1. 打开新的窗口并传送参数:
:mg#&MZj< A= ,q& 传送参数:
K-vso4@BJ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
}i/{8OuW 0Fi7| 接收参数:
qBCZ)JEN#U string a = Request.QueryString("id");
qqkZbsN string b = Request.QueryString("id1");
]8H;LgM2 -lAA,}&+! 2.为按钮添加对话框
co~TQpy^ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<(^-o4Cl button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
^2=Jv.2{| mTs[3opg 3.删除表格选定记录
YY]LK%- int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
i]1[eGF string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)<3WVvB 3>S.wyMR4 4.删除表格记录警告
H;$w^Tr private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
5[Q44$a{ {
:uI}"Bp switch(e.Item.ItemType)
N%Lh_2EzqV {
F htf4 case ListItemType.Item :
Sfvi|kZX case ListItemType.AlternatingItem :
O#k?c } case ListItemType.EditItem:
e7hPIG TableCell myTableCell;
_L:
/2 myTableCell = e.Item.Cells[14];
*$hO C%( LinkButton myDeleteButton ;
>,~JQ%1 myDeleteButton = (LinkButton)myTableCell.Controls[0];
xJO[pT v myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
G`)I _uO break;
u
|f h!- default:
! Noabt break;
8fDnDA.e }
OZISh? tcRK\ }
w5&UG/z%l q.g!WLiI 5.点击表格行链接另一页
M8g=t[\ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1F$a
My? {
c<4pu //点击表格打开
J@R+t6$3O if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SS H/q/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
8:0l5cZE }
}>h?W1 >i=O =w 双击表格连接到另一页
%K%8
~B [[bMYD1eO 在itemDataBind事件中
(jQL? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@AyC0} {
mFo6f\DHr` string OrderItemID =e.item.cells[1].Text;
F<^,j7@ ...
,q:6[~n e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
#s]]\ }
Q)Ppx 7) NIYAcLa@n8 双击表格打开新一页
^K;,,s;0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9MGA#a {
73]%^kx= string OrderItemID =e.item.cells[1].Text;
{yfG_J ...
kvo741RO6 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
3z5,4ps }
/,B"H@J 0dnm/'L ★特别注意:【?id=】 处不能为 【?id =】
_@d.wfM 6.表格超连接列传递参数
;vd%=vR <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
-R:1-0I$ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
*emUQ/uvf JBg",2w |C 7.表格点击改变颜色
O81})r*Y if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
w|RG {
4>,
<b1Y e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
S&]JY this.style.color=’buttontext’;this.style.cursor=’default’;");
8LkC/ }
.11iulQ m_St"`6 . 写在DataGrid的_ItemDataBound里
mX "z$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(6.0gB$aTu {
(s"_NU j6 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
rT"8e*LT this.style.color=’buttontext’;this.style.cursor=’default’;");
BD9` +9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
-EITz }
L5eaQu *D|6g|Hb h`5au<h< 8.关于日期格式
Q_@
Z.{ f\|33)k 日期格式设定
GR|Vwxs<@P DataFormatString="{0:yyyy-MM-dd}"
F.T~txQ~u M/B_-8B_D 我觉得应该在itembound事件中
D0-C:gz e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
I5 [r-r A$^}zP'u0< 9.获取错误信息并到指定页面
G19FSLrtA }3vB_0[r 不要使用Response.Redirect,而应该使用Server.Transfer
&jg,8 VQLo
vt" e.g
=D3Y
q? // in global.asax
3`="4 protected void Application_Error(Object sender, EventArgs e) {
]YwIuz6 ] if (Server.GetLastError() is HttpUnhandledException)
Y`c\{&M6 Server.Transfer("MyErrorPage.aspx");
5+ VdZ'@ ;ATk?O4T //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
i?mDR$X: }
hbN*_[ nY(jN D 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
# Dy;x\a }*?e w 10.清空Cookie
$`]<4I9d Cookie.Expires=[DateTime];
