1. 打开新的窗口并传送参数:
Xr'b{& p )]x,F 传送参数:
@,-D
P41g response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
O{Mn\M6 :z *jl'L 接收参数:
x9S9%JG : string a = Request.QueryString("id");
?;.=o?e9 string b = Request.QueryString("id1");
@A<~bod JfK4|{@ 2.为按钮添加对话框
]ms+Va_/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
6j+X@|2^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;*ULrX4[ O:
#SjjK 3.删除表格选定记录
r* l
c# int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
lV$#>2Hh5 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ckv8QAm [tElt4uG 4.删除表格记录警告
^]~!:Ej0 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
B#35)QI {
$$< I}eMd> switch(e.Item.ItemType)
):}A Quy] {
!_;J@B case ListItemType.Item :
U0srwt97S case ListItemType.AlternatingItem :
&\Lu}t7Ru case ListItemType.EditItem:
ZLPj1L TableCell myTableCell;
c@)?V>oe myTableCell = e.Item.Cells[14];
&%8IBT LinkButton myDeleteButton ;
}$r]\v myDeleteButton = (LinkButton)myTableCell.Controls[0];
N93R(x)% myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
xU6dRjYhH9 break;
TeO'E<@ default:
kHhku!CH break;
^U96p0H"T }
I0=L_&`) t}?-ao }
N
7Y X Zy8tI# 5.点击表格行链接另一页
5zkj;?s private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b&
-8/t {
bd% M., //点击表格打开
$bfmsCcHL if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+dRRMyxe4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
5J1a8RBR }
+Ar4X-A{y [!8bjc]c 双击表格连接到另一页
81!;W t(? o)x&|0_ 在itemDataBind事件中
<RY!Mc if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v&3"(fp {
(I'{
pF) string OrderItemID =e.item.cells[1].Text;
0>]&9'cn ...
-m mQ]'.0 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
kC6Y?g }
64`l?F |"9vq<` 双击表格打开新一页
i~R+g3oi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
p~""1m01,D {
`Mcg&Mi~ string OrderItemID =e.item.cells[1].Text;
qPWf=s7! ...
:}/\hz
, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
LP'q$iB! }
;OD-?bC H\N}0^ea ★特别注意:【?id=】 处不能为 【?id =】
x K\i&A 6.表格超连接列传递参数
: yq2
XE%r <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
TXS`ey <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
V[kn'QkWv 0uPcEpIA 7.表格点击改变颜色
+7nvy^m if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
pGy k61 {
w(t1m]pF[ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
JO&RuAq this.style.color=’buttontext’;this.style.cursor=’default’;");
w'VuC82SZ }
U5@B7v1 \u(Gj]B#" 写在DataGrid的_ItemDataBound里
:(tKc3z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~ b66
; {
qLc&.O.= e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
BI<9xl]a this.style.color=’buttontext’;this.style.cursor=’default’;");
F$kiSjh9aJ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
8}4.x3uw }
=MD)F PxvxZJf$@ e^\#DDm 8.关于日期格式
:,j^ei b9 li 日期格式设定
<w8H[y"c DataFormatString="{0:yyyy-MM-dd}"
ImH9 F\ 0Q8iX) 我觉得应该在itembound事件中
g}K/ba' e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
$=^}J6 /h`gQyGuY 9.获取错误信息并到指定页面
]n<Ba7Y oWi#?' 不要使用Response.Redirect,而应该使用Server.Transfer
