1. 打开新的窗口并传送参数:
*jhgCm =-Hhm($n 传送参数:
eikZ~!@ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
nam]eW *0" ojfVn 接收参数:
g^
?G)> string a = Request.QueryString("id");
JYWoQ[ZO#> string b = Request.QueryString("id1");
a0)w/A& w#)u+^ - 2.为按钮添加对话框
Yr{hJGw[ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Wi=zu[[qc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
d 8;kM`U &iWTf K7 3.删除表格选定记录
MH)V=xU|) int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!4Zy$69R string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
}&+,y<> gpyio1V> 4.删除表格记录警告
\%r0'1f private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
iPl,KjGk {
hpXW tQ switch(e.Item.ItemType)
MJX4;nbl {
kntY2FM case ListItemType.Item :
64mh. j case ListItemType.AlternatingItem :
w tGS"L case ListItemType.EditItem:
[*O>Lk TableCell myTableCell;
muXP5MO myTableCell = e.Item.Cells[14];
%r.OV_04 LinkButton myDeleteButton ;
d#+Nef5 myDeleteButton = (LinkButton)myTableCell.Controls[0];
\(7A7~ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
o:v_I{ break;
!S&/Zp default:
?@PSD\
break;
P9m }
a$?d_BX z\<,}x}V }
ma-GvWD2 s@&3;{F6D 5.点击表格行链接另一页
VDOC> private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Cxq|N]E
{
tvf.K+ //点击表格打开
wz3X;1l`c if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Jc?zX8>Ae: e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
G~C-tAB }
5\zR>Tg". (M|DNDM'd 双击表格连接到另一页
Q?T+^J zd 2_k 9 在itemDataBind事件中
0kCo0{+n if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c;/vzIJj {
VF11eZ" string OrderItemID =e.item.cells[1].Text;
:0(^^6Q\ ...
7L/LlO/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
3pML+Y|ij }
p=UW ^95 N`7OJ)l 双击表格打开新一页
e;~(7/1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c.1gQy$}| {
JE{cZ<NNH string OrderItemID =e.item.cells[1].Text;
2hNl_P~z1u ...
):4)8@]5M e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
WFc4(Kl }
5"40{3 \nP79F0%2 ★特别注意:【?id=】 处不能为 【?id =】
o=94H7@ 6.表格超连接列传递参数
(rJ-S"^u <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
3}g>/F~ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
LiFR7\z N/WtQSl 7.表格点击改变颜色
}@6yROy.
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j<)$ [v6 {
!nL94:8U e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?uc]Wgw"s this.style.color=’buttontext’;this.style.cursor=’default’;");
NG3:= }
>A]l|#Rz Uu+ibVM$ 写在DataGrid的_ItemDataBound里
a!6r&<s=E if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
SJ22 {
cM9>V2:P e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<,p$eQ)T% this.style.color=’buttontext’;this.style.cursor=’default’;");
#O~pf[[L e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
yn+m,K/ }
xcl;~"c* 6(?@B^S>2 ^F?B_' 8.关于日期格式
x&u@!# d] 7>@0nHec 日期格式设定
2vB,{/GXP DataFormatString="{0:yyyy-MM-dd}"
GD}rsBQNkJ .e5@9G.jb 我觉得应该在itembound事件中
B!`.,3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
BQUYT/$( a'-xCV|^ 9.获取错误信息并到指定页面
r
UZN$="N ?nu<)~r53 不要使用Response.Redirect,而应该使用Server.Transfer
J
R~s`>2
h8p{ e.g
Xo(W\Pes // in global.asax
jQz^)8)B protected void Application_Error(Object sender, EventArgs e) {
RF6]_-
if (Server.GetLastError() is HttpUnhandledException)
OAo03KW Server.Transfer("MyErrorPage.aspx");
n}b/9 \Qv:7;? //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Vm@VhCsp }
X`v6gv5qj (/&ht-~EL Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Q ijO%) Qu<HeSA_ 10.清空Cookie
