1. 打开新的窗口并传送参数:
64Gi8|P `P+(&taT 传送参数:
0JRD response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
T)7TyE|"2g z1 i &Ge 接收参数:
(B>Zaro# string a = Request.QueryString("id");
>zY \Llv string b = Request.QueryString("id1");
F)$K o?Sla_D 2.为按钮添加对话框
;@ WV-bLe Button1.Attributes.Add("onclick","return confirm(’确认?’)");
TPO1 GF button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
H'RL62! !a1i Un9 3.删除表格选定记录
VS?@y/\In int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]6tkEyuq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
tqOi
x/ 4aZCFdc 4.删除表格记录警告
c(-Mc6 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
P2n2Qt2 {
MrE<vw@he switch(e.Item.ItemType)
Ni[4OR$-O {
bm&87 case ListItemType.Item :
A,~Hlw case ListItemType.AlternatingItem :
)Du-_Z case ListItemType.EditItem:
IKvBf'%- TableCell myTableCell;
^c9ThV.v myTableCell = e.Item.Cells[14];
`NwdbKX LinkButton myDeleteButton ;
juToO myDeleteButton = (LinkButton)myTableCell.Controls[0];
(U.**9b; myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Tc
ZnmN break;
E(+T* default:
)&W|QH=AI break;
e/e0d<(1 }
dhRJg"vrQ `0BdMKjA }
a
ib}`l FyD.>ot7M 5.点击表格行链接另一页
@%i>XAe#0 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&yH#s
8^8 {
nR5bs;gk" //点击表格打开
5{>0eFzG if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0yof u e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
67<CbQZoN3 }
!"4w&bQ m>Ux`Gp+ 双击表格连接到另一页
UFZ"C, .+#Lx;}) 在itemDataBind事件中
F 1|zXg) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Ph7pd {
d
O
A%F$Mk string OrderItemID =e.item.cells[1].Text;
_[E \= ...
;:#U6?=t e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
c]Unbm^w }
{V2bU}5
[ !Cj(A"uqY 双击表格打开新一页
}6~)bLzI} if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
KvFR8s {
V> a*3D string OrderItemID =e.item.cells[1].Text;
|i)lh_iN ...
5 Rz/Ri\c= e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
^JhFI* }
e&J3N QJ4AL3
^6 ★特别注意:【?id=】 处不能为 【?id =】
HY;oy( 6.表格超连接列传递参数
:k!j"@r <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
i^%-aBZ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
< tQc_ ]UUI~sFE 7.表格点击改变颜色
7u%a/ < if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Fn,k!q {
vnsSy 33K e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
(DJvi6\H this.style.color=’buttontext’;this.style.cursor=’default’;");
>a]t< }
' Js?N eOrYa3hQ 写在DataGrid的_ItemDataBound里
CM 9P"- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
J~J@ ]5/ {
7Jx%JgF e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
)*[
""& this.style.color=’buttontext’;this.style.cursor=’default’;");
AUAI3K? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
O<`R~ }
&telCg: _om[VKJd
[,7-w 8.关于日期格式
S[U/qO)m D9^7m
j?e 日期格式设定
Z\!rH"8 DataFormatString="{0:yyyy-MM-dd}"
#\b ;2> agY5Dg7 我觉得应该在itembound事件中
[-VGArD[k, e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
"|4jPza E/"SU*Co 9.获取错误信息并到指定页面
``-k{C#F ;QidDi_s> 不要使用Response.Redirect,而应该使用Server.Transfer
IxP^i{/1? xKW"X
e.g
"-U3=+ // in global.asax
~PYFYjHC protected void Application_Error(Object sender, EventArgs e) {
A9n41,h if (Server.GetLastError() is HttpUnhandledException)
Ygx,t|?7 Server.Transfer("MyErrorPage.aspx");
VG\mo?G
"
Z;uu)NE //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
" dT>KQ }
!Zj#.6c9 5DSuUEvWcL 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
cj^bh &|z|SY]DL 10.清空Cookie
%]GV+!3S Cookie.Expires=[DateTime];
