1. 打开新的窗口并传送参数:
tU)+q?Mw 'Z&A5\~ 传送参数:
?=4J response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
*jW$AH +Tu:zCv. 接收参数:
n!tC z<v string a = Request.QueryString("id");
{h@R\bU string b = Request.QueryString("id1");
Q6vkqu5!= ruE.0V I@ 2.为按钮添加对话框
)O7 Mfr Button1.Attributes.Add("onclick","return confirm(’确认?’)");
msoE8YK&tg button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
uNx3us- ^Y'>3o21f 3.删除表格选定记录
((?^B
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
6s|C:1](b string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
O9>/WmLe Vx#xq#wK 4.删除表格记录警告
H-UMsT=g] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
(iS94}-) {
kF\QO
[ switch(e.Item.ItemType)
%gf8'Q {
f'%}{l: ss case ListItemType.Item :
`,7BU??+u case ListItemType.AlternatingItem :
cCj}{=U case ListItemType.EditItem:
8H{@0_M TableCell myTableCell;
m$O@+;>l myTableCell = e.Item.Cells[14];
}D|"$* LinkButton myDeleteButton ;
u(REEc~nj myDeleteButton = (LinkButton)myTableCell.Controls[0];
^rxXAc[ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
LL,~&5{ break;
=n#xnZ3 default:
mY%PG break;
@P@t/ }
FNm8j#c~Q g\jdR_/ }
>eU;lru2Q Crey}A/N 5.点击表格行链接另一页
'vCFT(C- private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b9\=NdyCY {
lR-4"/1|y //点击表格打开
H ($=k-+5 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~i(*.Z)
\ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
isDr|g$S }
sjzZl*GSy nq$^}L3&~ 双击表格连接到另一页
I=lA7} *J%+zH 在itemDataBind事件中
fd)}I23Q' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R a9/L {
lual'~ string OrderItemID =e.item.cells[1].Text;
"2Ye\#BU6 ...
D%BV83S e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
$%!]tNGS }
61wGIN2, Q04N 双击表格打开新一页
g/T`4"p[H if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+i
K.+B {
t(s']r string OrderItemID =e.item.cells[1].Text;
5$9j&&R ...
pRYt.}/K e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e+&/Tq'2 }
sM-k,0z ,>e<mphM ★特别注意:【?id=】 处不能为 【?id =】
&{7%VsTB 6.表格超连接列传递参数
]i{-@Ven <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
[z Y9"B<3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
(s\Nm_j Lo !kv* 7.表格点击改变颜色
,{]>U'- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ThFI=K {
R2r0'Yx e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
aA\v
this.style.color=’buttontext’;this.style.cursor=’default’;");
|~uCLf> }
ZgzrA&6 gIT"nG=a4 写在DataGrid的_ItemDataBound里
$@DXS~UQA if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7MBz&wE^f {
n.Ekpq\ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
,@GI3bl this.style.color=’buttontext’;this.style.cursor=’default’;");
AC
3 ;i e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
=G*<WcR }
m}8c.OJ>K` ! 5 ]/2 ]Wfnpqc^ 8.关于日期格式
X4 xnr^ 0naegy?, 日期格式设定
l$z-' DataFormatString="{0:yyyy-MM-dd}"
C
!uwD XFH7jHnL+U 我觉得应该在itembound事件中
,Y}HP3
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
%/~Sq?f-9@ &Tl3\T0D 9.获取错误信息并到指定页面