8Rw:SU9H?T Cookie.Expires=[DateTime];
zN9@.!?X2 Response.Cookies("UserName").Expires = 0
MwD+'5
&{WEtaXaa 11.自定义异常处理
c uAp,! //自定义异常处理类
K4Nz I9@ using System;
J+0
?e9 using System.Diagnostics;
M{u 7Ef { ~{D(k namespace MyAppException
v{lDEF@2^N {
8zeD%Uv /// <summary>
V^.Z&7+E`_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
LM"b% /// 自动将异常内容记录到Windows NT/2000的应用程序日志
j _E(h. /// </summary>
|C+
5 public class AppException:System.ApplicationException
Z^mIGy} {
%^I 7= public AppException()
,-$%>Uv {
NJ}xqg if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
uY3$nlhP6 }
1Ogtzf h9c7P@29 public AppException(string message)
tx3p,
X {
;F, 6]LH! LogEvent(message);
-jTK3&5 }
>i1wB!gc8 A}pe>ja public AppException(string message,Exception innerException)
q_;# EV {
8BS$6Pa LogEvent(message);
:/Y4I)' if (innerException != null)
=5pwNi_S {
)d
{8Cu6 LogEvent(innerException.Message);
Y'6P ~C;v }
u4=ulgi }
;rCCkA6 V^9%+L+E5 //日志记录类
~te{9/ using System;
/oM&29 jy using System.Configuration;
~fgS"F^7n using System.Diagnostics;
2I4G=jM[ using System.IO;
b;mpZ|T. using System.Text;
WIwGw %_~ using System.Threading;
c3Ig4 n0Y> gd31d s!G namespace MyEventLog
a 6fH *2E {
[nsTO5G$u /// <summary>
[S`Fm>, /// 事件日志记录类,提供事件日志记录支持
h2]GV- /// <remarks>
*i7-_pT /// 定义了4个日志记录方法 (error, warning, info, trace)
^&c|z35F /// </remarks>
q*J-ii /// </summary>
kA 4kQ}q public class ApplicationLog
'_=XfTF {
EX3;|z@5; /// <summary>
'aZAWY d /// 将错误信息记录到Win2000/NT事件日志中
97!VH>MX /// <param name="message">需要记录的文本信息</param>
5i3nz=~o /// </summary>
9EZh~tdV[ public static void WriteError(String message)
)i.\q {
zpxyX| WriteLog(TraceLevel.Error, message);
?v@q& }
);F
/P0P @(tiPV /// <summary>
==7=1QfP /// 将警告信息记录到Win2000/NT事件日志中
8\Z/mU*4 /// <param name="message">需要记录的文本信息</param>
O~#OVFJ9= /// </summary>
5U l=Nv] public static void WriteWarning(String message)
dI8y}EbE~ {
f9E.X\" WriteLog(TraceLevel.Warning, message);
bzMs\rj\ }
"l09Ae'V w+ibY /// <summary>
YC~kq? /// 将提示信息记录到Win2000/NT事件日志中
kmL~H1qd /// <param name="message">需要记录的文本信息</param>
+Mh 9Jf /// </summary>
Tq.%_/@M< public static void WriteInfo(String message)
u"r1RG' {
_{?/4ZhA\+ WriteLog(TraceLevel.Info, message);
o{QPW }
!}uev /// <summary>
;,_c1x/F /// 将跟踪信息记录到Win2000/NT事件日志中
?jBh=X\]: /// <param name="message">需要记录的文本信息</param>
POUD*(DqNK /// </summary>
^Ul*Nm
public static void WriteTrace(String message)
t3$+;K( {
.We"j_
} WriteLog(TraceLevel.Verbose, message);
!g-19at }
<wt9K2, W>7 o
ec /// <summary>
)/<\|mR /// 格式化记录到事件日志的文本信息格式
B,dKpz;kFg /// <param name="ex">需要格式化的异常对象</param>
ODqWXw# /// <param name="catchInfo">异常信息标题字符串.</param>
6JL:p{RLi /// <retvalue>
v:]
AS: /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
K_~SJbl /// </retvalue>
[R[Suf /// </summary>
1G+?/w public static String FormatException(Exception ex, String catchInfo)
GwVSRI:[N {
AfW9;{j&I StringBuilder strBuilder = new StringBuilder();
=i)k@w_(x if (catchInfo != String.Empty)
7^:0?Q {
3~!PJI1 strBuilder.Append(catchInfo).Append("\r\n");
R'r^v }
lF LiW strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
U~8 oE_+ return strBuilder.ToString();
7[ra#>e8' }
X[c8P7 mI~k@ !3 /// <summary>
)TcW.d6 /// 实际事件日志写入方法
$r=Ud > /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_7zER6#} /// <param name="messageText">要记录的文本.</param>
d6k`=Hlg /// </summary>
0SziTM private static void WriteLog(TraceLevel level, String messageText)
