1. 打开新的窗口并传送参数:
,c@r`
x qo61O\qm 传送参数:
Y_$^:LG response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4sj9Z: 7X(rLd
6# 接收参数:
?F)_T string a = Request.QueryString("id");
CFD*g\g<* string b = Request.QueryString("id1");
A(q~{ W"W@WG9X0 2.为按钮添加对话框
l{nB.m2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
qnabw F button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
5tN%a>D% Dm>T"4B`/ 3.删除表格选定记录
c zZrP" int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
%|#P&` string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
T {hyt 7J0 ^N7"o 4.删除表格记录警告
U#8\#jo private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
qJsQb {
`DI{wqV9 switch(e.Item.ItemType)
-X`~;=m>U {
x%b]ea case ListItemType.Item :
\%w7D6dEZ case ListItemType.AlternatingItem :
X4Pm)N` case ListItemType.EditItem:
db{NKwpj' TableCell myTableCell;
)fxo)GS myTableCell = e.Item.Cells[14];
j09mI$2y67 LinkButton myDeleteButton ;
fGu5%T, myDeleteButton = (LinkButton)myTableCell.Controls[0];
j)6@q@P/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
JA}S{ break;
[37f#p default:
VaD: break;
OwNA N }
#gxRTx )v*v }
Ln"+nKr K?z*3^^X; 5.点击表格行链接另一页
u+%)JhIp private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B ]|5?QP- {
;y:#S^|?-z //点击表格打开
d/0/$Bz}P if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
X !&"&n e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
NTv#{7q }
wo,""=l MuCQxzvkhf 双击表格连接到另一页
`77;MGg* v&t`5-e-A 在itemDataBind事件中
OhA^UP01- if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/ChJ~g " {
jD&}}:Dj string OrderItemID =e.item.cells[1].Text;
k#l'ko/X ...
{q5hF5!`) e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
o`<h=+a\ }
H;7O\ :vn0|7W4 双击表格打开新一页
K9x*Sep
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w\0Oz?N {
')C_An>X6 string OrderItemID =e.item.cells[1].Text;
J
,Qy`Y
B ...
/t%"Dh8x e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/u"
cl2| }
S*~Na]nS0 ]1/W8z% ★特别注意:【?id=】 处不能为 【?id =】
?RrC~7~ 6.表格超连接列传递参数
5n|MA <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
:Olj <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
hq|jC j8D$/ 7.表格点击改变颜色
@F""wKnV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
puf;"c6e' {
)_x8?:lv e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
30gZ_8C>} this.style.color=’buttontext’;this.style.cursor=’default’;");
C%x(`S^/ }
a=}">=]7 x| ~D(zo 写在DataGrid的_ItemDataBound里
`Cb<KAaCH if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
K8 Kz {
2i4Dal e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
K'{ wncumQ this.style.color=’buttontext’;this.style.cursor=’default’;");
MJ*oeI!.= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
n@yd{Rc }
9M-NItFos ,M+h9_&0? S7\|/h:4 8.关于日期格式
nU">> 1!U d-A%ZAkE] 日期格式设定
AW{/k'%xw DataFormatString="{0:yyyy-MM-dd}"
1*x5/b @BB,i / 我觉得应该在itembound事件中
CwCo"%E8} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Bv
|jo&0n
K|Ij71 9.获取错误信息并到指定页面
*y[~kWI \8C*O{w 不要使用Response.Redirect,而应该使用Server.Transfer
egIS rmL+X 34O+#0<y~ e.g
%n V@'3EI // in global.asax
.{Eg(1At protected void Application_Error(Object sender, EventArgs e) {
}E)8soQR if (Server.GetLastError() is HttpUnhandledException)
x""Mxn]gD Server.Transfer("MyErrorPage.aspx");
ZQ-z2s9U HzO0K=Z=R0 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
)Or:wFSMq }
.J7-4 W4] 0qp`\ 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
^/5E773 'Rar>oU 10.清空Cookie