)OUU]MUH Response.Cookies("UserName").Expires = 0
Y`]rj-8f0B c(:Oyba 11.自定义异常处理
q2Rf@nt //自定义异常处理类
$`Rxn*}V4# using System;
;@!;1KDy using System.Diagnostics;
VKf6|ae #01/(:7 namespace MyAppException
#ko6L3Pi {
sy.:T]ZH /// <summary>
".M:`BoW4 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
28+HKbgK /// 自动将异常内容记录到Windows NT/2000的应用程序日志
lbofF==( /// </summary>
z`@z public class AppException:System.ApplicationException
!OQuEJR {
EOQaY public AppException()
+I.v!P!^ {
FoLDMx( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
R_9 o!sTZ }
=SL^>HS.fo LT&/0 public AppException(string message)
JilKZQmk {
GDmv0V$6 LogEvent(message);
xZg7Jg }
U
TS{H [$oM public AppException(string message,Exception innerException)
XJ\_V[WA {
:1NYpsd.i LogEvent(message);
No~6s.H if (innerException != null)
?M]u$Te/. {
X$ PS(_M LogEvent(innerException.Message);
;Lqm#]C }
_]_L F[ }
'Dq"e$JM< ja:\W\xhJ //日志记录类
ME,duY/>Q using System;
8ur_/h7 using System.Configuration;
uAQg"j using System.Diagnostics;
3m~U(yho using System.IO;
(Y>U6 using System.Text;
X;5 S using System.Threading;
vS2(Q0+TZi r=|vad$ namespace MyEventLog
lkyJ;}_** {
Y& m<lnB /// <summary>
hN}5u"pS /// 事件日志记录类,提供事件日志记录支持
%D. @L /// <remarks>
x;*VCs /// 定义了4个日志记录方法 (error, warning, info, trace)
lvG3<ls0K$ /// </remarks>
DSTx#* /// </summary>
5%#i79z&B public class ApplicationLog
-/1d& {
l2r>|CGQ[ /// <summary>
vevx|<9, /// 将错误信息记录到Win2000/NT事件日志中
?SB5b , /// <param name="message">需要记录的文本信息</param>
np= J:v4 /// </summary>
%"{?[!C ? public static void WriteError(String message)
VJGwd`qo*A {
mxZ4
HD{ WriteLog(TraceLevel.Error, message);
J (=4 }
ayN*fiV] 2pw>B%1WP) /// <summary>
jw/wcP /// 将警告信息记录到Win2000/NT事件日志中
J511AoQ{R /// <param name="message">需要记录的文本信息</param>
2Sv>C `FMU /// </summary>
miWw6!() public static void WriteWarning(String message)
p+!f(H {
^1()W,B~w WriteLog(TraceLevel.Warning, message);
@i\7k(9:A }
t<8z08 *pY/5? g /// <summary>
La@\q[U{@ /// 将提示信息记录到Win2000/NT事件日志中
Un~]Q?w /// <param name="message">需要记录的文本信息</param>
z)r8?9u /// </summary>
\gjl^#; public static void WriteInfo(String message)
/Lj%A {
^9n}-Cqeq WriteLog(TraceLevel.Info, message);
?#x'_2 }
N" 8*FiZ| /// <summary>
Bc5YW-QD /// 将跟踪信息记录到Win2000/NT事件日志中
3@%BA(M /// <param name="message">需要记录的文本信息</param>
pFG]IM7o/u /// </summary>
1mAUEQ! public static void WriteTrace(String message)
Al)lWD}j2g {
}7otuO(pRo WriteLog(TraceLevel.Verbose, message);
F%9e@{ }
lrq>TJEcx 9$n+-GSK /// <summary>
7O]J^H+7 /// 格式化记录到事件日志的文本信息格式
Q=dw 6 /// <param name="ex">需要格式化的异常对象</param>
oA5<[&~< /// <param name="catchInfo">异常信息标题字符串.</param>
-wJ /// <retvalue>
q|?`Gsr /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
8|fLe\" /// </retvalue>
D<lQoO+ /// </summary>
V}j%gy` public static String FormatException(Exception ex, String catchInfo)
NU BpIx& {
5+o
2 T] StringBuilder strBuilder = new StringBuilder();
J{aQ1) if (catchInfo != String.Empty)
tvGg@Xs\ {
gF$1wV]e strBuilder.Append(catchInfo).Append("\r\n");
!k4 }v'= }
AEi WL.*. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
i/l!Cr2 return strBuilder.ToString();
qQwJJjf }
y^5T/M Zb12:? /// <summary>
eV@4VxaZ /// 实际事件日志写入方法
g|_HcaW /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
z7D*z8,i /// <param name="messageText">要记录的文本.</param>
r _{)?B /// </summary>
WK/b=p|#o private static void WriteLog(TraceLevel level, String messageText)
