
Lk|%2XGO& //点击表格打开
nE3'm[) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IvyBK]{| e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
`by\@xQ) }
tZ]/?+1G }[OOkYF#r 双击表格连接到另一页
eO:wx.PW IZkQmA= 在itemDataBind事件中
-?$Hr\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
z!GLug*j` {
qEoa%O string OrderItemID =e.item.cells[1].Text;
?xuhN
G@ ...
#\]:lr{>?4 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
}XiV$[xHd }
.UuCTH;6` n^AQ!wC 双击表格打开新一页
2& l~8, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
zLxO\R!d {
"NamP\hj string OrderItemID =e.item.cells[1].Text;
[nam H a ...
X_eh+>D e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
=i/7&gC }
}t[?g)"M#- Y&Sk/8 ★特别注意:【?id=】 处不能为 【?id =】
VY5/C;0^h 6.表格超连接列传递参数
KPOr8=Rc <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
_cY!\' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
TYQ7jt0=.- 67/&.d! 7.表格点击改变颜色
S=o1k if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
S6r$n {
q >|:mXR e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
n~g,qEI;<x this.style.color=’buttontext’;this.style.cursor=’default’;");
<QyJJQM }
*c+Kqz- #q"^6C
5 写在DataGrid的_ItemDataBound里
KU> $=Rd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2%'iTXF {
Xk_xTzJ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
!kl9X-IiI this.style.color=’buttontext’;this.style.cursor=’default’;");
SWYIQ7* e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
;:[!I ]E0 }
y%21`y&Os q7
;TdQ w7?&eF(w( 8.关于日期格式
&ESE?{of) ]iyJ>fC 日期格式设定
ESl-k2 DataFormatString="{0:yyyy-MM-dd}"
G02(dj |[tlR`A $ 我觉得应该在itembound事件中
PyD'lsV
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
vPn( ~d_ CVh^~!"7j 9.获取错误信息并到指定页面
6p
X[m{ 4{h?!Z* 不要使用Response.Redirect,而应该使用Server.Transfer
<303PPX^6 Ccw6,2`& e.g
s 9,?"\0Zm // in global.asax
9~^%v zM protected void Application_Error(Object sender, EventArgs e) {
n y7G if (Server.GetLastError() is HttpUnhandledException)
8Q&hhmOnz Server.Transfer("MyErrorPage.aspx");
wr/Z)e =^3 ][|)qQ%V //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
meHAa` }
]E1aIt 0B^0,d(s 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
CF`tNA3fxm Lzzf`jN] 10.清空Cookie
;hz"`{(JY Cookie.Expires=[DateTime];
<|_/i/H Response.Cookies("UserName").Expires = 0
}vRs n-E@ >bia
FK>t 11.自定义异常处理
bY4~\cP. //自定义异常处理类
3d^zLL using System;
sD,[,6( using System.Diagnostics;
xD}ha 2} ,|RQETy namespace MyAppException
)p&FDK#ob= {
;O*y$|+PA /// <summary>
-0 [^w /// 从系统异常类ApplicationException继承的应用程序异常处理类。
A#gmKS<J/7 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
7u"t4Or /// </summary>
2,c{Z$\kn public class AppException:System.ApplicationException
9Z,vpTE {
!\Y85o>JU public AppException()
w`(EW>i {
rzH*| B0g if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
5eI3a!E]O }
/lKgaq. ^mLZT* public AppException(string message)
!@9Vq6 {
d&:ABI LogEvent(message);
~VZ)LQ'7 }
?u/Uov@rD fKzOt<wm public AppException(string message,Exception innerException)
[:x^ffs {
gdupG LogEvent(message);