WX_g HU4h.Lm e.g
_^zs( // in global.asax
\yxGE+~P protected void Application_Error(Object sender, EventArgs e) {
3webAaO if (Server.GetLastError() is HttpUnhandledException)
$AMcU5^b7 Server.Transfer("MyErrorPage.aspx");
M(C}2.20 )`\Q/TMl5 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
j]5e$e{ }
KV9~L`=]i DRXUQH 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
B9cWxe4R# t7xJ" 10.清空Cookie
/d Ua Cookie.Expires=[DateTime];
KbK!4 Response.Cookies("UserName").Expires = 0
<mTo54g YN:Sn\`D 8 11.自定义异常处理
M
0RA& //自定义异常处理类
B,Tv9(sv using System;
*-q&~ using System.Diagnostics;
]W~M?1} v4uQ0~k~X namespace MyAppException
H!6&'=c {k {
tI#65ox# /// <summary>
2bw.mp&v1 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
;'Z"CbS+ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
-4F}I3I /// </summary>
T('rM:)/ public class AppException:System.ApplicationException
lb=fS% {
,pf\g[tz public AppException()
h<PS< {
85] 'I%gT if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
h4Arg~Or }
lU&2K$` 9(vp`Z8B4 public AppException(string message)
EQZ/v gho {
.RmoO\
,Gm LogEvent(message);
p<l+js(5| }
!,5qAGi0 Xa$%`
public AppException(string message,Exception innerException)
*H=h7ESq {
T%Zfo7 LogEvent(message);
6Rq +=X if (innerException != null)
e},:QL0X {
xt`a":lr u LogEvent(innerException.Message);
HL>l.IG? }
EUH9R8) }
w Bm4~~_ p}wysVB //日志记录类
X(DP=C}v9 using System;
Tkp"mT
v?< using System.Configuration;
`Jj b4] using System.Diagnostics;
L5 Ai using System.IO;
dWwb}r(ky using System.Text;
fLSDt(c', using System.Threading;
d& v 7l J<Ki;_=I namespace MyEventLog
O(.eHZ= {
h2:TbQ /// <summary>
Bqk+ne /// 事件日志记录类,提供事件日志记录支持
<+b~E, /// <remarks>
!A|}_K1Cr /// 定义了4个日志记录方法 (error, warning, info, trace)
|N
2r?b/g /// </remarks>
N#R8ez` /// </summary>
GU Mf}y public class ApplicationLog
9]tW; ? {
p_apVm\t_ /// <summary>
_)3C_G1! /// 将错误信息记录到Win2000/NT事件日志中
&fkH\o7) /// <param name="message">需要记录的文本信息</param>
AAB_Ytf /// </summary>
J^~J& public static void WriteError(String message)
[E2".F3 {
Ze[\y(K! WriteLog(TraceLevel.Error, message);
Jiru~Vo+ }
~52'iI)Mw < mFU T /// <summary>
qk0cf~gz /// 将警告信息记录到Win2000/NT事件日志中
X;vUz /// <param name="message">需要记录的文本信息</param>
rploQF~OFF /// </summary>
3qV\XC+ public static void WriteWarning(String message)
Uz]=`F8 {
Hf30ve} WriteLog(TraceLevel.Warning, message);
{\LLiU}MJC }
hW;n^\lF#e FS('*w&bP /// <summary>
9]/:B8k /// 将提示信息记录到Win2000/NT事件日志中
Y2g%{keo /// <param name="message">需要记录的文本信息</param>
6D{70onY+ /// </summary>
Uhyf public static void WriteInfo(String message)
FZ8Qj8
{
F6h IG G WriteLog(TraceLevel.Info, message);
[w+1<ou;j }
u{l4O1k/c /// <summary>
UCTc$3 /// 将跟踪信息记录到Win2000/NT事件日志中
1$m{)Io2( /// <param name="message">需要记录的文本信息</param>
2)
2:KX /// </summary>
UvqnNA public static void WriteTrace(String message)
Zl]@;*u {
E2S#REB4 WriteLog(TraceLevel.Verbose, message);
<l+hcYam }
cVmF'g I0^oaccM /// <summary>