:67d>wb Cookie.Expires=[DateTime];
:,J86#S) Response.Cookies("UserName").Expires = 0
|L~gNC w~FO:/ 11.自定义异常处理
9N3oVHc? //自定义异常处理类
5p>]zij> using System;
'!|E+P- using System.Diagnostics;
ZPG8q
"78cl*sD namespace MyAppException
A.'`FtV {
hTNYjXj /// <summary>
JY,l#?lM{ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
1J!tcj1( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
5G]#'tu /// </summary>
D4x' public class AppException:System.ApplicationException
|SJ%
_#=i {
C*6bR? I9 public AppException()
YM4U.! 4o {
%y^Kw if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
})=c:h& }
s-YV_ _o=`-iy9 public AppException(string message)
\2LA%ZU {
n6-!@RYr LogEvent(message);
fPuQ,J2= }
oqm{<g?2 ":#A>L? l public AppException(string message,Exception innerException)
\Jj'60L^ {
bKTwG@{/k LogEvent(message);
)8A=yrTIT if (innerException != null)
A<G ; {
V1+o3g{} LogEvent(innerException.Message);
EXM/>PG }
eVbh$cIrZ }
ywa .cq eC1c`@C: //日志记录类
EPUJa~4 using System;
[7t0[U~3? using System.Configuration;
<a/ZOuBzZ using System.Diagnostics;
;{)@ghD using System.IO;
:WKyEt!3 using System.Text;
,C12SM*@ using System.Threading;
(V|q\XS w `9GygS namespace MyEventLog
t6U+a\-< {
98%a)s)(a /// <summary>
Q,LWZw~" /// 事件日志记录类,提供事件日志记录支持
'&L
/// <remarks>
Sv]"Y/N /// 定义了4个日志记录方法 (error, warning, info, trace)
Z(clw /// </remarks>
N`mC_) /// </summary>
@eD~FNf-] public class ApplicationLog
oFx gR9 {
f\%X7. /// <summary>
=GS_ G;Dz /// 将错误信息记录到Win2000/NT事件日志中
74!JPOpQH /// <param name="message">需要记录的文本信息</param>
uX5B>32 /// </summary>
x+j/v5 public static void WriteError(String message)
5D@Q1 {
Q?'W >^*J WriteLog(TraceLevel.Error, message);
&I">{J< }
oGjYCVc Y&Nv>o_}5 /// <summary>
Z-r0
D /// 将警告信息记录到Win2000/NT事件日志中
gZuR4Ti /// <param name="message">需要记录的文本信息</param>
N
pIlQaMo4 /// </summary>
Fu=VY{U4 public static void WriteWarning(String message)
i3\oy`GJ {
G}OrpPP WriteLog(TraceLevel.Warning, message);
6/[h24d }
er}'}n`@q 'k) P(H /// <summary>
6Yi,%# /// 将提示信息记录到Win2000/NT事件日志中
ZkG##Jp\> /// <param name="message">需要记录的文本信息</param>
4w /// </summary>
SodW5v a public static void WriteInfo(String message)
ToCfLJ?{ {
YH6K-} WriteLog(TraceLevel.Info, message);
!RAyUfS }
}]kzj0m /// <summary>
BJ1txdxvS /// 将跟踪信息记录到Win2000/NT事件日志中
^,@Rd\q /// <param name="message">需要记录的文本信息</param>
N_h)L` /// </summary>
2UA h^i-^ public static void WriteTrace(String message)
flnoK%wi {
V9][a WriteLog(TraceLevel.Verbose, message);
//g~1( }
Vc}m_T]O CKyX Z /// <summary>
)~s(7
4`} /// 格式化记录到事件日志的文本信息格式
os"o0? /// <param name="ex">需要格式化的异常对象</param>
Busxg?= /// <param name="catchInfo">异常信息标题字符串.</param>
5)nm6sf /// <retvalue>
1:XT r /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$yBU
,lu} /// </retvalue>
Mvu! /// </summary>
:(N3s9:vz public static String FormatException(Exception ex, String catchInfo)
x%5n& B {
aOETms w StringBuilder strBuilder = new StringBuilder();
kF`2%g+ if (catchInfo != String.Empty)
gCW.;|2 {
',v
-&1R strBuilder.Append(catchInfo).Append("\r\n");
V\Cu|m&HI }
Sm{idky)[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
["kk.*& return strBuilder.ToString();
uveTx }
YOy/'Le^: vaW,O/F /// <summary>
{a\m0Bw/ /// 实际事件日志写入方法
"xi)GH]H_ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)L<NW{ /// <param name="messageText">要记录的文本.</param>
n'K,* /// </summary>
YOqGFi~` private static void WriteLog(TraceLevel level, String messageText)