/ vI sX3v if (innerException != null)
lHBk&UN' {
3;(6tWWLT LogEvent(innerException.Message);
+$KUy>
}
Np4';H }
Hmt}@ DBuvbq- //日志记录类
KJPCO0" using System;
@B;2z_Y!l using System.Configuration;
Bb^CukS: using System.Diagnostics;
6b9 oSY-8 using System.IO;
`+[e]dH using System.Text;
-iu7/4!j using System.Threading;
]de'v #<V/lPz+ namespace MyEventLog
WQ/H8rOs {
{=WTAgP /// <summary>
CzKU;~D=B /// 事件日志记录类,提供事件日志记录支持
9NTBdo%u /// <remarks>
CO e"te /// 定义了4个日志记录方法 (error, warning, info, trace)
fcd\{1#u /// </remarks>
eRkvNI /// </summary>
[:-Ltfr public class ApplicationLog
NIcPjo {
xS%Z
/// <summary>
gWm
-}Nb4 /// 将错误信息记录到Win2000/NT事件日志中
i1]*5;q /// <param name="message">需要记录的文本信息</param>
~y.{WuUD /// </summary>
(9r\YNK public static void WriteError(String message)
"oZ-W?IK E {
6-U+<[,x WriteLog(TraceLevel.Error, message);
\F;V69' }
,bh OIuep3 fZK&h. /// <summary>
E5D5 /// 将警告信息记录到Win2000/NT事件日志中
(H/JB\~r /// <param name="message">需要记录的文本信息</param>
pi)7R:i /// </summary>
w%jc' ;| public static void WriteWarning(String message)
|~b.rKQt[ {
1Wd?AyTY, WriteLog(TraceLevel.Warning, message);
iR;Sd >) }
6/`$Y!.ub H79XP. TtE /// <summary>
iaAVGgA9+ /// 将提示信息记录到Win2000/NT事件日志中
gUf-1#g4\` /// <param name="message">需要记录的文本信息</param>
8?ldD /// </summary>
q_eGY&M public static void WriteInfo(String message)
S(kj"t*3 {
]~g6#@l WriteLog(TraceLevel.Info, message);
J%d\ 7 }
BdcTKC /// <summary>
U)~?/s{v /// 将跟踪信息记录到Win2000/NT事件日志中
zPWX%1Qr /// <param name="message">需要记录的文本信息</param>
C$o#zu q- /// </summary>
T#'+w@Q9{9 public static void WriteTrace(String message)
\I J\ {
#9aB3C WriteLog(TraceLevel.Verbose, message);
1&A@Zo5| }
aIV(&7KT4 07WZ w1(; /// <summary>
*RugVH4 /// 格式化记录到事件日志的文本信息格式
M)t d%<_ /// <param name="ex">需要格式化的异常对象</param>
T|o[! @:, /// <param name="catchInfo">异常信息标题字符串.</param>
va \5
/// <retvalue>
x<#Z3Kla /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
+g8wc(<ik /// </retvalue>
HMyw:? /// </summary>
]O'dwC public static String FormatException(Exception ex, String catchInfo)
H^cB?i {
BX :77?9,+ StringBuilder strBuilder = new StringBuilder();
aBk~/ if (catchInfo != String.Empty)
9 p6QNDp {
H\7#$ HB strBuilder.Append(catchInfo).Append("\r\n");
P@P(&{@ }
LB}y,-vX> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
'<"eG!O return strBuilder.ToString();
#g,JNJ} }
xQV5-VoFC 9U1cH qV /// <summary>
|:_WdU"Q] /// 实际事件日志写入方法
ft oz0Vb /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'f0*~Wq| /// <param name="messageText">要记录的文本.</param>
C2RR(n=N^ /// </summary>
\a]JH\T)Q private static void WriteLog(TraceLevel level, String messageText)
bl. y4 {
`p`)D6 try
~e,k71 {
d&K2\n EventLogEntryType LogEntryType;
)SG+9!AbMZ switch (level)
@T53%v<5 {
=KfV;.& case TraceLevel.Error:
m1DzUq; LogEntryType = EventLogEntryType.Error;
:A%|'HxH3 break;
vJ96qX case TraceLevel.Warning:
|0 #J=am LogEntryType = EventLogEntryType.Warning;
iHy=92/Ww break;
rbl EyCR case TraceLevel.Info:
KLpu7D5(| LogEntryType = EventLogEntryType.Information;