Xi$uK-AHpj z+Y0Zh";/# 不要使用Response.Redirect,而应该使用Server.Transfer
+AXui|mn (?oK+,v?L e.g
7TlOF // in global.asax
.p <!2 protected void Application_Error(Object sender, EventArgs e) {
3rOv j&2 if (Server.GetLastError() is HttpUnhandledException)
f`vB$r> Server.Transfer("MyErrorPage.aspx");
ALPZc: _AK-AY //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
(AV j_Cw }
rfoLg @#;~_?$?C 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
8BBuYY{ $FS
j^v] 10.清空Cookie
&@nI(PXv Cookie.Expires=[DateTime];
8*6U4R Response.Cookies("UserName").Expires = 0
~#OnA1) <Y<%=` 11.自定义异常处理
".~,(* //自定义异常处理类
| [P!9e using System;
C+jlIT+ using System.Diagnostics;
{ge^&l 1@;Dn' namespace MyAppException
"){"{~ {
P;][i| x /// <summary>
T[q2quXgk /// 从系统异常类ApplicationException继承的应用程序异常处理类。
'\=aSZVO /// 自动将异常内容记录到Windows NT/2000的应用程序日志
`BF +)fs /// </summary>
V+-%$-w> public class AppException:System.ApplicationException
FAo\`x {
wNq#vn public AppException()
8FU8E2zo {
}cEcoi<v! if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
sYYNT* }
"! m6U#^ H
$XO]\ public AppException(string message)
9x23## s {
o4\\q66K LogEvent(message);
yIA-+# r[ }
lE'2\kxI? /*i[MB public AppException(string message,Exception innerException)
KZ>cfv-&a {
u{o3 LogEvent(message);
RGf&KV/ if (innerException != null)
RG0kOw0 {
J>TNyVaoQ LogEvent(innerException.Message);
#;z;8q }
/R!:l l2 }
O,x[6P54P YZMSiDv[e //日志记录类
xG/B$DLn using System;
:Ugf3%sQ using System.Configuration;
kZ>_m&g using System.Diagnostics;
))66_bech using System.IO;
kc-=5l using System.Text;
,K
8R%B using System.Threading;
2Jo|]>nl}u kNR -eG namespace MyEventLog
F2QFQX(j {
g]vo."}5E /// <summary>
_Dr9 w&;< /// 事件日志记录类,提供事件日志记录支持
8BE] A_X /// <remarks>
L7;8:^ v /// 定义了4个日志记录方法 (error, warning, info, trace)
m}hEi /// </remarks>
^CO{86V /// </summary>
xhK8Q public class ApplicationLog
XXPn)kmWR {
+saXN6 /// <summary>
;-#2p^ /// 将错误信息记录到Win2000/NT事件日志中
%PM&`c98z7 /// <param name="message">需要记录的文本信息</param>
"ngULpb{R /// </summary>
!K*(# [ public static void WriteError(String message)
ti'B}bH>' {
SO4?3wg7 WriteLog(TraceLevel.Error, message);
G!dx)v
}
fG9 ;7KG @<(4J
/// <summary>
$>Qq 7 /// 将警告信息记录到Win2000/NT事件日志中
g&z8t;@ /// <param name="message">需要记录的文本信息</param>
,4:=n$e 0 /// </summary>
e`n+U-)z public static void WriteWarning(String message)
_Z7`tUS-j {
;`Nh@*_ WriteLog(TraceLevel.Warning, message);
h?[|1.lJx( }
~-R%m ttOk6- /// <summary>
G?kK:eV /// 将提示信息记录到Win2000/NT事件日志中
=' uePM") /// <param name="message">需要记录的文本信息</param>
7-:R{&3Lm: /// </summary>
l^F ?^kP public static void WriteInfo(String message)
dq,j?~ _} {
Yw] 7@ WriteLog(TraceLevel.Info, message);
v{d$DZUs }
J-#V_TzJ? /// <summary>
NNt
n /// 将跟踪信息记录到Win2000/NT事件日志中
i/j53towe /// <param name="message">需要记录的文本信息</param>
CRBj> /// </summary>
Z<^;Ybw{`Z public static void WriteTrace(String message)
w=pr?jt1: {
'X<4";$mU WriteLog(TraceLevel.Verbose, message);
m8@&-,T }
]