u8o!ncy Response.Cookies("UserName").Expires = 0
@$tQz ~L 4"t_- 11.自定义异常处理
qQVqS7 t //自定义异常处理类
CZ1tqAk- using System;
Url8Z\;aM using System.Diagnostics;
Te5_T&1Z `uGX/yQ#= namespace MyAppException
7p2x}[ .\ {
9]hc{\ /// <summary>
)_+#yaC /// 从系统异常类ApplicationException继承的应用程序异常处理类。
c) 1m4SB@ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
'+-R 7# /// </summary>
yqCy`TK8 public class AppException:System.ApplicationException
y.mojx%?a {
W+1V&a}E public AppException()
S0"OU0`N {
ts)0+x if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
:X@;XEol~ }
"I_3!Yu \`4}h[ public AppException(string message)
DY,Sfh;tp {
nA+[[(6 LogEvent(message);
S:
/ShT }
9}3W0F; /$ L;m public AppException(string message,Exception innerException)
`[Lap=.'. {
-4X,x LogEvent(message);
B?TAS if (innerException != null)
Nz$OD_] {
U6_1L,W LogEvent(innerException.Message);
r+
vtKb }
ir/ 2/
E }
~\XB' - FE) //日志记录类
x6F\|nb using System;
!.p! using System.Configuration;
|a'Q^aT using System.Diagnostics;
J'2R-CI, using System.IO;
ZZlR:D using System.Text;
:B"'49Q` using System.Threading;
Cr(pN[,
i 0L7`TB namespace MyEventLog
hW/*]7AM^ {
MRmz/ZmRM /// <summary>
b8QW^Z /// 事件日志记录类,提供事件日志记录支持
1eT| /// <remarks>
Bt.W_p /// 定义了4个日志记录方法 (error, warning, info, trace)
tD>m%1'& /// </remarks>
q9Fc0(&Vf /// </summary>
")Bf^DV public class ApplicationLog
)P|Ql-rE4 {
]kc_wFT< /// <summary>
BRH:5h /// 将错误信息记录到Win2000/NT事件日志中
8N|*n"`} /// <param name="message">需要记录的文本信息</param>
u,oxUySeG /// </summary>
`cZG&R public static void WriteError(String message)
Jr1^qY`0+ {
FRfMtxvU WriteLog(TraceLevel.Error, message);
s$Roe(J }
;z%& 3u/ L.|GC7$0 /// <summary>
%/UQ0d~b /// 将警告信息记录到Win2000/NT事件日志中
KAUYE^ /// <param name="message">需要记录的文本信息</param>
xD_jfAH' /// </summary>
2RM1-j
($ public static void WriteWarning(String message)
gqe
z- {
Jl5<9x WriteLog(TraceLevel.Warning, message);
uj8]\MY }
~2"|4 w.0.||C
O /// <summary>
l~f +h?cF /// 将提示信息记录到Win2000/NT事件日志中
L8Z?B\ /// <param name="message">需要记录的文本信息</param>
;1eu8N8 /// </summary>
-"a]) -
j public static void WriteInfo(String message)
EBebyQcon {
([$F5
q1TR WriteLog(TraceLevel.Info, message);
sIELkF?. }
{CGk5` g~ /// <summary>
cHR }`U$ /// 将跟踪信息记录到Win2000/NT事件日志中
KY_qK)H /// <param name="message">需要记录的文本信息</param>
.h*&$c/l /// </summary>
` D4J9;|;] public static void WriteTrace(String message)
Y,)9{T {
r3*wH1n WriteLog(TraceLevel.Verbose, message);
6tnAE': }
pp{%\td I5 2wTl0
/// <summary>
gW*ee /// 格式化记录到事件日志的文本信息格式
^?juY}rZ=| /// <param name="ex">需要格式化的异常对象</param>
*|` ' L /// <param name="catchInfo">异常信息标题字符串.</param>
X;}_[=- /// <retvalue>
sI^1c$sBN /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
2y<d@z:K /// </retvalue>
bNL E=#ro /// </summary>
r &TxRsg{ public static String FormatException(Exception ex, String catchInfo)
0+S:2i/G {
VK|!aqA{b StringBuilder strBuilder = new StringBuilder();
[NKWudq if (catchInfo != String.Empty)
?X:RrZ:/ {
wvq<5gy} strBuilder.Append(catchInfo).Append("\r\n");
NS&~n^*k< }
DO%YOv strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
i[YYR,X| return strBuilder.ToString();
V<d'psb6 }
cBm3|@7 `Cb$8;)z /// <summary>
f[ER`! /// 实际事件日志写入方法
tv;3~Y0i /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
{8"W /// <param name="messageText">要记录的文本.</param>
:ss9- /// </summary>
[hFyu|I! private static void WriteLog(TraceLevel level, String messageText)