[g`P(? {
MZv In ZS try
h:}oUr8 {
vg5i+ry< EventLogEntryType LogEntryType;
@/g%l1$` switch (level)
aTxss:7] {
P?\ IlziCB case TraceLevel.Error:
q{nNWvL LogEntryType = EventLogEntryType.Error;
nZ0-
Kb break;
jA?A)YNQb case TraceLevel.Warning:
P|Dw+lQj LogEntryType = EventLogEntryType.Warning;
(3C::B= break;
|L11?{ K case TraceLevel.Info:
nRzD[3I LogEntryType = EventLogEntryType.Information;
%A|9=x* break;
F2saGpGH case TraceLevel.Verbose:
_8v8qT}O~4 LogEntryType = EventLogEntryType.SuccessAudit;
>,yE;zuw break;
tt$DWmm default:
9@9(zUS| LogEntryType = EventLogEntryType.SuccessAudit;
!?,7Cu.5#6 break;
|@`F!bnLr }
d,tGW %wzDBsX EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
_
fJ5z //写入事件日志
8M<q-sn4B eventLog.WriteEntry(messageText, LogEntryType);
d="Oge8 Dp3&@M"^yY }
<l opk('7 catch {} //忽略任何异常
P-o/ax }
U-&dn%Sq } //class ApplicationLog
|3<tDq@+ }
W<_9*{|E; W$>srdG0$ 12.Panel 横向滚动,纵向自动扩展
5|z>_f.^pS <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
&@p _g8r# c6.S jV 13.回车转换成Tab
OGpy\0% <script language="javascript" for="document" event="onkeydown">
">_<L.,I if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
c>!zJAB event.keyCode=9;
*-'u(o </script>
T a8;
1zqIB")s> onkeydown="if(event.keyCode==13) event.keyCode=9"
+m8CN(c E!nEB(FD 14.DataGrid超级连接列
va 7I_J DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
jeXP|;#Una C,r[H5G# 15.DataGrid行随鼠标变色
a|?& private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6Lj=%& {
,j E'd'$ if (e.Item.ItemType!=ListItemType.Header)
Fjch<gAofS {
&\),V 1" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
BPs|qb- e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
DLggR3K_\ }
R!{^qHb }
OCHjQc gCfAy=-,V 16.模板列
J< Ljg<t+ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Sp/t[\,' <ITEMTEMPLATE>
paCC'*bv <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
mWEaUi)Zz </ITEMTEMPLATE>
a4{~.Mp </ASP:TEMPLATECOLUMN>
sT8(f=^)8F T6mbGE*IeE <ASP:TEMPLATECOLUMN headertext="选中">
}9=X*'BO <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
-7-r~zmr <ITEMTEMPLATE>
^#i3JMq <ASP:CHECKBOX id="chkExport" runat="server" />
9lXjB_wG> </ITEMTEMPLATE>
} V * <EDITITEMTEMPLATE>
\"k[y+O],4 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
I
"Qf};n </EDITITEMTEMPLATE>
|p_\pa1&
</ASP:TEMPLATECOLUMN>
^V6cx2M 7 6 nrDE 后台代码
\EI<1B protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
J34/rL/s {
3QSA| //改变列的选定,实现全选或全不选。
,jH<i.2R CheckBox chkExport ;
3T1t !q4/5 if( CheckAll.Checked)
m{#?fR=9 {
;|yd}q=p foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X;:qnnO {
:)JIKP%$\) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C?dQ
QB$ chkExport.Checked = true;
Odn`q= }
)T0%<(J }
~V34j: else
_L8|ZV./ {
"2'4b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
XS#Jy
n {
??5y0I6+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Df hu chkExport.Checked = false;
I'h|7y\ }
]F'o }
v;6O# ta' }
9f=L'{ lK VV*RR} 17.数字格式化
G.{)#cR qe/dWJBa 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
LOO<)XFJ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
~?6M4!u
~W/|RP7S int i=123456;
vM3 b\yp string s=i.ToString("###,###.00");
zjE|UK{ v79k{<Ln 18.日期格式化
*C~$<VYI mv,p*0 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
sh#hDU/</ \:mZ)f3K= 显示为: 2004-8-11 19:44:28
TKH!,Ow9A %>io$ o 我只想要:2004-8-11 】
Ty&Ok* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ob.Br:x &0`[R*S 应该如何改?