# VHx ])}a^]0q /// <summary>
m??Py"1y /// 格式化记录到事件日志的文本信息格式
G %'xEr0n /// <param name="ex">需要格式化的异常对象</param>
L!>nl4O>` /// <param name="catchInfo">异常信息标题字符串.</param>
~8s2p%~ /// <retvalue>
+F-EgF+J /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
a`L:E'|B9 /// </retvalue>
m9vX8;. /// </summary>
{{jV!8wK public static String FormatException(Exception ex, String catchInfo)
^M{,{bG {
j$K*R." StringBuilder strBuilder = new StringBuilder();
AbxhNNK if (catchInfo != String.Empty)
G4uG" {
I`zd:o] strBuilder.Append(catchInfo).Append("\r\n");
5r`rstV }
>`r3@|UY strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
0:f]&Ng return strBuilder.ToString();
AdVc1v&> }
fWZ( ,jOJ\WXP /// <summary>
8[;vC$ /// 实际事件日志写入方法
%xN${4)6 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
v\GVy[Qyv /// <param name="messageText">要记录的文本.</param>
]}dQ~lOE /// </summary>
k,[*h-{8 private static void WriteLog(TraceLevel level, String messageText)
>))CXGE {
#MKM.T,\t try
&\1n=y {
Jy5sZ}t[ EventLogEntryType LogEntryType;
N+'j on}U switch (level)
_Ao$)Gu) {
P0e-v0 case TraceLevel.Error:
jMgXIK\ LogEntryType = EventLogEntryType.Error;
[% C,&h5 break;
s bj/d~$N case TraceLevel.Warning:
SRwD`FF LogEntryType = EventLogEntryType.Warning;
#8|LPfA break;
T5
(|{- case TraceLevel.Info:
tLBtE!J$[ LogEntryType = EventLogEntryType.Information;
#obRr#8 break;
z%OKv[/N case TraceLevel.Verbose:
@@)2 12 LogEntryType = EventLogEntryType.SuccessAudit;
1>"-!ADm break;
MfP)Pk5 default:
PD)"od LogEntryType = EventLogEntryType.SuccessAudit;
TG%B:^Yz! break;
;%9]G|*{ }
$P=C7; *!%lBt{2 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
U}LW8886 //写入事件日志
|@vkQ
eventLog.WriteEntry(messageText, LogEntryType);
CZ<T@k HR}O:2' }
DsejZ& catch {} //忽略任何异常
lj (y }
H/c
(m|KK } //class ApplicationLog
]3rVULU"K- }
")T\_ME LWyr 12.Panel 横向滚动,纵向自动扩展
N-gYamlQ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
D7;9D*o\ $@D a|d4 13.回车转换成Tab
g1s%x=7/ <script language="javascript" for="document" event="onkeydown">
Snx!^4+MF if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
aYWWln event.keyCode=9;
}(oeNPM8 </script>
s
V_(9@b rZ~w_DK* onkeydown="if(event.keyCode==13) event.keyCode=9"
flsejj$ mHxR4%i5 14.DataGrid超级连接列
Fl-\{vOn DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
iQ;p59wSzL KwuucY 15.DataGrid行随鼠标变色
wY8:j private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{_QdB;VwH {
f8Iddm# if (e.Item.ItemType!=ListItemType.Header)
p+CUYo( {
8R,<S-+v e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
p49]{2GXb e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
H$KO[mW} }
K:wI'N"N }
%2?+:R5. *.DC(2:o! 16.模板列
*yu}e)(0 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
4J2^zx,H <ITEMTEMPLATE>
mQj=-\p <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
l4OrlS/ 5 </ITEMTEMPLATE>
V
~C$| +>e </ASP:TEMPLATECOLUMN>
ffZ~r%25{ i[o 2(d, <ASP:TEMPLATECOLUMN headertext="选中">
