1. 打开新的窗口并传送参数:
)@qup _M@ !&`\ LJ=j 传送参数:
W3/ 7BW` response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
5)yOw|Bd ChTXvkdH 接收参数:
,iVPcza string a = Request.QueryString("id");
]&:b<]K3 string b = Request.QueryString("id1");
nnE_OK!}T h1XMx'}B 2.为按钮添加对话框
(.1 rtj Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Q)S>VDLA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
,k~j6Z um jhG6 3.删除表格选定记录
y|.fR>5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
v'@b. R, string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
*sw-eyn( ns#~}2"d 4.删除表格记录警告
_Dj<Eu_ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
23-t$y] {
&G/|lv>j switch(e.Item.ItemType)
u<]mv {
XocsSs case ListItemType.Item :
Znta#G0 case ListItemType.AlternatingItem :
^IGyuj0]jG case ListItemType.EditItem:
%X9b=%'+ TableCell myTableCell;
NQC3!=pQ}Y myTableCell = e.Item.Cells[14];
j`R<90~/ LinkButton myDeleteButton ;
C.>
myDeleteButton = (LinkButton)myTableCell.Controls[0];
6z3T?`}Y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Ka]@[R6e break;
Taf
n:Nw} default:
%l}Q?Z break;
0)AM-/" }
BF36V\ HK0::6n{ }
] *-;' * mP pvZ 5.点击表格行链接另一页
Kej|1g1f private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Y}LLOj@L {
~XUOW Y75 //点击表格打开
0||"r&:X if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4;C*Fa e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
$_C+4[R? }
_1sMY hI L)F1NuR 双击表格连接到另一页
]4Y/x i- !:"-:O}>=, 在itemDataBind事件中
lc[XFc if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a}KK{Vqo` {
`l/:NF string OrderItemID =e.item.cells[1].Text;
CV&zi6 ...
8/3u/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
S
Pn8\2Cj }
=4tO0 F aFp_P? 双击表格打开新一页
'y9*uT~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\sK:W|yy {
5vTv$2@ string OrderItemID =e.item.cells[1].Text;
U:]MgZWn ...
AkrTfi4hC e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
c>ad0xce6 }
1")FWN_K/T dEASvD' ★特别注意:【?id=】 处不能为 【?id =】
lC#RNjDp/~ 6.表格超连接列传递参数
TDlZ!$g( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
e?V,fzg <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
~G>jw"r TbLe6x 7.表格点击改变颜色
yl-fbYH if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Ly9Q}dL {
P:sAqvH6 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+z\\VD this.style.color=’buttontext’;this.style.cursor=’default’;");
I>A^I }
]gu1# 6Rcua<;2P 写在DataGrid的_ItemDataBound里
~TDzq -U) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4`nqAX~'f {
?6i;)eIOI e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
3AURzU this.style.color=’buttontext’;this.style.cursor=’default’;");
{6'*Phw e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
W`$[j0 }
0
y<k][ &hayR_F9 cd!|Ne>fe 8.关于日期格式
.nEs:yn Is13: 日期格式设定
nv"G;W DataFormatString="{0:yyyy-MM-dd}"
p8=|5. Qyz>ZPu}sz 我觉得应该在itembound事件中
{XtoiI e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
~r<p@k=.#0 Xo Y7/&& 9.获取错误信息并到指定页面
@,k7xm$u s~^*+kq 不要使用Response.Redirect,而应该使用Server.Transfer
td >,TW=A* .Gh%p`< e.g
lop uf/U0 // in global.asax
B{p4G`$i1 protected void Application_Error(Object sender, EventArgs e) {
yRC3
.[ if (Server.GetLastError() is HttpUnhandledException)
}W$8M>l Server.Transfer("MyErrorPage.aspx");
i\Yl lEHwZ<je //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
c3] C:t+ }
XLm@etf -Q$b7*"z( 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
KAed!z9 :#{-RU@PS 10.清空Cookie
(/K5! qh Cookie.Expires=[DateTime];