d<v>C-nk% {
]jS+ItL@ try
k/#& ]8( {
=w!14@W EventLogEntryType LogEntryType;
BqKh&m switch (level)
C[O \aW {
P1
`-OM case TraceLevel.Error:
Gv}h/zu- LogEntryType = EventLogEntryType.Error;
4RqOg1 break;
DNaU
mz case TraceLevel.Warning:
7L:$Amb_F LogEntryType = EventLogEntryType.Warning;
;-d :!* break;
M-df Gk case TraceLevel.Info:
i'%:z]hp9 LogEntryType = EventLogEntryType.Information;
q|%(47}z break;
^\<1Y'' case TraceLevel.Verbose:
xe6 2gaT LogEntryType = EventLogEntryType.SuccessAudit;
A%s"WSx, break;
|EaEdA@T default:
=e,2/Ep{i LogEntryType = EventLogEntryType.SuccessAudit;
8Mq]
V
v break;
U:`g12 }
`?VB) oY{r83h{ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
h&vq} //写入事件日志
"+ji`{ eventLog.WriteEntry(messageText, LogEntryType);
#9Z*. 5xHl6T+ }
r=+r5k"` catch {} //忽略任何异常
H{P"$zj`l }
M+ gYKPP } //class ApplicationLog
'qhA4W9 }
<c6C+OWT, /tf}8d 12.Panel 横向滚动,纵向自动扩展
,g$N <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ET`;TfqM xXu/CGzG 13.回车转换成Tab
>i4UU0m <script language="javascript" for="document" event="onkeydown">
Rd5r~iT if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
G?MNM -2 event.keyCode=9;
7b,u|F </script>
>w?O?&Q$ J~:/,'Ea onkeydown="if(event.keyCode==13) event.keyCode=9"
w7"Z@$fs KwRO?G9& 14.DataGrid超级连接列
)A['+s DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
![iAALPNl Ng,#d`Br 15.DataGrid行随鼠标变色
%97IXrE private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
TUiXE~8= {
:(Feg 2c if (e.Item.ItemType!=ListItemType.Header)
-C5Qh&~W {
SD6xi\8 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
CV4r31w e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
vpUS(ztvs }
/9WR>NUAO }
*IGgbg[0 n5%rsNxg 16.模板列
R/iw#.Yy <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
`W8GfbL <ITEMTEMPLATE>
=1%3".
"n@ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
l\*} </ITEMTEMPLATE>
1HBch]J </ASP:TEMPLATECOLUMN>
'@Y@H, 5_nkN`x <ASP:TEMPLATECOLUMN headertext="选中">
b'^-$ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
UPPDs " <ITEMTEMPLATE>
y2^r.6"O <ASP:CHECKBOX id="chkExport" runat="server" />
BjJ$I^ </ITEMTEMPLATE>
t.>vLzrU <EDITITEMTEMPLATE>
;EE*#"IJ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
xk}YeNVj </EDITITEMTEMPLATE>
OXzJ%&h </ASP:TEMPLATECOLUMN>
Ni GK|Z ]5' 后台代码
S~}?6/G. protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
&S<tX]v {
Vr f` :% //改变列的选定,实现全选或全不选。
d;(L@9HHD CheckBox chkExport ;
Ni{(=&*= if( CheckAll.Checked)
PS@`
=Z {
|]]Xee] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Zi2NgVF {
C 9,p- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
vu YH+ chkExport.Checked = true;
u/cL[_Q }
^&DHBx"J }
%n9}P ,
? else
*#frbV?; {
`qSNS-> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
VD+8j29 {
>u~ [{(d , chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>&aFSL,f chkExport.Checked = false;
rGRxofi. }
v)+wr[Qs }
z(3mhMJY }
yGH'|` 7^Jszd:c08 17.数字格式化
^Y~ ,s =6q?XOM 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
9 YU7R) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7
4aap2^ $[[6N0}*: int i=123456;
or~o' string s=i.ToString("###,###.00");
OgS6#X qw0tw2| 18.日期格式化
z(>{"t<C #v')iR"
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
{`KgyCW: ^Q4w<sX' 显示为: 2004-8-11 19:44:28
||}|=Sz <Ky\ ^ 我只想要:2004-8-11 】
s+tS4E? <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
C%"h1zWE: o~gduNG# 应该如何改?