s6!6Oqh <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
!+eH8
<ITEMTEMPLATE>
n0xGIq <ASP:CHECKBOX id="chkExport" runat="server" />
Oynb"T&8 </ITEMTEMPLATE>
EY,jy]|# <EDITITEMTEMPLATE>
qqrjI. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
V'Gal` </EDITITEMTEMPLATE>
'X^auyL </ASP:TEMPLATECOLUMN>
Y`;}w}EcgR e-nA>v 后台代码
@^P^-B protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
-8Jw_ {
CM;b_E)9)f //改变列的选定,实现全选或全不选。
Zw.8B0W CheckBox chkExport ;
7>FXsUt_ if( CheckAll.Checked)
tyu@aCK {
9R50,lsE foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.Pb-{!$Ni {
:DD<0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Qp>leEs]+6 chkExport.Checked = true;
CU'JvVe3 }
l~c[} wv }
Zxa.x?:?n else
t`Kbm''d[ {
6b2UPI7m~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
szI7I$Qb {
lQn"
6o1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
U2q6^z4l chkExport.Checked = false;
Xz$4cI#n: }
{>]\< }
p3I"LY }
&Y]':gJ +yGQt3U 17.数字格式化
,T$ts qJhsMo2IH 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
1Kg0y71" <%#Container.DataItem("price","{0:¥#,##0.00}")%>
(|gQ
i{8 )@PnpC%H int i=123456;
L, JQ\!c string s=i.ToString("###,###.00");
=!q%
1 mP JMb_00r 18.日期格式化
oQ$yr^M p0+^wXi) 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
RB 5SK#z SmRlZ!%e 显示为: 2004-8-11 19:44:28
XYEwn_Y IG781:,/ 我只想要:2004-8-11 】
!wAT`0<94F <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
|=?#Xbxz d2rs+- 应该如何改?
asT-=p_ 0. oQ!M+sRmF 【格式化日期】
:E:e ^$p T$4{fhV
\ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
zWHq4@K (]|h6aI'} 【日期的验证表达式】
JJ?{V:
Ei;tfB A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
C|'DKT4M& ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
([>ecS@eO )!T~l(g B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Cf{F"o ^\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]))$
2]>O ZhS zM'eqo>!c> 【大小写转换】
^Q6J$"Tj HttpUtility.HtmlEncode(string);
N]<(cG&p HttpUtility.HtmlDecode(string)
vQAFg G FFHq':v 19.如何设定全局变量
}F`|_8L*v) oMh$:jR $ Global.asax中
0RUk^ $|K
d<wv Application_Start()事件中
aeqz~z2~8s VYvfx 添加Application[属性名] = xxx;
dP5x]'"x @/2Kfr 就是你的全局变量
9t`;~)o (O.%Xbx3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
&!!*xv-z 5> k:PKHL HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
@u~S!(7.Wi baxZ>KNi 【ASPNETMENU】点击菜单项弹出新窗口
)*') I>c,Bo7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
k+<945kC <?xml version="1.0" encoding="GB2312"?>
;b~ S/ <MenuData ImagesBaseURL="images/">
L@}PW)# <MenuGroup>
7)66e <MenuItem Label="内参信息" URL="Infomation.aspx" >
0-2|(9
Kc <MenuGroup ID="BBC">
b}e1JPk}! <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
R4?>C-; <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
$a(-r-_Fi] ......
tne_]+ sZ;|NAx) 最好将你的aspnetmenu升级到1.2版
D6 B-#u!M @^{Hq6_`
21.读取DataGrid控件TextBox值
mxc)Wm<4 foreach(DataGrid dgi in yourDataGrid.Items)
Q7%4 `_$! {
b 2gng} TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
h Yu6PWK tb.Text....