u:wijkx /// 格式化记录到事件日志的文本信息格式
xKepZ /// <param name="ex">需要格式化的异常对象</param>
4"^W/Zo /// <param name="catchInfo">异常信息标题字符串.</param>
X@)'E9g5: /// <retvalue>
Sj8fo^K50 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
aan(69=jz /// </retvalue>
p}X *HJq$ /// </summary>
5,Co(K public static String FormatException(Exception ex, String catchInfo)
jz\>VYi(7 {
6hXh;-U StringBuilder strBuilder = new StringBuilder();
6_g6e2F if (catchInfo != String.Empty)
{e., $'# {
`sd
H
q strBuilder.Append(catchInfo).Append("\r\n");
Vk76cV
D }
N7;kWQH strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@TzUcE return strBuilder.ToString();
zMO xJ }
]2[\E~^KU B.gEV*@ /// <summary>
CT<z1)#@^ /// 实际事件日志写入方法
"
#U-*Z7 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'P%&*% /// <param name="messageText">要记录的文本.</param>
%8P6l D /// </summary>
byZj7q5&Q private static void WriteLog(TraceLevel level, String messageText)
X|R"8cJ {
m YhDi try
%UV"@I+ {
FEV Ya#S EventLogEntryType LogEntryType;
G('UF1F switch (level)
c/(Dg$DbX {
(8/ & case TraceLevel.Error:
!!~r1)zN LogEntryType = EventLogEntryType.Error;
G=kW4rAk break;
~ntDzF case TraceLevel.Warning:
4v#s!W LogEntryType = EventLogEntryType.Warning;
=~21.p break;
pp
>F)A0v case TraceLevel.Info:
v\}{eP' LogEntryType = EventLogEntryType.Information;
[Qqss8a break;
Scmew case TraceLevel.Verbose:
,z+n@sUR: LogEntryType = EventLogEntryType.SuccessAudit;
V.ae 5@; break;
K_qA[n default:
Enp;-wG:- LogEntryType = EventLogEntryType.SuccessAudit;
91k-os(4] break;
_+%p!!
}
=:H EF;! A
"'h0D EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
1IK*j+% //写入事件日志
F 9q!Upr_+ eventLog.WriteEntry(messageText, LogEntryType);
LftGA7uGJ) zq|NltK }
]l catch {} //忽略任何异常
SUsdX[byb }
_0Y?(} } //class ApplicationLog
#aKUD }
JPg^h x3nUKQtk:8 12.Panel 横向滚动,纵向自动扩展
nKjT&R <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
wiM4, SJsbuLxR 13.回车转换成Tab
jRW@$ <mG <script language="javascript" for="document" event="onkeydown">
\+C0Rv^^ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
R~RE21kAc event.keyCode=9;
OA[fQH#{lX </script>
5`::#[ * C*aH6* onkeydown="if(event.keyCode==13) event.keyCode=9"
D28>e q$}gQ9'z' 14.DataGrid超级连接列
!0v3Lu~j DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
: T qeVf
M{YN^
Kk 15.DataGrid行随鼠标变色
Xpfw2;`U' private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^ Qxv5HS2 {
++=jh6 if (e.Item.ItemType!=ListItemType.Header)
FY/F}C,o {
0XA0b1V X e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
&=wvlI52` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
"Sw raq }
TW1#'G_# }
Qzv& "#w%sG^_ 16.模板列
o
ethO <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
]y"=/Nu-Ja <ITEMTEMPLATE>
n
ON]YDg <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C8}
;, </ITEMTEMPLATE>
Qp>Z&LvC5 </ASP:TEMPLATECOLUMN>
2M+*VO 1L=)93,M <ASP:TEMPLATECOLUMN headertext="选中">
wv Mp~ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Qr?1\H:Lq <ITEMTEMPLATE>