D`Gt Response.Cookies("UserName").Expires = 0
^agj4$ H`-=?t 11.自定义异常处理
MiJ6 n[iv //自定义异常处理类
K\P!a@>1 using System;
~:[!Uyp0b using System.Diagnostics;
^av6HFQ :a.0hes namespace MyAppException
Ky kSFB {
xc;DdK=1X /// <summary>
M)JADX /// 从系统异常类ApplicationException继承的应用程序异常处理类。
+I52EXo /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Vl<9=f7[ /// </summary>
ne4c%?>t public class AppException:System.ApplicationException
CWi8Fv {
0(gq;H5x' public AppException()
W"Q!|#;l. {
E-fr}R} if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
n 'K6vW3 }
FLZS K:3B] J &YQ]l public AppException(string message)
=g~W%}) {
+tt9R_S LogEvent(message);
zAs&%OjG }
A59gIp*> MzzKJ;wbC6 public AppException(string message,Exception innerException)
^e%}[q[>| {
A
WHU' LogEvent(message);
?x3Jv<G0* if (innerException != null)
:.uk$jx {
J02^i5l LogEvent(innerException.Message);
Es.nHN^]%K }
1fFj:p./l_ }
J}TfRrf y+U83a[L* //日志记录类
q[d)e6
using System;
y-9+a7j using System.Configuration;
PKf:O using System.Diagnostics;
exDkq0u] using System.IO;
Hi7y(h?wj using System.Text;
81F,Y)x. using System.Threading;
dz%EM8 oNM?y:O namespace MyEventLog
}`o?/!X {
y=a V=qD /// <summary>
*1^$.Q& /// 事件日志记录类,提供事件日志记录支持
#BY`h~&T /// <remarks>
VWi2(@R^ /// 定义了4个日志记录方法 (error, warning, info, trace)
!tNd\}@ /// </remarks>
T3N"CUk /// </summary>
pQWHG#?7 public class ApplicationLog
ZFvyL8o {
mR+Jws' /// <summary>
9+qOP>m /// 将错误信息记录到Win2000/NT事件日志中
>jx.R /// <param name="message">需要记录的文本信息</param>
3fr ^ T /// </summary>
OgCy4_a[f public static void WriteError(String message)
wLJ]&puwm {
tous#(&pK WriteLog(TraceLevel.Error, message);
S8vV!xO }
UE :HMn6 [}2Z/
/// <summary>
2.lgT|p /// 将警告信息记录到Win2000/NT事件日志中
GABQUmtH /// <param name="message">需要记录的文本信息</param>
PJLR<9 /// </summary>
qlsQ|/'D public static void WriteWarning(String message)
O1P=#l iYX {
qOy=O
[+9 WriteLog(TraceLevel.Warning, message);
L}%dCe }
s B
20/F mdbp8,O /// <summary>
+?m0Q;%b /// 将提示信息记录到Win2000/NT事件日志中
]lBGyUJn /// <param name="message">需要记录的文本信息</param>
g(hOg~S\E /// </summary>
'#\1uXM1U? public static void WriteInfo(String message)
h<6UC%'ac {
2/7_;_#vJ% WriteLog(TraceLevel.Info, message);
TgfrI
}
\Kavw /// <summary>
$uh z /// 将跟踪信息记录到Win2000/NT事件日志中
OCV+h' /// <param name="message">需要记录的文本信息</param>
l7}g^\I /// </summary>
K@u&(} public static void WriteTrace(String message)
m:+8J,jW {
gfa[4
z WriteLog(TraceLevel.Verbose, message);
`BY&>WY[ }
uQqWew8l+ Pbu{'y3J /// <summary>
v?:: |{ /// 格式化记录到事件日志的文本信息格式
oPQtGl p /// <param name="ex">需要格式化的异常对象</param>
[xZU!= /// <param name="catchInfo">异常信息标题字符串.</param>
) R2XU /// <retvalue>
OJO!FH) /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
SOf{Hx0C6 /// </retvalue>
GK*v{` /// </summary>
ZcE_f>KV public static String FormatException(Exception ex, String catchInfo)
Vb|#MNf) {
rN/|(@ StringBuilder strBuilder = new StringBuilder();
:aAEJ if (catchInfo != String.Empty)
`#mK*Buem} {
oG oK, strBuilder.Append(catchInfo).Append("\r\n");
Shr,#wwM`B }
'0RwO[A#1 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
G"SBYU return strBuilder.ToString();
{zLhiUH
a0 }
3ec`Wa
R^#@lI~ /// <summary>
OE`X<h4r /// 实际事件日志写入方法
=aG xg57 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
-yAQ /// <param name="messageText">要记录的文本.</param>
vH[47Cv G5 /// </summary>
Nw_@A8-r private static void WriteLog(TraceLevel level, String messageText)
#qBr/+b {