7*R{u*/e {
DKe6?PG try
&\CJg'D:m {
TsoCW]h EventLogEntryType LogEntryType;
[i2A{(x switch (level)
WV5r$ {
|_xZ/DT case TraceLevel.Error:
ahK?]:&QO LogEntryType = EventLogEntryType.Error;
,+swH;=7#r break;
|?4~T: case TraceLevel.Warning:
~xsb5M5 LogEntryType = EventLogEntryType.Warning;
Yg\{S<wr break;
5]A$P\7~1 case TraceLevel.Info:
P]~N-xdV LogEntryType = EventLogEntryType.Information;
fzq'S]+ break;
;$E~ZT4p case TraceLevel.Verbose:
\SoYx5lf LogEntryType = EventLogEntryType.SuccessAudit;
*
ePDc' break;
\<0G
kp default:
FN{H\W1cf LogEntryType = EventLogEntryType.SuccessAudit;
(**-"o]HH break;
::^qy^n }
jV(xYA3 1R^XWAb EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
/y+;g{ //写入事件日志
vWPM:1A eventLog.WriteEntry(messageText, LogEntryType);
'Qp&,xK IN]`lJ }
(:</R$I catch {} //忽略任何异常
Y3 Pz00x }
duZ|mT8Q== } //class ApplicationLog
y\r^\ S9% }
a+4`}:KA# .b!OZ 12.Panel 横向滚动,纵向自动扩展
j\i;'t}8g <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ox i
a} gNMKGf\Y 13.回车转换成Tab
^?sSsHz <script language="javascript" for="document" event="onkeydown">
HM(bR"E if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
MbT
ONt?~v event.keyCode=9;
[="g|/M) </script>
kx;xO>dC B` t6H onkeydown="if(event.keyCode==13) event.keyCode=9"
:V5!C$QV e{qp!N1! 14.DataGrid超级连接列
iMOPD}`IX DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
bn<I#ZH2 xr7-[)3Q$ 15.DataGrid行随鼠标变色
8M".o n private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ue^?/{OuT {
42b=z//; if (e.Item.ItemType!=ListItemType.Header)
t?Njw7 {
*Dd(+NI e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
]*kP> e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
pUCEYR }
^^t]vojX }
82^
z-t{ EA%#/n 16.模板列
'AAF/ 9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
EDPI*@> <ITEMTEMPLATE>
x0AqhT5} <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
O|^6UH </ITEMTEMPLATE>
4X(1 </ASP:TEMPLATECOLUMN>
'aSZ!R @vQ;>4 i. <ASP:TEMPLATECOLUMN headertext="选中">
wt_?B_nR <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
nkr, <ITEMTEMPLATE>
OW[/%U> <ASP:CHECKBOX id="chkExport" runat="server" />
0s+rd& </ITEMTEMPLATE>
8`rAE_n`% <EDITITEMTEMPLATE>
)M|O;~q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
^Xt]wl*]+ </EDITITEMTEMPLATE>
H;b'"./ </ASP:TEMPLATECOLUMN>
P}.yEta ]/<Qn-BbU 后台代码
y$r?t0 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
G}9bCr, {
a-UD_|! //改变列的选定,实现全选或全不选。
(Ay4B*|! CheckBox chkExport ;
g O\f:Pg if( CheckAll.Checked)
|aOnV,} {
nCSd:1DY foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
D/!eov4" {
Js^r]=\F' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@Z=y'yc'y. chkExport.Checked = true;
-67f33 }
/FNj|7s }
nfd?@34"A2 else
;|2;kvf"w {
c-3Y SrY foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}ii]cY {
[w#x5Xsn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dTU.XgX)1^ chkExport.Checked = false;
k{u%p < }
](
U%1 }
Jb)eC?6O }
@]VvqCk y!{/'{?P 17.数字格式化
d@q t%r3; ui#1 +p3G 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
5>z:[OdY* <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^JF_;~C fi-&[llg int i=123456;
6&xW9' 6b: string s=i.ToString("###,###.00");
XM5;AcD H?/cG_^y0 18.日期格式化
7]HIE]# _
/28Cw 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
K&"Pm9
);/5#b@<Y 显示为: 2004-8-11 19:44:28
RGPU~L e&a[k 我只想要:2004-8-11 】
>a anLLO <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Spr:K, !\D]\|Bo 应该如何改?