1*trtb4F <ASP:CHECKBOX id="chkExport" runat="server" />
^^*Ia'9 </ITEMTEMPLATE>
U+!&~C^y <EDITITEMTEMPLATE>
}R_Rw:W <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
d\r-)VWSr" </EDITITEMTEMPLATE>
@eq.&{& </ASP:TEMPLATECOLUMN>
&+yoPF ;ssI8\LG 后台代码
y8}
/e@& protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
J_9[xmM {
XcL%0%` //改变列的选定,实现全选或全不选。
mo&9=TaG CheckBox chkExport ;
`^h:}V if( CheckAll.Checked)
q*cEosi'F? {
r^ABu_u(`I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0:B%,nUM {
Sar1NkD# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
.=9d3uWJ/ chkExport.Checked = true;
4`")aM }
S,vdd7Y }
$ k_6 else
@\W-=YKLg {
y>^0q/=]?O foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2W#^^4^+ {
SnM^T(gtS3 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
O9AFQ)u chkExport.Checked = false;
Ep3I*bQ
Y }
aS~~*UHW }
5gb:,+ }
uJ0Wb$% }^^c/w_ 17.数字格式化
flOXV
R]0`-_T 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
FW{K[km^P <%#Container.DataItem("price","{0:¥#,##0.00}")%>
UKPr[ ,RP 9v* int i=123456;
{@k
, e string s=i.ToString("###,###.00");
> }kZXeR| [8K :ml 18.日期格式化
Sf@xP.d d qO]2d 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
=r3g:j/>q
=y`-:j\ 显示为: 2004-8-11 19:44:28
6;;2e> e :39arq 我只想要:2004-8-11 】
VmRfnH" <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
9mjJC m7i(0jd
+ 应该如何改?
}{Ra5-PY +[4y)y` 【格式化日期】
U]g9t<jD P!!O~P 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
kfZ(:3W$ 0|8cSE<
i
【日期的验证表达式】
{SD%{ ekqS=KfWl; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.K`n;lVs ^((\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})))?$
1qBE|PwBp 'pB? B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
JVr8O`>T ^\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]))$
14*6+~38m& =&(e* u_ 【大小写转换】
5".bM8o HttpUtility.HtmlEncode(string);
@.`k2lxGd~ HttpUtility.HtmlDecode(string)
'(g;nU< +@*>N;$ 19.如何设定全局变量
]'$:Y 0G2Y_A&e** Global.asax中
-Kcjnl92i 9}Ge@a<j Application_Start()事件中
s)KlKh 4t3>`x
7 添加Application[属性名] = xxx;
s!>9od6^ VE}r'MBk 就是你的全局变量
r3KNRr@ ai;Q,Vy 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#&1gVkvp q03+FLEfC HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
# s7e/GdKb xvomn`X1 【ASPNETMENU】点击菜单项弹出新窗口
p1(" {-f%g-@L6| 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
eKZS_Q d <?xml version="1.0" encoding="GB2312"?>
C[d1n#@r <MenuData ImagesBaseURL="images/">
CF@*ki3X <MenuGroup>
oJ`=ob4WDo <MenuItem Label="内参信息" URL="Infomation.aspx" >
]'w5s dP <MenuGroup ID="BBC">
V`HnFAW <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
z4$9,p
` <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
:"H?phk ......
g,W34*7=Q L
4Z+8* 最好将你的aspnetmenu升级到1.2版
N
Z,} v3 PN:`SWP 21.读取DataGrid控件TextBox值
.k
+>T*c{ foreach(DataGrid dgi in yourDataGrid.Items)
{TdxsE> {
#,1z=/d. TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
6NHP/bj<1V tb.Text....
.GL@`7" }
lnm@DWhf md!!$+a%| 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?