nY%5cJ`" try
p#P~Q/; {
|N /G'>TS EventLogEntryType LogEntryType;
BU Z
_) switch (level)
H^%lDz {
L1{GL #qV case TraceLevel.Error:
*fMpZ+;[m LogEntryType = EventLogEntryType.Error;
AyKMhac break;
NAC_pM&B case TraceLevel.Warning:
p=Q0!!_r LogEntryType = EventLogEntryType.Warning;
TUK"nKSZ`. break;
,:2'YB case TraceLevel.Info:
LNYKm~cN LogEntryType = EventLogEntryType.Information;
=='Td[ break;
r,1e 'd: case TraceLevel.Verbose:
}T2xXbU LogEntryType = EventLogEntryType.SuccessAudit;
D;}xr_ break;
pKUP2m`MW default:
|SZo'
6 LogEntryType = EventLogEntryType.SuccessAudit;
tRb]7 z break;
1{x.xi"A/ }
SLL3v,P(7 /1UOT\8U EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\Q?ip&R //写入事件日志
rqPo)AL eventLog.WriteEntry(messageText, LogEntryType);
d*8 $>GA BaI $S>/Q }
y&~w2{a catch {} //忽略任何异常
G3P&{.v }
"I6P=]|b } //class ApplicationLog
"p&Y^] }
uA tV". d[^KL;b?6 12.Panel 横向滚动,纵向自动扩展
/1=4"|q>h' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
H9XvO ~/pzxo$ 13.回车转换成Tab
Qd _6)M- <script language="javascript" for="document" event="onkeydown">
Kb#4ILA if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
S^@S%Eg event.keyCode=9;
!^#jwRpeN </script>
a]17qMl 7w:ef0S onkeydown="if(event.keyCode==13) event.keyCode=9"
.~A*= GYxM0~:$k 14.DataGrid超级连接列
8H,4kY?Z DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
]B"'}%>ez jdZ~z#`(!: 15.DataGrid行随鼠标变色
!)"%),>}o private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
RcG0 8p.) {
-H^oXeN if (e.Item.ItemType!=ListItemType.Header)
mYN7kYR}<` {
<#=N
m0S$ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
/@ !CKh` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
:o-,SrORM }
E:sz$\Ht) }
{N2g8W: "I?Am&>' 16.模板列
U@ ?LP <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
EF7+ *Q9 <ITEMTEMPLATE>
{^mNJ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
z?/1Kj}xG </ITEMTEMPLATE>
omO
S=d!o </ASP:TEMPLATECOLUMN>
FuG4F .;y# <ASP:TEMPLATECOLUMN headertext="选中">
}jt?|dl1 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
E1dD7r\ <ITEMTEMPLATE>
^'CPM6J <ASP:CHECKBOX id="chkExport" runat="server" />
Xp\/YJOibd </ITEMTEMPLATE>
OMhef,,H <EDITITEMTEMPLATE>
h^,8rd <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
4%4avEa"w </EDITITEMTEMPLATE>
(fNUj4[ </ASP:TEMPLATECOLUMN>
v 8T$ &-HJ 'w>_+jLT 后台代码
#/"8F O%~p protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
WV3|?,y]qm {
F|Mi{5G% //改变列的选定,实现全选或全不选。
ZUz ^!d CheckBox chkExport ;
Re:jVJgBz if( CheckAll.Checked)
h~&gIub {
f.aSKQD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
q{s(.Uq$& {
p.ANVA@: chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
GoA4f3 chkExport.Checked = true;
3G.5724, }
:tIC~GG]_) }
gmIqT
f else
/27JevE {
2LrJ>Mi foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~$'\L {
\!( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
'O5'i\uz chkExport.Checked = false;
RZM"~ 0 }
}kw/W#)J }
4h5g'!9-g }
f|^dD` 5MFxo63 17.数字格式化
,jXM3?>B O^/Maa/D1 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
FMkOo2{ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
>fH=DOz$& D:k3"
E"S int i=123456;
Fk(JSiU string s=i.ToString("###,###.00");
j1_@qns{ <;E 18.日期格式化
`_b`kzJ hN['7:bQ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
3qY K_M^[ 5H=ko8fZ= 显示为: 2004-8-11 19:44:28
1;Pv0&[q/ >zDF2Y[ 我只想要:2004-8-11 】
h;=6VgXZ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
uB!kM q o<&J f 应该如何改?