Pi]s<3PL J!^~KN6[ 【格式化日期】
iR}i42Cu fb=$<0Ocj 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
PB3!; VkP:%-*#v 【日期的验证表达式】
Xm:gD6;9 smLDm A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
}RP 9%n^ ^((\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})))?$
+/_B/[e<> |Nx!g fU B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
K&a]pL6D ^\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]))$
{]_{BcK+ cI4qgV 【大小写转换】
Z=/L6Zb HttpUtility.HtmlEncode(string);
gJ[q
{b HttpUtility.HtmlDecode(string)
'r?HL;,q MFdFZkpiV 19.如何设定全局变量
eJ)KE5%n# Bc"}nSjH Global.asax中
<T2~xn R7;rBEt8 Application_Start()事件中
,;ruH^ BO\`m%8md 添加Application[属性名] = xxx;
Er+3S@sfq, H/la'f#o% 就是你的全局变量
O
|I:[S}, m&jt[
20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#/sE{jm 17[t_T&Ak9 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
M0IqQM57N X|n[9h:% 【ASPNETMENU】点击菜单项弹出新窗口
kFZu/HRI >zx50e) 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
u.K'"-xt4K <?xml version="1.0" encoding="GB2312"?>
'FA)LuAok <MenuData ImagesBaseURL="images/">
TboHP/ <MenuGroup>
L!Zxc~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
NVh>Q>B$_ <MenuGroup ID="BBC">
2,QApW_Y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
kE(-vE9 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
QO`Sn N} ......
K}*p(1$u mM^8YL 最好将你的aspnetmenu升级到1.2版
ppo$&W
&z H=SMDj)s+ 21.读取DataGrid控件TextBox值
:x5o3xE foreach(DataGrid dgi in yourDataGrid.Items)
Pv$"DEXA2 {
6g,3s?aT TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
8{=(#] tb.Text....
7/$Z7J!k }
(a4y1k t- J3}C T 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
m_ONsZHy jE5
9h 〖思归〗
g:6}zHK <asp:TemplateColumn HeaderText="数量">
hD.wKX?oO <ItemTemplate>
i@?<]n <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
VqT[ca\ onkeyup="javascript:DoCal()"
gl{PLLe[} />
+q?0A^C> P##( V!YR <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
u2m{Yx| </ItemTemplate>
w
I
7 </asp:TemplateColumn>
,7nb;$] <+JFal <asp:TemplateColumn HeaderText="单价">
3K]0sr <ItemTemplate>
G/;aZ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
zgOwSg8 onkeyup="javascript:DoCal()"
b0CaoSWo />
u^.k"46hn :qKY@-t7H <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
ZaV66Y> !_z>w6uR
</ItemTemplate>
FJH8O7 </asp:TemplateColumn>
@{GxQzo H4",r5qw: <asp:TemplateColumn HeaderText="金额">
6#63D>OWp <ItemTemplate>
4U1fPyt <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
4!W?z2ly~R </ItemTemplate>
wbKBwI5w </asp:TemplateColumn><script language="javascript">
~l(tl[ function DoCal()
B9Tztg
{
\B+SzW var e = event.srcElement;
oa|*-nw var row = e.parentNode.parentNode;
! { aA*E{ var txts = row.all.tags("INPUT");
3$f5][+U if (!txts.length || txts.length < 3)
T:5%sN;#O return;
siZ_JJW L. ?dI82c var q = txts[txts.length-3].value;
gx
R|S
var p = txts[txts.length-2].value;
W
9MZ m&c(N if (isNaN(q) || isNaN(p))
Olh-(u:9+O return;
$ aBSr1 m8A1^ R q = parseInt(q);
C8zeqS^N p = parseFloat(p);
$d[:4h~ lD=j/ txts[txts.length-1].value = (q * p).toFixed(2);
`r$WInsDu }
UoT}m^ G </script>
ITPpT JNCtsfd w:(7fu= ExU|EN- 8ngf(#_{_n 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。
m*,[1oeG& page_load
L uKm page.smartNavigation=true
pC
Is+1O/ !sWBj'[> 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 ?