7=hISQMsVP gI T3A*x 【格式化日期】
6 Mc&gnN Ot<vn34mt: 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
MA`.&MA. B+VD53 V 【日期的验证表达式】
aw\0\'} )swu~Wb}U@ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
X;/5Niv32q ^((\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})))?$
B0+r Z>l%:;H B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
pLiGky ^\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]))$
PKjM1wqaG@ H@uDP 【大小写转换】
-prc+G,qyp HttpUtility.HtmlEncode(string);
j+eto' HttpUtility.HtmlDecode(string)
Hd_W5R j1~'[ 19.如何设定全局变量
0rrNVaM R3bHX%T Global.asax中
H13kNhV9 b[/uSwvi Application_Start()事件中
p)e?0m26 w<|Qezi3
w 添加Application[属性名] = xxx;
K@<%Vc>L( 3;%dn\
D 就是你的全局变量
h uIvXl vT=?UTq 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
k.n-JS }lQ`ka HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
dCn'IM1 *Y]()#?Gr 【ASPNETMENU】点击菜单项弹出新窗口
.,*68S0k7 umuE5MKY< 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
$! R]!s <?xml version="1.0" encoding="GB2312"?>
%AJTU3=0 <MenuData ImagesBaseURL="images/">
PZ.q <MenuGroup>
WKvG|YRDq <MenuItem Label="内参信息" URL="Infomation.aspx" >
zL@FN sYVM <MenuGroup ID="BBC">
"i^<
H <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
y#iQ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
uGz>AW8a3 ......
vuoD~ =z .|g|X8X 最好将你的aspnetmenu升级到1.2版
"8l&m6`U- b?]Lx.l- 21.读取DataGrid控件TextBox值
/H'F4-> foreach(DataGrid dgi in yourDataGrid.Items)
[bh8Nj\E {
/^\UB
fE TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
U9t-(`[j? tb.Text....
I&JjyR }
D!WyT`T ;^DG P 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
a,ZmDkzuv %1Nank!Zj 〖思归〗
7 (kC|q\4M <asp:TemplateColumn HeaderText="数量">
_O;2.M%@ <ItemTemplate>
Oe)B.{;Ph <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
\r`><d onkeyup="javascript:DoCal()"
}!9KxwC( />
_Squ%z:D b-OniMq~ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
GX#SCZ&}C </ItemTemplate>
y!u=]BE
</asp:TemplateColumn>
FQe82tfV+ ;6655C <asp:TemplateColumn HeaderText="单价">
~cH3RFV <ItemTemplate>
5DS'22GW` <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7GDrH/yK onkeyup="javascript:DoCal()"
jnIf(a />
%f1>cO9[ .H#<yPty <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
UAEu.AT L_O*?aaZ </ItemTemplate>
0^9%E61YR </asp:TemplateColumn>
nvbKW.[<f{ ]AB'POa <asp:TemplateColumn HeaderText="金额">
Q4h6K7 <ItemTemplate>
@<ILF69b <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
?F"mZu </ItemTemplate>
QzilivJf </asp:TemplateColumn><script language="javascript">
yFY:D2 function DoCal()
LK:J kjp^ {
C
)J@`E var e = event.srcElement;
2>*b.$g var row = e.parentNode.parentNode;
|))O3]- var txts = row.all.tags("INPUT");
%3Tz%>n if (!txts.length || txts.length < 3)
;"w?@ELE return;
jxqKPMf>@% x%RG>),U var q = txts[txts.length-3].value;
py }`thx var p = txts[txts.length-2].value;
>_|$7m.?n[ 4GqwY"ja if (isNaN(q) || isNaN(p))
?:DUsg return;
d:8c}t2X Wy.^1M/n>~ q = parseInt(q);
@(W{_ mw p = parseFloat(p);
>e"vPW*[ g T{WH67u txts[txts.length-1].value = (q * p).toFixed(2);
W)jtTC7 }
<^da-b>C </script>
Xj5oHHwn %$[#/H7=W 6olJ7`* Pr'Ij EECuJ+T 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。
2(i|n= page_load
M2!2J page.smartNavigation=true
i`^[_ YR-Ge 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 ?