/C/id)h> GUF"<k 【格式化日期】
Bo<>e~6P D:Q
21Ch 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
{]"]uT# -n'F v@U 【日期的验证表达式】
!"e5~7 sp@E8G%xO A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
P&Pj>!T5
^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
SP|<Tny =6aS&B(SN B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Lm@vXgMD ^\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]))$
\rVQQ|l %0? M?Jf 【大小写转换】
a0Ik`8^` HttpUtility.HtmlEncode(string);
Fg Lrb# HttpUtility.HtmlDecode(string)
_fZZ_0\Q WK="J6K5 19.如何设定全局变量
w.&1%X(k + >cBVx6 Global.asax中
bzdb|I6Z 0i8LWX_M Application_Start()事件中
^
wY[3"{ <>m }}^ 添加Application[属性名] = xxx;
!QDQ_ 7\ nf:. 就是你的全局变量
9CCkqB/ )5|I_PXB 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
='TE,et@d 6sa"O89 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
~G27;Npy *>VVt8*Et 【ASPNETMENU】点击菜单项弹出新窗口
_ Ro!"YVX l2;CQ7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
E~LTb)
! <?xml version="1.0" encoding="GB2312"?>
9b?SHzAa <MenuData ImagesBaseURL="images/">
nenU)*o <MenuGroup>
~EK'&Y"1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
kD bhu^~B <MenuGroup ID="BBC">
F@R1:M9* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Q[+ac*F=Y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
31EyDU,W ......
w`l{LHrR y>*xVK{D 最好将你的aspnetmenu升级到1.2版
S$2b>#@UJ K(XN-D/c 21.读取DataGrid控件TextBox值
8u!"#S#>a foreach(DataGrid dgi in yourDataGrid.Items)
&YDK (&> {
JsO
*1{6g TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
"bDs2E+W tb.Text....
XJ2^MF2BU }
kh%{C]".1 jYiv'6z 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
>J u]2++lx :_Eqf8T 〖思归〗
Jk0r&t7 <asp:TemplateColumn HeaderText="数量">
.rPn5D Y <ItemTemplate>
wO2_DyMm@ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
nYbhy}y onkeyup="javascript:DoCal()"
aTf`BG{kw />
"T H6o:x 4nAa`(62 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
7} jWBK </ItemTemplate>
!ZU2{ </asp:TemplateColumn>
c$wsH25KH8 r[?1 <asp:TemplateColumn HeaderText="单价">
]tY
^0a <ItemTemplate>
WoxwEi1~0 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
0j C3fT!n onkeyup="javascript:DoCal()"
M`6y@< />
h5yzwj:C? :UJ a&$) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Zs<KZGn-B 0zY(:;X </ItemTemplate>
w>b-} t </asp:TemplateColumn>
JJRK7\~$ #lU9yv <asp:TemplateColumn HeaderText="金额">
}-~T<egF <ItemTemplate>
C;(t/zh <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
42L
@w </ItemTemplate>
fu$R7 </asp:TemplateColumn><script language="javascript">
fL]Pztsk+ function DoCal()
l|5fE1K9U {
;\MW$/[JCy var e = event.srcElement;
Hi]cxD*` var row = e.parentNode.parentNode;
mw5?[@G- var txts = row.all.tags("INPUT");
67y Tvr@a if (!txts.length || txts.length < 3)
US return;
hQNe;R5 ;l}- Z@! / var q = txts[txts.length-3].value;
1n\ t+F var p = txts[txts.length-2].value;
_e9:me5d"$ xJ2*LM- if (isNaN(q) || isNaN(p))
Ma|qHg return;