2{:
J1'pC private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
?2>v5p {
.Sw'Bo!Ee for(int i=0;i<e.Item.Cells.Count-1;i++)
T<GD !j( if(e.Item.ItemType==ListItemType.EditType)
7OHw/-j\ {
Qn&^.e9I e.Item.Cells.Attributes.Add("Width", "80px")
z3LPR:&Z }
C^O^Jj5X% }
K<(sqH .?]_yX 26.对话框
BVeNK=7m% private static string ScriptBegin = "<script language=\"JavaScript\">";
k;X1x65uP private static string ScriptEnd = "</script>";
zwK;6&(W K7Tell\` public static void ConfirmMessageBox(string PageTarget,string Content)
ay[*b_f {
GQWTQIl] string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
d'D\#+%>= ?"u-@E[m ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Ux]@prA q 1yc@q8 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
E.9k%%X] ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
|/Z)? //Response.Write(strScript);
k] YGD }
W}3vY] feHAZ.8rp+ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
*&MkkI# LRs;>O 1.1 取当前年月日时分秒
>*CK@"o currentTime=System.DateTime.Now;
F
x8)jBB_ KK|Jach 1.2 取当前年
OUMr}~/ int 年= DateTime.Now.Year;
l))IO`s=_ essW,2,rjC 1.3 取当前月
;Bi{;>3 int 月= DateTime.Now.Month;
4tWI)}+ak H4jqF~ 1.4 取当前日
4/_|Qy int 日= DateTime.Now.Day;
$Bb/GXn{\ (DAJ(r~ 1.5 取当前时
1^dWmxUZH int 时= DateTime.Now.Hour;
Z8UM0B=i -C<aB750O) 1.6 取当前分
Wno5B/V int 分= DateTime.Now.Minute;
\ }f* xc?<:h" 1.7 取当前秒
rfpxE>_|G int 秒= DateTime.Now.Second;
E3.s8}} uD3_'a 1.8 取当前毫秒
e vuP4-[y int 毫秒= DateTime.Now.Millisecond;
=<xbE;,0 k=_@1b- 28.自定义分页代码:
W -&5
v _Oq\YQb v 先定义变量 :
miqCUbcU public static int pageCount; //总页面数
xM\ApN~W public static int curPageIndex=1; //当前页面
K(S/D(\
FL K4~Ox 下一页:
5Bo)j_Qo if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Z]d]RL&r {
qI@_ DataGrid1.CurrentPageIndex += 1;
nrBitu, curPageIndex+=1;
<X*8Xzmv }
-}o;Y)
_#B/#^a bind(); // DataGrid1数据绑定函数
pM3BBF% 2oLa`33c1 上一页:
|&7,g if(DataGrid1.CurrentPageIndex >0)
oJ:J'$W( {
= ;d<Ikj DataGrid1.CurrentPageIndex += 1;
L4b4X curPageIndex-=1;
g!ww;_ }
cK&oC$[r- =@o} bind(); // DataGrid1数据绑定函数
63=m11Z4 'o L8Z 直接页面跳转:
qzz'v int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
M5uN1* d9"4m>ymS if(a<DataGrid1.PageCount)
$}fA;BP {
2Fi*)\{ this.DataGrid1.CurrentPageIndex=a;
~l~g0J }
u7d]%<~'$F {,=,0NQKn bind();
605|*( >^&+,*tsS4 29.DataGrid使用:
r8rR _M{P oV`sCr5% 添加删除确认:
\Z':hw private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
se[};t: {
m@YLZ foreach(DataGridItem di in this.DataGrid1.Items)
r;z A ` {
"RLb wm~ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
-wB AFr {
o*_ D ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
5mU_S\)4:z }
nKdLhCN'= }
Q1z04m1_y[ }
yhaYlYv[_3 oWmla*nCKL 样式交替:
j7&l&)5 ListItemType itemType = e.Item.ItemType;
{Y Ymt!Ic nP^$p C if (itemType == ListItemType.Item )
HdM;c*K {
tANG ] e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
/
<p HDY e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0N.*c }
jTnu! H2o else if( itemType == ListItemType.AlternatingItem)
@^Oww(I {
-bwl~3ZTi e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
OjZ@_V: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
PW}.` }
Cp%|Q.? EeO{G*pq 添加一个编号列:
0*)79Sz DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
U{EW +> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
4%TC2Laii N!AFsWV for(int i=0;i<dt.Rows.Count;i++)
T (qu~} {
cO:x{~ dt.Rows["number"]=(i+1).ToString();
L6^h3*JyD }
/03>|Juo :R)IaJ6) DataGrid1.DataSource=dt;
DI_mF#5q DataGrid1.DataBind();
amRtFrc| W4<}w-AoEp DataGrid1中添加一个CheckBox,页面中添加一个全选框
tz,FK;8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Fr~xN!
{
e\<I:7%Rg foreach(DataGridItem thisitem in DataGrid1.Items)
~J|0G6H {
V;"'!dVX ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
nFqMS|EN }
LdOB[W }
Dng^4VRd iaB5t<t1r 将当前页面中DataGrid1显示的数据全部删除
GOt@x9% foreach(DataGridItem thisitem in DataGrid1.Items)
/?sV\shy {
[#:k3aFz if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Ev%\YI!MaY {
<