-gB9476- private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
0s!';g Q {
mX5%6{], for(int i=0;i<e.Item.Cells.Count-1;i++)
;~-M$a
}4 if(e.Item.ItemType==ListItemType.EditType)
B+2EIaI {
sc&u NfJ e.Item.Cells.Attributes.Add("Width", "80px")
X'J!.Jj }
6~^ M<E }
3=-V!E r(KAG"5 26.对话框
g[Q+DT private static string ScriptBegin = "<script language=\"JavaScript\">";
e!=~f%c<N private static string ScriptEnd = "</script>";
<j}A=SDZ) I=2b)"t0 public static void ConfirmMessageBox(string PageTarget,string Content)
$pJw
p{kN {
t.Yf8Gy string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
A)_HSIVi K~6u5 a9s ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
RXRoMg!-P T# .pi@PF> Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Z=dM7 Lj* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
B}+li1k //Response.Write(strScript);
Qs,4PPEg }
LYO2L1u) v>/_U 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Zo<j"FG hQ (84u 1.1 取当前年月日时分秒
t76B0L{ currentTime=System.DateTime.Now;
^X;p8uBo T^icoX=c4 1.2 取当前年
<,*3Av int 年= DateTime.Now.Year;
2(U;{;\n* ^*"i
*e 1.3 取当前月
>%H(0G#X int 月= DateTime.Now.Month;
2b
K1.BD L;-V Yo# 1.4 取当前日
an2Yluc; int 日= DateTime.Now.Day;
<q&4Y+b 8d7 NESYl 1.5 取当前时
Y_<-.?jf int 时= DateTime.Now.Hour;
G8&/Ic g'AxJ 1.6 取当前分
<Hr~|oG int 分= DateTime.Now.Minute;
8.:WMH` -B&
Nou 1.7 取当前秒
K\FLA_J int 秒= DateTime.Now.Second;
3sD|R{ 1:!H`*DU& 1.8 取当前毫秒
*yv@B!r int 毫秒= DateTime.Now.Millisecond;
Eh*(N(` jG{OLF6 ! 28.自定义分页代码:
>f'aW
ejc> 先定义变量 :
zGNmc7 public static int pageCount; //总页面数
K /$-H#;N public static int curPageIndex=1; //当前页面
(H8JV1J i1ScXKO 下一页:
[1nUq!uTm if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Mc&Fj1h5 {
J7Mbv2D DataGrid1.CurrentPageIndex += 1;
dNf:I,<DCf curPageIndex+=1;
)|/%]@` N }
g`C\pdX"B V8#NXUg<! bind(); // DataGrid1数据绑定函数
oFGWI#]ts> K#Zv>x!to 上一页:
iK=QP+^VN if(DataGrid1.CurrentPageIndex >0)
qOy0QZ#0 {
Z~].v._YV) DataGrid1.CurrentPageIndex += 1;
Zo,066'+[. curPageIndex-=1;
YmCu\+u }
GT<!e]=6 /;kSa}"Q bind(); // DataGrid1数据绑定函数
aS``fE;O |`xM45 直接页面跳转:
RO@=&3s int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
hd]ts. y,/i3^y#_ if(a<DataGrid1.PageCount)
]GO=8$Z {
l0U23i this.DataGrid1.CurrentPageIndex=a;
&$ud;r# }
.TCDv4? pD('6C; bind();
!hFhw1 4xH/a1&p= 29.DataGrid使用:
FA+"t^q 7]9,J(:Ed 添加删除确认:
c8T| o=`k6 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Nv^byWqu {
|Sm/s;&c6 foreach(DataGridItem di in this.DataGrid1.Items)
4,>9N9.?9 {
OJd/#KFm if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
&B]1 VZUp {
=t`cHs29 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
}*C*!?pcd }
3I(;c ,S }
K:^0*5Y-k }
`2hg?(ul fY6~Z
BvK 样式交替:
0?}n( f!S ListItemType itemType = e.Item.ItemType;
&36SX<vZ KK6n"&TVa if (itemType == ListItemType.Item )
wSw> UU {
p!5'#\^f e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
[(gXjt- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
LM+d3|gSV }
C}(@cn `L else if( itemType == ListItemType.AlternatingItem)
Y%eq2% {