$ZXy&?4 r['T.yo 【格式化日期】
0d:t$2~C N*lq)@smq 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
#2I[F Fkz+Qz 【日期的验证表达式】
R',|Jf=` vP3Fb;
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
<=cj) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Xe*@`&nv@ R?>a UFM B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
-t?S:9[w ^\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]))$
g;\zD_":l e&7GW9FSg 【大小写转换】
~VUNN[ HttpUtility.HtmlEncode(string);
PFG):i-? HttpUtility.HtmlDecode(string)
.ymR%X_k *2 4P T7 19.如何设定全局变量
<jw`"L[D ]BP/KCjAI< Global.asax中
3oxQ[.o X5qU>'?` Application_Start()事件中
wv
,F>5P AT+|}B! 添加Application[属性名] = xxx;
ZGzrh`j{- .pi#Z/v 就是你的全局变量
d<V+;">2 "a5?cX; 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7u!R 'D (bH "x HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
2j4VW0: 6H VS0 【ASPNETMENU】点击菜单项弹出新窗口
W8yr06{] 2[9hl@=% 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Trbgg <?xml version="1.0" encoding="GB2312"?>
=d7 lrx+z <MenuData ImagesBaseURL="images/">
B HoZ}1_ <MenuGroup>
%9-).k <MenuItem Label="内参信息" URL="Infomation.aspx" >
=NF},j" <MenuGroup ID="BBC">
05DK-Wh? <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
>Bskw2 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'8i
np[_ ......
\0(QO8. mV`Z]-$$i 最好将你的aspnetmenu升级到1.2版
# u^F B *ta|, 21.读取DataGrid控件TextBox值
> g8;x# foreach(DataGrid dgi in yourDataGrid.Items)
z:RwCd1\ {
M)I&^mm39 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
kd|@. tb.Text....
~Rk6@&ZS} }
HHWB_QaL ;'}1 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?
4rwfY<G @ L% 3} 〖思归〗
Cg}cD. <asp:TemplateColumn HeaderText="数量">
GZXUB0W\@) <ItemTemplate>
l
K}('7\ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
L;fhJ~r onkeyup="javascript:DoCal()"
O#Xq0o />
lp!@uoN^T DD"]as"# <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
<z %zzc1s </ItemTemplate>
m,Q<4' </asp:TemplateColumn>
H:,rNaz7D^ jp=^$rS6[ <asp:TemplateColumn HeaderText="单价">
x?va26FV <ItemTemplate>
bH3-#mw5w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
?%;7k'0" onkeyup="javascript:DoCal()"
'<>pz<c />
,U],Wu) PM7*@~. <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
tE3!; -AD3Pd|Y[ </ItemTemplate>
;8|uY%ab </asp:TemplateColumn>
=6ZZ/+6b wcsUb9( <asp:TemplateColumn HeaderText="金额">
'Xxt[Jy <ItemTemplate>
,hT t]w <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
KNQX\-= </ItemTemplate>
b0PF7PEEQ </asp:TemplateColumn><script language="javascript">
{]Nvq9? function DoCal()
Xv]O1 f cI {
fk#SD "iJ var e = event.srcElement;
2o6KVQ
var row = e.parentNode.parentNode;
^Ml)g=Fq var txts = row.all.tags("INPUT");
;5PXPpJ if (!txts.length || txts.length < 3)
::9U5E;! return;
+QtK
"5M ojT TYR{ var q = txts[txts.length-3].value;
~U~KUL| var p = txts[txts.length-2].value;
_?Rprmjx} XlV#)JX if (isNaN(q) || isNaN(p))
lDCoYX_ return;
_j}|R(s*+V vtCt6M q = parseInt(q);
vbmi_[,U p = parseFloat(p);
<^
@1wg la</IpC txts[txts.length-1].value = (q * p).toFixed(2);
,wlFn }
XcR2]\ </script>
A%k@75V@ l<(MC R*
3RXq/E oa}-=hG A=I]1r 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。
}_@*, page_load
9=ns.r page.smartNavigation=true
FU;Tv). wta\C{{ 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 ?