99CK [G 'cQ,;y 〖思归〗
?mSZQF:d@ <asp:TemplateColumn HeaderText="数量">
*<6dB#'
J <ItemTemplate>
n&zEYCSI <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
A1`6+8}o;b onkeyup="javascript:DoCal()"
`%"x'B`mM />
tE <?L Q"GM3? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
7Z<GlNv </ItemTemplate>
UUb0[oy </asp:TemplateColumn>
uXLZ!LJo jb{9W7;RL <asp:TemplateColumn HeaderText="单价">
C=v+e%)x@ <ItemTemplate>
B3u/
y <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
<r`;$K
onkeyup="javascript:DoCal()"
N&kUTSd />
`h'=F(v(} <t*<SdAq>` <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
pV_zePyOn n;$u%2 t2 </ItemTemplate>
yWE\)]9 </asp:TemplateColumn>
D
.LR-Z /!A"[Tyt <asp:TemplateColumn HeaderText="金额">
$!y^t$u$@ <ItemTemplate>
JYA>Q& <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
hvNK"^\p </ItemTemplate>
(2M00J-o </asp:TemplateColumn><script language="javascript">
/c 7z[| function DoCal()
+R HiX!PG {
S<*IoZ?T var e = event.srcElement;
,Z _@]D@ var row = e.parentNode.parentNode;
3S2Alx!6 var txts = row.all.tags("INPUT");
#7}M\\$M if (!txts.length || txts.length < 3)
y'I
m/{9U return;
U1pE2o- p@uHzu7 var q = txts[txts.length-3].value;
b4bd^nrqV var p = txts[txts.length-2].value;
?Tu=-ppw N- knhA if (isNaN(q) || isNaN(p))
" zD9R4\X. return;
nvXjW@)` R8eBIJ/@_ q = parseInt(q);
{;& U5<NO p = parseFloat(p);
Y~A I2H S Az8ZA ~Op= txts[txts.length-1].value = (q * p).toFixed(2);
QV:> x#=V }
SE@TY32T </script>
OdY9g2y#m 3o/f, }_ R){O]<+ 8>6<GdGL<n "kBVHy 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。
ID!S}D page_load
<)T~_s page.smartNavigation=true
yRl Bp5ra9*5+~ 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 ?
9+s&|XS* private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
YM'4=BlJHv {
CI$z+zN for(int i=0;i<e.Item.Cells.Count-1;i++)
{6:*c if(e.Item.ItemType==ListItemType.EditType)
#OM)71kB8 {
<OKc?[ e.Item.Cells.Attributes.Add("Width", "80px")
ag47 $9( }
alHA&YC{K }
QT^b-~^ svl!"tMXl 26.对话框
6o\uv private static string ScriptBegin = "<script language=\"JavaScript\">";
II.:k.D` private static string ScriptEnd = "</script>";
|3!) ha=2isq public static void ConfirmMessageBox(string PageTarget,string Content)
2ww
H3} {
ryh"/lu[B string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
oVn&L*H Wkjp:`(-$r ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
.Wy' PuGs%{$(h Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
f+n {9Hz ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
qTdwi?j_ //Response.Write(strScript);
{ AYW
C6Y }
F;}JSb" 7H{1i 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
jG;J qT sCrP+K0D 1.1 取当前年月日时分秒
<,n:w[+!`P currentTime=System.DateTime.Now;
M|%bxG^l U0:*?uA. 1.2 取当前年
Ew|Z<( int 年= DateTime.Now.Year;
43M.Hj] @P75f5p}< 1.3 取当前月
HB'9&
int 月= DateTime.Now.Month;
-aok ]w
m 6?KUS}nRS 1.4 取当前日
zb!1o0, J int 日= DateTime.Now.Day;
j7gTVfO
J9*;Bqzim 1.5 取当前时
83/m^^F{] int 时= DateTime.Now.Hour;
&,jUaC5I ]k7%p>c=B 1.6 取当前分
4=|Q2qgFV int 分= DateTime.Now.Minute;
.nrbd#i- GF%/q :9 1.7 取当前秒
M57<e`m int 秒= DateTime.Now.Second;
Qr3!6 n9={D 1.8 取当前毫秒
pInEB6L.P int 毫秒= DateTime.Now.Millisecond;