Z;0~f<e%
}
X{9^$/XsJ nl@an!z 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
|Uh8b % #&3,T1i` 〖思归〗
rp Nb. <asp:TemplateColumn HeaderText="数量">
.`or^`X3 <ItemTemplate>
4{VO:(geZ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
/y$Omc^ onkeyup="javascript:DoCal()"
hor7~u+ />
d}
>Po%r: bIQ,=EA1
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
x4_IUIgh </ItemTemplate>
.)Tj}Im2p </asp:TemplateColumn>
q"2QNF' 3Ax'v|&Hg <asp:TemplateColumn HeaderText="单价">
]#!uke Q <ItemTemplate>
((y|?Z$ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
aDlp>p^E> onkeyup="javascript:DoCal()"
?h<4trYcv />
@W,jy$U )G[byBa <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
U,P_bz*) k.J%rRneN </ItemTemplate>
[4)Oi-_Y> </asp:TemplateColumn>
b3(*/KgK 9A.RD`fg <asp:TemplateColumn HeaderText="金额">
m5Bf<E,c <ItemTemplate>
bR\7j+*& <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
XS<>0YM </ItemTemplate>
sdp&D@ </asp:TemplateColumn><script language="javascript">
Psb !Z( function DoCal()
Pt]>AW;i {
K<JzIuf& var e = event.srcElement;
ts]e M1; var row = e.parentNode.parentNode;
FU`(mQ*Yd var txts = row.all.tags("INPUT");
| /.J{=E0K if (!txts.length || txts.length < 3)
5Qgu:)} return;
2"/MM2s l#)X/(?; var q = txts[txts.length-3].value;
{UiSa'TR1b var p = txts[txts.length-2].value;
`oRyw6Sko 3?OQ-7, if (isNaN(q) || isNaN(p))
sXLW';Fz return;
^FCXcn9 :X2_#qW#C q = parseInt(q);
}{0}$#zu p = parseFloat(p);
F72#vS
j jNZ.Fb txts[txts.length-1].value = (q * p).toFixed(2);
=H95?\}T[ }
z]7 WC </script>
r>mBe;[TX b?wrOS
Dy08.Sss b,!C8rJ 1{uxpYAP=
24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
kG^76dAQL page_load
\!KE_7HRu page.smartNavigation=true
?Y=aO(}=h |x[I!I7.F 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
X><C#G private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
8$FH;= {
n Ja!&G& for(int i=0;i<e.Item.Cells.Count-1;i++)
r6<;bO( if(e.Item.ItemType==ListItemType.EditType)
S
?Zh#`(* {
vu0Ql1 e.Item.Cells.Attributes.Add("Width", "80px")
zLJ>)v$81 }
iFIGJS }
1(' wg! 7UTfafOGX 26.对话框
uWS]l[Ga private static string ScriptBegin = "<script language=\"JavaScript\">";
)Q2Ap& private static string ScriptEnd = "</script>";
t~2oEwTm f \&X$g public static void ConfirmMessageBox(string PageTarget,string Content)
pyEQb# {
>t+ ENYb string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&61U1"&$ R lZzW-
%K ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
)@]%:m!ER 7w
)?s@CD Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
d<c 29Y ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Omd; //Response.Write(strScript);
ss^a=?~ }
tFU4%c7V k@xinK%O{ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
EKc<|e,F .jRI
$vm 1.1 取当前年月日时分秒
=<\22d5L currentTime=System.DateTime.Now;
R~<N*En~ :>-zT[Lcn 1.2 取当前年
XQ1]F{?/H int 年= DateTime.Now.Year;
18$d-[hX ]w *"KG!( 1.3 取当前月
q@.>eB'92P int 月= DateTime.Now.Month;
IIk_!VzT jN6V`Wh_ 1.4 取当前日
Lf_Y4a# int 日= DateTime.Now.Day;
u%-]-:c pl8b&bLzi 1.5 取当前时
~cU1
/CW8 int 时= DateTime.Now.Hour;
M+"6VtZH #p+iwW- 1.6 取当前分
HDm]njF%qQ int 分= DateTime.Now.Minute;