I}2P>)K )!tK[K?5 q = parseInt(q);
=vT<EW}[ p = parseFloat(p);
fg#x7v4O ly WwGR txts[txts.length-1].value = (q * p).toFixed(2);
~zHg[X*
}
>c-fI$] </script>
E\; ikX&1 +/D>|loRC >3u]OSb {,OS-g }h 3K@R
24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
.vG,fuf8 page_load
7Ol}EPf# page.smartNavigation=true
H:H6b OCy0#aPRS 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
BnRN;bu private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
NzKUtwnIz {
Ej7 /X ~ for(int i=0;i<e.Item.Cells.Count-1;i++)
Blq8H"3!: if(e.Item.ItemType==ListItemType.EditType)
WL+]4Wiz {
L#)(H^[ e.Item.Cells.Attributes.Add("Width", "80px")
8QK5z;E2~ }
>M Jg , }
LW:o8ES33 [31p&FxM 26.对话框
4d:{HLX, private static string ScriptBegin = "<script language=\"JavaScript\">";
s_.]4bl.8 private static string ScriptEnd = "</script>";
2BCtJ`S` 5sPywk{ public static void ConfirmMessageBox(string PageTarget,string Content)
LI)!4(WH {
,
*qCf@$I string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
+\Q?w?DE| bxK(9. ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
E+C5 h
;p& i@NqC;~; Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
4 g.
bR ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
1009ES7* //Response.Write(strScript);
'Pvm8t }
- y9>;6 n}xhW'3hU= 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
?OdJqw0,G >u%]6_[ 1.1 取当前年月日时分秒
e4FM} z[ currentTime=System.DateTime.Now;
1y^K/.5- #y|V|nd 1.2 取当前年
?[x49Ux,P int 年= DateTime.Now.Year;
{K#NB_*To ~el3I=KC} 1.3 取当前月
P'MY[&|mM' int 月= DateTime.Now.Month;
}bU8G ' /MQU
>& 1.4 取当前日
VDB;%U*D int 日= DateTime.Now.Day;
oPc\<$ 4(l?uU$ 1.5 取当前时
htY=w}> int 时= DateTime.Now.Hour;
C6_@\&OA
_if|TFw;h 1.6 取当前分
%7`f{|. int 分= DateTime.Now.Minute;
!QmzrX}h qW 1V85FG 1.7 取当前秒
G,= yc@uq int 秒= DateTime.Now.Second;
:ug4g6;#H0 fx8EB8A7K7 1.8 取当前毫秒
QCPID: int 毫秒= DateTime.Now.Millisecond;
>s3gqSDR fQ+VT|jzx 28.自定义分页代码:
[~D|peM3 :`)~-`_ 先定义变量 :
*=Z26 public static int pageCount; //总页面数
QH]M public static int curPageIndex=1; //当前页面
~tB;@e .ut{,(5 下一页:
j<%])
if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
2fIRlrA$ {
HmK*b Z DataGrid1.CurrentPageIndex += 1;
C}IbxKl curPageIndex+=1;
n3MWs);5 }
ZWV|# c<G mYB`)M*Y bind(); // DataGrid1数据绑定函数
:"0J=>PH: H(0q6~| 上一页:
UkCnqNvx if(DataGrid1.CurrentPageIndex >0)
/\mKY%kyh {
zT~B6 DataGrid1.CurrentPageIndex += 1;
(wRBd curPageIndex-=1;
=\ )IaZ
}
/W#O + 3>z[PPw bind(); // DataGrid1数据绑定函数
RnfXN)+P +kdySWF 直接页面跳转:
mxSKG>
O int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
"HM{b?N OEr:xK2T if(a<DataGrid1.PageCount)
Q4s&E\} {
O gmO&cE this.DataGrid1.CurrentPageIndex=a;
8|twV35 }
xa( m5P 2}}?'PwwT bind();
Ja]oGT=e ?(KvQK|d4 29.DataGrid使用:
3HyhEVR-#~ O\;= V`z- 添加删除确认:
YC_3n5F% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#iSFf {
r^$~>!kZ| foreach(DataGridItem di in this.DataGrid1.Items)
]Pn!nSg {
f7}"lG]q if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
z/ &