Vn_~ |-Wt e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Kk*8 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
l*6Zh"o: }
tJ
2GSZ` .`Q^8|$-K 添加一个编号列:
tbWfm5$ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
{VKFw=$8 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
]Axz}:
EY:IwDA.} for(int i=0;i<dt.Rows.Count;i++)
*AYq:n6 {
""Da2Md dt.Rows["number"]=(i+1).ToString();
o+B) }
,uAp;"YJeV z~ywFk}KGd DataGrid1.DataSource=dt;
R|v'+bv
DataGrid1.DataBind();
H]pI$t3~ yIrJaS- DataGrid1中添加一个CheckBox,页面中添加一个全选框
Zk`yd8C private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
I/%v`[ {
?C#E_ foreach(DataGridItem thisitem in DataGrid1.Items)
GB35o uE {
#c5jCy}n ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
N+h05` }
15,JD }
4(|yl^w nYFrp)DLK 将当前页面中DataGrid1显示的数据全部删除
wD=]U@t`, foreach(DataGridItem thisitem in DataGrid1.Items)
I# &r5Q {
ZZ7qSyBs? if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
M
`^[Y2 c {
i'7+
?YL string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
u '7h(1@ Del (strloginid); //删除函数
IHYLM;@L }
dH!z<~ }
UXs)$ xC,x_:R` 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)
xEp?|Q$ i=cST8!8N 在Application_Start中添加以下代码:
KWZhCS?[( Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
3iIy_nWC AppSettings["ConnStr"].ToString();
)@X0'X< Aeb(b+= 31. 变量.ToString()
~/]]H;;^u #3QPcoxa 字符型转换 转为字符串
qD4]7"9 12345.ToString("n"); //生成 12,345.00
Fq@o_bI 12345.ToString("C"); //生成 ¥12,345.00
B*,)@h 12345.ToString("e"); //生成 1.234500e+004
lI 4tW= 12345.ToString("f4"); //生成 12345.0000
2S{P(B 12345.ToString("x"); //生成 3039 (16进制)
K5jt(7i 12345.ToString("p"); //生成 1,234,500.00%
PDuc;RG @kqxN\DE 32、变量.Substring(参数1,参数2);
?9kC[4G BG+i tyH 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
<;6{R#Tuh @ M]_], 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
8o$rF7.- <SCRIPT language="javascript">
eHuJFM <!--
Bchv1KF function gook(pws)
I I+y {
WJ25fTsG frm.submit();
?: yz/9( }
{ aUnOyX_ //-->
[mA-sl] z*EV>Y[ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
\</!kY*3@t <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
kFv*>>X` <tr>
Q$c6l[(g <td>
;:fW]5"R <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7C|!Wno[; <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
IT1YF.i <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
cm(*F0< C/!.VMl^ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4|=>gdW)KN <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
?vFy3 Lwr's'ao. </td>
^_;'9YD wqb4w7% </tr>
Uj):}xgi' l1)~WqhE} </form>
X0VSa{ >u?.gJm ~ 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
OG/b5U At'CT5= 下面是获取用户输入的登陆信息的代码:
bDkZU string name;
iT>u&0B- name=Request.QueryString["EmailName"];
Aqmpo3P[+ hMa; \ k try
Y~WdN<g {
v Y0bK- int a=name.IndexOf("@",0,name.Length);
~5f&<,p! f_user.Value=name.Substring(0,a);
\8 `7E1d f_domain.Value=name.Substring(a+1,name.Length-(a+1));
>>y`ap2%V f_pass.Value=Request.QueryString["Psw"];
H<(F$7Q!\ }
p~ b4TRvA6 %S`&R5 catch
0%ul6LvM {
<RY =y?%z Script.Alert("错误的邮箱!");
;
oyV8P$ Server.Transfer("index.aspx");
eDJnzh83 }