7 IIM8/BI {
:F<a~_k try
a%-Yl%# {
)}6:Ke) EventLogEntryType LogEntryType;
bxyU[` switch (level)
huR<+ =! {
tL
IE^ case TraceLevel.Error:
' u0{h LogEntryType = EventLogEntryType.Error;
a~{Stv break;
7,O^c+ case TraceLevel.Warning:
oVsl,V LogEntryType = EventLogEntryType.Warning;
n09|Jzv9 break;
NtT)Wl case TraceLevel.Info:
{+`ep\.$& LogEntryType = EventLogEntryType.Information;
XRNL;X%}7 break;
"Dy&` case TraceLevel.Verbose:
X0=R
@_KY LogEntryType = EventLogEntryType.SuccessAudit;
'kUrSM'*$N break;
$jc>?.6 default:
OPjscc5 LogEntryType = EventLogEntryType.SuccessAudit;
%M^b Z? break;
8 zY)0 }
tdt6* ? jOpW1 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Rd#,Tl\ //写入事件日志
i>w>UA*t eventLog.WriteEntry(messageText, LogEntryType);
oiR`\uY v=W%|iZ }
s&tr84u| catch {} //忽略任何异常
1yKf=LZ^ }
x'
} //class ApplicationLog
eM~i (]PY }
/Pf7= P ll5Kd=3 12.Panel 横向滚动,纵向自动扩展
"n05y} <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
km3-Hp1 xbmOch}j6 13.回车转换成Tab
VSSiuo'5w <script language="javascript" for="document" event="onkeydown">
;j52a8uE'} if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p4el9O&-tV event.keyCode=9;
2<J82(4j </script>
*'`-plS7 a<HM|dcst onkeydown="if(event.keyCode==13) event.keyCode=9"
^7_<rs #p[=iP 14.DataGrid超级连接列
>MhkNy DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
dA_s7), x,1&ml5 15.DataGrid行随鼠标变色
Sa@Xh,y Z private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ZERd#7@m+ {
%Ajf|Go0/G if (e.Item.ItemType!=ListItemType.Header)
pFG~XW {
|Rab'9U^ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
]9x30UXLwD e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Nls|R }
LXx3 }
vR`KRI`{ 4b<:67
% 16.模板列
T$q]iSgu <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
$4eogI7N>w <ITEMTEMPLATE>
f< '~K <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
oZzE.Q1T </ITEMTEMPLATE>
xAoozDj </ASP:TEMPLATECOLUMN>
z#-&M J
t qER;L <ASP:TEMPLATECOLUMN headertext="选中">
2Hq!YsJ4] <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
c(eu[vj: <ITEMTEMPLATE>
c[;I\g <ASP:CHECKBOX id="chkExport" runat="server" />
VX- f~ </ITEMTEMPLATE>
0_Y;r{3m" <EDITITEMTEMPLATE>
<vj&e(D^ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
I
4EocM= </EDITITEMTEMPLATE>
g:*yjj </ASP:TEMPLATECOLUMN>
AU7c =
H:? [PU.lRq 后台代码
]w')~yk protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
_=cMa's {
M`5^v0,C //改变列的选定,实现全选或全不选。
Oi{jzP CheckBox chkExport ;
$U6)km4 if( CheckAll.Checked)
TRQva8d? {
KpK'?WhX7^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
T[7-3[w<) {
*D9QwQ
_| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3W27R chkExport.Checked = true;
sDwSEg>#B }
t;?
q#!uc }
3XA^{&} else
LOOv8'%O8 {
)>?K:y8I~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
j0OxR.S {
{X<tUco chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Karyipn} chkExport.Checked = false;
?= fJu\; }
gFW1Nm_DJ }
PgxU;N7Y }
0ogTQ`2Z: 9x:c"S* 17.数字格式化
$w65/ :|d3BuY 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
f:=?"MX7 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
$A-b-`X rA_e3L@v#[ int i=123456;
u''(;U[ string s=i.ToString("###,###.00");
|m?0h.O, ABx0IdOcI 18.日期格式化
{Ji[d.cY fdPg{3x*k 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
iveWau292 Ddu$49{S: 显示为: 2004-8-11 19:44:28
kgA')] gsZCWT 我只想要:2004-8-11 】
2B*9]AHny <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
JNsK 8S)k]$ wf% 应该如何改?