=fmM=@!$< break;
=C{)i@ + case TraceLevel.Verbose:
_^cDB1I? LogEntryType = EventLogEntryType.SuccessAudit;
<eRE;8C- break;
s'\PU1{ default:
6u>${} LogEntryType = EventLogEntryType.SuccessAudit;
.kWMr^ g break;
i=$## }
\tf \fa K5-wuD1 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
lA[BV7.=7 //写入事件日志
bDI#' F eventLog.WriteEntry(messageText, LogEntryType);
bqEQP3t^ _[|~(lDJl }
#$p&J1 catch {} //忽略任何异常
p9w<|ZQ]: }
llVm[7 } //class ApplicationLog
E!.>*`)?. }
3vx*gfr3 ^CZ!rOSv 12.Panel 横向滚动,纵向自动扩展
(jYHaTL6Y' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
S;#S3?G ab? 13.回车转换成Tab
Oga/ <script language="javascript" for="document" event="onkeydown">
{fXD@lhi if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ZuIr=`"j event.keyCode=9;
Vae}:8'} </script>
Pg[XIfBva ZdbZ^DUR<( onkeydown="if(event.keyCode==13) event.keyCode=9"
3|4jS"t{f ta`}}I 14.DataGrid超级连接列
*Dx&} " DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
_[ml<HW] f0rM 4"1 15.DataGrid行随鼠标变色
^_FB .y% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^|yw)N]Q/ {
;Z]i$Vi_r if (e.Item.ItemType!=ListItemType.Header)
TVVL1wZ {
9\9:)q e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
po@=$HK e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
tU2 8l. }
/wplP+w2 }
'TWZ@8h~ xa+=9=<AQ 16.模板列
R;+vE'&CO <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
wZv"tbAWLV <ITEMTEMPLATE>
KF^5 C <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
P]]re,&R </ITEMTEMPLATE>
jOL $kiW0 </ASP:TEMPLATECOLUMN>
"
`rkp= +3]1AJa <ASP:TEMPLATECOLUMN headertext="选中">
'p3JYRT$ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
R5M/Ho 4 <ITEMTEMPLATE>
K|Sh
<ASP:CHECKBOX id="chkExport" runat="server" />
,l-tLc </ITEMTEMPLATE>
kSJWXNC <EDITITEMTEMPLATE>
ZmSe>}B= <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
G9'Wo.$ t </EDITITEMTEMPLATE>
/NvHM$5O% </ASP:TEMPLATECOLUMN>
X|!VtO ^IgxzGD 后台代码
A1Tk6i<F1 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
eUP.:(E {
N y_d //改变列的选定,实现全选或全不选。
&h1.9AO CheckBox chkExport ;
cMxuG'{=. if( CheckAll.Checked)
-4du`dg {
\;&WF1d`ac foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
pVgzUu7 {
\\Ps*HN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#R2wt7vE chkExport.Checked = true;
iTTUyftHT }
lu~<pfg }
, y%!s27 else
wrw4Uxq {
t>nx#ErS foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9<qAf` {
[n%=2*1p chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
J~.8.]gXW chkExport.Checked = false;
DIrQ5C }
3 !W
M'i }
%K0
H?^. }
F@ Sw FbH
1yz 17.数字格式化
DZPg|*KT \NE~k)`4j% 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
klkshlk d <%#Container.DataItem("price","{0:¥#,##0.00}")%>
h-)tWJ c 'ii5pxeNI int i=123456;
SUv(MA& string s=i.ToString("###,###.00");
XcN"orAo tzH~[n, 18.日期格式化
pC=kv ve .gZ1}2GF= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
yU ?TdM\ hnOo T? V 显示为: 2004-8-11 19:44:28
IRWVoCc9/\ A7U]wW9 我只想要:2004-8-11 】
g!/O)X3 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Ife/:v D==C"}J 应该如何改?