?Z.p.v private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
aVNRhnM {
*q=pv8&*s for(int i=0;i<e.Item.Cells.Count-1;i++)
|k^'}n if(e.Item.ItemType==ListItemType.EditType)
w;&J._J {
GXYmJ4wR e.Item.Cells.Attributes.Add("Width", "80px")
5T:e4U&
}
HIk5Q'e k }
ymrmvuh #:3ca] k 26.对话框
=A$5~op% private static string ScriptBegin = "<script language=\"JavaScript\">";
/v
U$62KA private static string ScriptEnd = "</script>";
+Hc[5WL ;;2XLkWu public static void ConfirmMessageBox(string PageTarget,string Content)
5 qt]~v%y {
zFN:C()ig string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Cf91#%:cN AT<K>&) ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
W.r0W2))( <ZSH1~<{6 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
V\W?@V9g- ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
x{*g^f //Response.Write(strScript);
kl?U2A.= }
I+rHb<
P% ]e$mTRi* 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
M/EEoK^K@ )iNMjg 1.1 取当前年月日时分秒
fINF;TK currentTime=System.DateTime.Now;
qg7.E+ ZNuz%VO 1.2 取当前年
47|Lk]+O int 年= DateTime.Now.Year;
n;@PaE^8= W-qec 1.3 取当前月
({v$!AAv int 月= DateTime.Now.Month;
^
|z|kc O:IU|INq8 1.4 取当前日
ai)S:2 int 日= DateTime.Now.Day;
f*,jhJ_I tSaLR90Y6 1.5 取当前时
5z~rl}`v int 时= DateTime.Now.Hour;
DJVH}w}9_P Nj$3Ig"l 1.6 取当前分
qjFz}6 int 分= DateTime.Now.Minute;
8UJK]_99I, q_bE?j{ 1.7 取当前秒
VUpa^R int 秒= DateTime.Now.Second;
"1FPe63\*O DzydS=`w 1.8 取当前毫秒
V7[6jWgH int 毫秒= DateTime.Now.Millisecond;
E
( X;lL$ 28.自定义分页代码:
9UsA>m. /{>$E>N; 先定义变量 :
cKJf0S:cx- public static int pageCount; //总页面数
cXU8}>qY7 public static int curPageIndex=1; //当前页面
w#vSZbh Zyt,D|eWj 下一页:
HY0q!.qog if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
NRN3*YGo {
9 js!gJC DataGrid1.CurrentPageIndex += 1;
x' >Nz{B,P curPageIndex+=1;
o=}}hE\H }
BgRfy2: $&&mGD;?K bind(); // DataGrid1数据绑定函数
dn(I$K8 [EI~/#; 上一页:
!m"LIa#/Cs if(DataGrid1.CurrentPageIndex >0)
\X.CYkgK {
K&Ner(/X`6 DataGrid1.CurrentPageIndex += 1;
Rah"La curPageIndex-=1;
Cuu yG8 }
B~+3<# B O#LG$Y
n* bind(); // DataGrid1数据绑定函数
pRWEBd1U $mdmuUIy-3 直接页面跳转:
R[KF${X4 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
zmH8^:-x ~A@T_*0 if(a<DataGrid1.PageCount)
cq lA"Eof {
G&=4@pLY5 this.DataGrid1.CurrentPageIndex=a;
,)/gy)~# }
(3cJ8o>& hgIqr^N9 bind();
H'KCIqo
P 4Vi~zMX
29.DataGrid使用:
<7'`N\a rQmDpoy = 添加删除确认:
Y-!~x0-H private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
KYE)#<V}@ {
1 aWzd[i foreach(DataGridItem di in this.DataGrid1.Items)
$J6 Pv
{
t/55tL if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
!%MI9Ok {
V`P8oIOh] ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
]Z\Z_t }
f@S n1c,Mk }
er@"4R0 }
?QA![ F6
mc<