7o;}"Y1 uODpIxN 【格式化日期】
J
\G8g,@ N7[i443a 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
J\Sewg9 0/),ylCj 【日期的验证表达式】
WJhI6lu f^',J@9@ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
q 3
9RD ^((\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})))?$
"Z,'NL>& iJ#sg+ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2.CI^.5& ^\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]))$
Gm_Cq2PD( 92S<TAdPP 【大小写转换】
CjD2FnjT HttpUtility.HtmlEncode(string);
_I75[W! HttpUtility.HtmlDecode(string)
o^lKM?t F|Ou5WD 19.如何设定全局变量
p>!`JU`{? (m@({ Global.asax中
6Si z9 E5Z,4B Application_Start()事件中
(LGx;9S? !d^5mati)T 添加Application[属性名] = xxx;
>7
4'g} r`mfLA]d 就是你的全局变量
x!
Z|^q
y%z$_V] 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
I=.98v% MQLa+I,S4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
3'IF?](]U XN??^1{J}] 【ASPNETMENU】点击菜单项弹出新窗口
gzi~BJ \-c70v63X 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Azu$F5G!n <?xml version="1.0" encoding="GB2312"?>
^e)KEkh <MenuData ImagesBaseURL="images/">
R ]HHbD&; <MenuGroup>
& [4Gv61 <MenuItem Label="内参信息" URL="Infomation.aspx" >
_g
3hXsA <MenuGroup ID="BBC">
0f1*#8-6 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
XlR.Y~ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
1?Wk qQ ......
~%>ke #
bP1rQ0 最好将你的aspnetmenu升级到1.2版
PT|t6V"wd / bfLox 21.读取DataGrid控件TextBox值
>^kRIoBkg foreach(DataGrid dgi in yourDataGrid.Items)
IhY[c/|i {
LzP+l>m TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
P>Pw;[b>O tb.Text....
^!?W!k!:V }
F"~uu9u ? !cUAa>iH 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?
f)/Yru. ; P**h\+M>{ 〖思归〗
I6zKvP8pb <asp:TemplateColumn HeaderText="数量">
':6`M <ItemTemplate>
&*A7{76x <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
l3rr2t onkeyup="javascript:DoCal()"
Y!"LrkC />
0c
/xE<h \"|E8A6/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
6f{Kj) </ItemTemplate>
):kDWc </asp:TemplateColumn>
o[&*vc) 4f'1g1@$ <asp:TemplateColumn HeaderText="单价">
p^MV<}kk <ItemTemplate>
8<{)|GoqB <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
]uG9WT6l onkeyup="javascript:DoCal()"
L;wzvz\+ />
Q6]SsV?x R:fERj<s <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
MB%yC]w8 {p=`"H> </ItemTemplate>
'M VE5 </asp:TemplateColumn>
qwoF4_VN (V!:6 <asp:TemplateColumn HeaderText="金额">
[x{'NwP? <ItemTemplate>
}f?$QSF <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
W&T-E, </ItemTemplate>
M4~^tML>Ey </asp:TemplateColumn><script language="javascript">
.SAOE'Foo function DoCal()
Lzm9Kh; {
ER;?[! var e = event.srcElement;
fX^<H_1$G var row = e.parentNode.parentNode;
. =yF var txts = row.all.tags("INPUT");
Hyh$-iCa if (!txts.length || txts.length < 3)
O3x9S,1i return;
Pp# 3"!h+dXw var q = txts[txts.length-3].value;
o'+p,_y9Y@ var p = txts[txts.length-2].value;
p48mk >cpT_M&C, if (isNaN(q) || isNaN(p))
ckykRqk} return;
$3psSQQo 14Y_ oH9 q = parseInt(q);
Utd`T+AF* p = parseFloat(p);
r01Z
0> !Z]#1"A8 txts[txts.length-1].value = (q * p).toFixed(2);
lkl+o&D9 }
NGIt~"e7R4 </script>
`n)e]
dn d< j+a1& }Vjg>" @{n"/6t @komb IK 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
RrA9@95+ page_load
.z0NMmz0z page.smartNavigation=true
+&bJhX rr~O6Db 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
L6<.>\^Z" private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
40h {
FabgJu for(int i=0;i<e.Item.Cells.Count-1;i++)
-]n\|U< if(e.Item.ItemType==ListItemType.EditType)
t}6QU {