=i'APeNaQ o$PY0~# 【格式化日期】
|HT5G=dw -zn$h$N4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
jP(|pz 2'> 【日期的验证表达式】
JDbRv'F:( {|!>
{ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2%!yV~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})))?$
r.WQ6h/eZ5 Fa]|Y B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
EA#{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]))$
^l;N;5L iX]tL:,~i 【大小写转换】
LN=6u HttpUtility.HtmlEncode(string);
*;E\,,Io HttpUtility.HtmlDecode(string)
8.`*O B EN
U 19.如何设定全局变量
Q)mYy TR7j`? Global.asax中
Pk2=*{:W (:|g"8mQm Application_Start()事件中
QOT|6)Yb &/+LY_r'<I 添加Application[属性名] = xxx;
h*X5Oh6 \mp2LICQg 就是你的全局变量
BIQQJLu +f){x9
: 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
NeI#gJ1A >6X$iBb0 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
JE~;gz] :OEovk(` 【ASPNETMENU】点击菜单项弹出新窗口
Vi9Kah+ xLN$!9t 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
^*g= 65!1 <?xml version="1.0" encoding="GB2312"?>
@zs.M-F <MenuData ImagesBaseURL="images/">
IjaFNZZC! <MenuGroup>
IuV7~w <MenuItem Label="内参信息" URL="Infomation.aspx" >
NCX`-SLv <MenuGroup ID="BBC">
Zb&5)&'X <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
i>j(Ds v <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
`f)X!S2l ......
xR~9|H9a jNbU{Z%r 最好将你的aspnetmenu升级到1.2版
^55q~DP}> 9*Z!=Y#4, 21.读取DataGrid控件TextBox值
vV
PK foreach(DataGrid dgi in yourDataGrid.Items)
8T523VI {
Q8h0:Q TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
q1Sr#h| tb.Text....
/mK."5-cm }
.ri?p:a}w o;[cApiQ,2 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?
qu`F,OG e'dx
Y( 〖思归〗
]H-5 <asp:TemplateColumn HeaderText="数量">
(F+]h]KSi <ItemTemplate>
zE8qU; <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
s=8$h:^9> onkeyup="javascript:DoCal()"
{3@"}Eh />
!n^7&Y[N; z(dDX%k@ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Nu,t,&B
</ItemTemplate>
APUpqY </asp:TemplateColumn>
&iTTal.6 MhDPf]`
Gg <asp:TemplateColumn HeaderText="单价">
n!?^:5=s <ItemTemplate>
?910ki_ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
zqCr'$ onkeyup="javascript:DoCal()"
P0c6?K6 j />
Wr6y w# yc7"tptfF <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
INNTp[ WQ1K8B4 </ItemTemplate>
bMGU9~CeJ </asp:TemplateColumn>
6[T)Q ^0` FT;I|+H*P <asp:TemplateColumn HeaderText="金额">
os[i <ItemTemplate>
cv7.=*Kb; <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
rD!UP1Nb </ItemTemplate>
_m@+d>f_ </asp:TemplateColumn><script language="javascript">
ALi3JU function DoCal()
Iy;bzHXs {
/4>|6l= var e = event.srcElement;
yD yMI var row = e.parentNode.parentNode;
' JAcN@q~z var txts = row.all.tags("INPUT");
4<btWbk5u* if (!txts.length || txts.length < 3)
tGwQUn return;
OI)U c . h[& \OD,P var q = txts[txts.length-3].value;
cnL@j_mb var p = txts[txts.length-2].value;
g0M/Sv V8947h|& if (isNaN(q) || isNaN(p))
,|^ lqY return;
7Um3myXU 91oAg[@4G q = parseInt(q);
czcsXB l[ p = parseFloat(p);
f)#nXTXeC _zG[b/:p txts[txts.length-1].value = (q * p).toFixed(2);
xX~;
/e&, }
Gj- *D7X5 </script>
|bX{MF F3=iyiz6 ? oQ_qleuo Y;1J`oT nV_[40KP_ 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。
w=x
[=O page_load
evE$$# 6R page.smartNavigation=true
D.,~I^W 115zvW 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 ?