2gWR2 H@ wd:Yy 1.7 取当前秒
~[H8R|j " int 秒= DateTime.Now.Second;
h!tpi`8\z 2EgvS!" 1.8 取当前毫秒
, ['}9:f9 int 毫秒= DateTime.Now.Millisecond;
4U2{1aN` lpT&v;$` 28.自定义分页代码:
Y9BQLu4F $S>'0mL 先定义变量 :
AKk=XAG W public static int pageCount; //总页面数
eKLvBa-{@ public static int curPageIndex=1; //当前页面
}6Pbjm * AA\)BNM 下一页:
<B@NSj if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
F .S^KK {
=gF035 DataGrid1.CurrentPageIndex += 1;
6R :hs C$ curPageIndex+=1;
w!lk&7Q7Z }
[kg^S`gc# qV=:2m10x bind(); // DataGrid1数据绑定函数
):N#X<b': la;*> 上一页:
d&3"?2IQ if(DataGrid1.CurrentPageIndex >0)
Q{~g<G {
y&(#C:N DataGrid1.CurrentPageIndex += 1;
y;o - @] curPageIndex-=1;
2ZxhV4\ }
1zRYd`IPoq [%k8l~ 6 bind(); // DataGrid1数据绑定函数
si&du 5V 2ZAYV 直接页面跳转:
I`{3I-E int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
[4?r0vO ~d7t\S if(a<DataGrid1.PageCount)
2l?^\9& {
iM!Ya! this.DataGrid1.CurrentPageIndex=a;
R;HE{q[ f }
v4e4,Nt Z9: bind();
s.4+5rE E6 oC^,ZRy 29.DataGrid使用:
`E|i8M3g 4eWv). 添加删除确认:
cr;:5D%_ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Kyx9_2 {
fXWy9 #M foreach(DataGridItem di in this.DataGrid1.Items)
F'M X9P {
4prJ!k if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
(uX?XX^ {
{.Qv1oOa ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Bq$IBAot }
f?d5Ltg }
=]%,&Se }
ZtZ3I?%U3 lEl.'X$ 样式交替:
|ufL s ListItemType itemType = e.Item.ItemType;
A~xw:[zy$a =rymd3/ if (itemType == ListItemType.Item )
0
s+X:*C~ {
uD/@d'd_4L e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
z5gVP8*z5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
UvGxA[~2+ }
JDf>Qg{ else if( itemType == ListItemType.AlternatingItem)
7:B/?E {
3;buC|ky e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4Q !A w e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
m 3UK`~ji }
M|c_P)7ym uZ8-? 添加一个编号列:
-ED}
6E DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ypEMx'p DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
k.C&6*l!5; }E ]l4N2 for(int i=0;i<dt.Rows.Count;i++)
#b/L~Bw[ {
U[MeK)* dt.Rows["number"]=(i+1).ToString();
xO_>%F^? }
HW]?%9a umns*U%T; DataGrid1.DataSource=dt;
wU|@fm" DataGrid1.DataBind();
#czTX%+9(e -i?gYF!G DataGrid1中添加一个CheckBox,页面中添加一个全选框
L ~'98C private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
w71YA#cg {
tAq0Z) foreach(DataGridItem thisitem in DataGrid1.Items)
T9R#.y, {
nrY)i_\ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
mhVLlbY|t }
TC-Vzk G| }
qkKl;Z?Y: ;N#}3lpLqg 将当前页面中DataGrid1显示的数据全部删除
g"748LY>=p foreach(DataGridItem thisitem in DataGrid1.Items)
|\dv$`_T {
-$"$r ~ad if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
=Rx4ZqTI| {
keC'/\e string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
YzjRD: Del (strloginid); //删除函数
c #TY3Z| }
Btxtu"]nJo }
|kK5:\H $F^VtCx2& 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
F%<*a,m6g !`%j#bv 在Application_Start中添加以下代码:
XA<h,ONE? Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
oi|N8a2R AppSettings["ConnStr"].ToString();
y5F+~z}{ "x R6~8 31. 变量.ToString()
]+Lr'HF 2$Xof 字符型转换 转为字符串
|l8=z*v<