^__';! e e.Item.Cells.Attributes.Add("Width", "80px")
N)CM^$(T| }
2 8> }
pUF$Nq>og /;E{(%U)t 26.对话框
r`-=<@[ private static string ScriptBegin = "<script language=\"JavaScript\">";
5!-+5TJI private static string ScriptEnd = "</script>";
ZP-^10
DL<b)# h# public static void ConfirmMessageBox(string PageTarget,string Content)
`
ES-LLhVf {
(r*"}"ZG string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
c6-~PKJL KJ (|skO ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
=2XAQiUR\ -,:^dxE' Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
}ZqnsLu[) ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
b,h@.s //Response.Write(strScript);
}jdMo83 }
@qUgp*+{ ~ p~ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
'<=77yDg )>"|<h.2] 1.1 取当前年月日时分秒
tW-wO[2 currentTime=System.DateTime.Now;
-8zdkm8k tEuVn5 1.2 取当前年
:Eb=jWA int 年= DateTime.Now.Year;
s$g3__|Y 80_}}op?8 1.3 取当前月
d#(ffPlq int 月= DateTime.Now.Month;
+,c]FAx4 MZd?cS 1.4 取当前日
2^w8J w9 int 日= DateTime.Now.Day;
F%< ZEVm 3le$0f:O 1.5 取当前时
GD-L0kw5 int 时= DateTime.Now.Hour;
9z#z9|hj)3 DMdVE P"m 1.6 取当前分
h~`^H9?M int 分= DateTime.Now.Minute;
kY?w] lS)t >Py:9~g, 1.7 取当前秒
4++
&P9 int 秒= DateTime.Now.Second;
tNvjwgV\ dkWV/DAm 1.8 取当前毫秒
|1%eo. int 毫秒= DateTime.Now.Millisecond;
K0A[xkX6 L/ g8@G
; 28.自定义分页代码:
"W^+NeLc w<LV5w+ 先定义变量 :
X<sM4dwxE public static int pageCount; //总页面数
:8t;_f public static int curPageIndex=1; //当前页面
)ko[_OJj Bv xLbl} 下一页:
;:
xE'- if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
kxCN0e#_ {
:@4+ } DataGrid1.CurrentPageIndex += 1;
{F=`IE3)w curPageIndex+=1;
~F"w }
kD46Le++B 719lfI&s bind(); // DataGrid1数据绑定函数
S'(IG m4 {ui{Y c 上一页:
bn:74,GeyK if(DataGrid1.CurrentPageIndex >0)
U<|*V5 {
J?Bj=b DataGrid1.CurrentPageIndex += 1;
cv5+[;(b curPageIndex-=1;
$Sgq7 }
PO nF_FC bx%Ky0Z bind(); // DataGrid1数据绑定函数
MK.TBv b5)1\ANq 直接页面跳转:
&q>C int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
3!op'X! Y41b8.|P+ if(a<DataGrid1.PageCount)
bjBXs;zr@\ {
ThY\K>@] this.DataGrid1.CurrentPageIndex=a;
T@xaa\bzg }
V'FKgzd uquY
z_2 bind();
.6c
Bx OIs!,G| 29.DataGrid使用:
U!jRF eIj2(q9 添加删除确认:
GdM|?u&s" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Mtaky=l8~I {
,&iEn}xG7i foreach(DataGridItem di in this.DataGrid1.Items)
/b]+RXvxj {
#y8Esik if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
=5O&4G`} {
:z`L) ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
W0S\g# }
bg2r }
vt#&YXu{A }
m 0]1(\% Am<){&XT
] 样式交替:
-I:L6ft8 ListItemType itemType = e.Item.ItemType;
6?';ip pmiC|F83!8 if (itemType == ListItemType.Item )
<uImZC {
A
|P
wm` e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
z(#CO<C.t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
J;k8 a2$_ }
E J&w6),d else if( itemType == ListItemType.AlternatingItem)
r*c x_** {
=%S*h)}@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
QsPZ dC e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
-sx=1+\nf }
nTE\EZ+=2 \;Sl5*kr 添加一个编号列:
w&Z.rB? DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
&x3R+(H { DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
1QbD]"=n NftR2 for(int i=0;i<dt.Rows.Count;i++)
3
jghV?I{T {
-+0!Fkt@, dt.Rows["number"]=(i+1).ToString();
Ny$N5/b!! }
be]Zx`)k gWl49'S>+ DataGrid1.DataSource=dt;
82YZN5S3]3 DataGrid1.DataBind();
8"ulAx74> ynn>d DataGrid1中添加一个CheckBox,页面中添加一个全选框
POQ4&ChA private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0KN'\KE {
BO>[\!=y foreach(DataGridItem thisitem in DataGrid1.Items)
[M?&JA