+GlG.6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
l~#%j( Yo {
'-[?iF@l for(int i=0;i<e.Item.Cells.Count-1;i++)
t}fU 2Yb if(e.Item.ItemType==ListItemType.EditType)
_xdFQ {
dk.VH!uVb e.Item.Cells.Attributes.Add("Width", "80px")
PbIir= }
</li<1 }
l.%[s6 3h4'DQ.g 26.对话框
EViDMp" private static string ScriptBegin = "<script language=\"JavaScript\">";
]cP$aixd private static string ScriptEnd = "</script>";
G]E-2 _t7 7NP
Ny public static void ConfirmMessageBox(string PageTarget,string Content)
mApl}I {
q/dja string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
m<GJ1)%3i ~IS3i'bh ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
_<7e5VR ;#n+$Q#: Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
KB a
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+7$zL;ph=n //Response.Write(strScript);
e)kVS}e? }
vFH1hm P3+?gW' 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Qe4"a*l-r dL|*#e 1.1 取当前年月日时分秒
f1RX`rXf currentTime=System.DateTime.Now;
JAS!eF ;2Za]%' 1.2 取当前年
*v0}S5^/" int 年= DateTime.Now.Year;
h%!N!\ YnwP\Arfq 1.3 取当前月
}x+s5a;!3/ int 月= DateTime.Now.Month;
X.)D"+xnH tRmH6
1.4 取当前日
^<v]x;
3 int 日= DateTime.Now.Day;
S1E=EVG V"W)u#4, 1.5 取当前时
*S\/l-D int 时= DateTime.Now.Hour;
:'K%&e?7s $#HUxwx4 1.6 取当前分
Sj9NhtF]f int 分= DateTime.Now.Minute;
M|\C@,F]8 |s{[<; 1.7 取当前秒
!/6KQdF int 秒= DateTime.Now.Second;
'/GZ,~q O`2hTY\ 1.8 取当前毫秒
#_4JTGJ int 毫秒= DateTime.Now.Millisecond;
2R`/Oox @>Ul0&Mf? 28.自定义分页代码:
zH1:kko Q2RO&dL
9 先定义变量 :
vw/X public static int pageCount; //总页面数
x[1(cj public static int curPageIndex=1; //当前页面
BZs?tbf Cl'3I%$8K 下一页:
)+v'@]r if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
.h@HAnmE {
G&v. cF#Y' DataGrid1.CurrentPageIndex += 1;
VQ'DNv| 9 curPageIndex+=1;
h$I
2T }
707-iLkt.1 |c3Yh,Sv bind(); // DataGrid1数据绑定函数
jLgx(bMn e2*Fe9: 上一页:
Bw8&Amxx: if(DataGrid1.CurrentPageIndex >0)
'(&,i/O {
2:Rxyg@' DataGrid1.CurrentPageIndex += 1;
g@B,0JRh curPageIndex-=1;
oK{H
<79 }
=d`/BDD ui4*vjd
bind(); // DataGrid1数据绑定函数
E|5lm ]q|^?C 直接页面跳转:
rhvTV(Bz int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
RlnJlY/ ?j-;;NNf if(a<DataGrid1.PageCount)
E-XFW]I {
Ialbz\;F2% this.DataGrid1.CurrentPageIndex=a;
)R]gJ_,c }
m9m]q&hx 1)N{!w` bind();
k{d)'\FM BuIly&qbm< 29.DataGrid使用:
r4(Cb_ Fmux#}Z 添加删除确认:
g
xf|L>= private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!>gu#Q{\- {
4KCJ(<p| foreach(DataGridItem di in this.DataGrid1.Items)
Ceco^Mw {
(b4;c=<[{ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
@gHWU>k,A {
- |j4u#z ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
TWk1`1| }
kG70j{gf }
[t}$W*hY
}
okv`v
({ Fu6~8uDV{{ 样式交替:
CxW-lU3G` ListItemType itemType = e.Item.ItemType;
7d"gRM; >djTJ>dl_u if (itemType == ListItemType.Item )
Rr3<ln {
;^Y]nsd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
?f ]!~ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
N>'|fNx] }
LAfv1 else if( itemType == ListItemType.AlternatingItem)
o,;Hb4Eu {
o6~9.~_e e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
gBCO>nJws e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
~76qFZe- }
*g;4?_f 0'O*Y
]h+ 添加一个编号列:
:KL5A1{ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
1xF<c< DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Z$&