O)VcW/ h`N2M, 28.自定义分页代码:
*#Ia8^z=p m+s*Io{Ip 先定义变量 :
~B"HI+:\L public static int pageCount; //总页面数
7>O`UT<t4@ public static int curPageIndex=1; //当前页面
} f&=} -#T%* 下一页:
Nr2,m"R{ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
r1<*=Fs=>> {
i^.eX
VV/ DataGrid1.CurrentPageIndex += 1;
E\s1p:% curPageIndex+=1;
|a#ikY _nd }
f7Nmvla[q a7ZufB/ bind(); // DataGrid1数据绑定函数
fv8x7l7 @XzfuuE] 上一页:
k@|px#kq if(DataGrid1.CurrentPageIndex >0)
SQ[D2v {
bRm;d_9zC DataGrid1.CurrentPageIndex += 1;
lD[@D9 curPageIndex-=1;
@U5gxK* }
qQ3Q4R\ q/I( e bind(); // DataGrid1数据绑定函数
;2`6eyr h?SRX_ 直接页面跳转:
fTy:Re int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
l5H5!$3~ {X(nn.GpC if(a<DataGrid1.PageCount)
v8y Cf7+" {
{*GBUv5 this.DataGrid1.CurrentPageIndex=a;
_h}(jEd! }
*m<[ sS ,s3| bind();
6&SNFOX{@ zytN leyc 29.DataGrid使用:
\z !lw `I wZVz 添加删除确认:
~//9Nz~;3 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
l%GArH` {
~$T>,^K
y foreach(DataGridItem di in this.DataGrid1.Items)
aQx6;PC {
/Ls|'2J<$ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
k
$^/$N {
TU~y;:OJ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
mp$IhJ6# }
`Pj7:[."[ }
er3~gm }
^lV}![do! V>)/z|[ 样式交替:
MSM8wYcD ListItemType itemType = e.Item.ItemType;
g{}<ptx] eUNaq&M if (itemType == ListItemType.Item )
cK]n"6N[ {
`
wEX; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
o ;Z"I & e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
1K@ieVc }
\os"w " else if( itemType == ListItemType.AlternatingItem)
3<$Ek3X {
o}KVT%} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
w@,p` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?B ,<gen }
SQK82/ 8ly)G 添加一个编号列:
K(upzn*a DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
us|Hb DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
1DcBF@3sWG Q}B]b-c+E for(int i=0;i<dt.Rows.Count;i++)
\a;xJzc9 {
-avxH?;?7 dt.Rows["number"]=(i+1).ToString();
]m 3cm }
nn:'<6"oV tP! %(+V DataGrid1.DataSource=dt;
T=-UcF DataGrid1.DataBind();
y-.{){uaD \v-I<":: DataGrid1中添加一个CheckBox,页面中添加一个全选框
au50%sA~
private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
sv%E5@ {
D^%IFwU^ foreach(DataGridItem thisitem in DataGrid1.Items)
aB;f*x {
s1cu5eCt ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
\w1XOm [) }
`x
_(EZ }
Psx"[2iZm NCi~. I 将当前页面中DataGrid1显示的数据全部删除
>&+V[srfD foreach(DataGridItem thisitem in DataGrid1.Items)
[UzacX t {
B6IKD if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
nm<VcCc {
AzJ;EtR string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
V^Z5i]zT Del (strloginid); //删除函数
rM= :{ }
Lwi"K8.u }
^TZmc{i hL/u5h%$ 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)
Rf`_q7fm %b*N.v1+ 在Application_Start中添加以下代码:
ZPE- Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
em,1Yn? AppSettings["ConnStr"].ToString();
d*Mqs}8 fNAW4I I} 31. 变量.ToString()
$[`rY D/. F%p DF\ 字符型转换 转为字符串
["&{^ 12345.ToString("n"); //生成 12,345.00
}Em{?Hqy 12345.ToString("C"); //生成 ¥12,345.00
00i MU 12345.ToString("e"); //生成 1.234500e+004
Ddq*}Pf0K 12345.ToString("f4"); //生成 12345.0000
J2x}@p 12345.ToString("x"); //生成 3039 (16进制)
9b=0
4aWHm 12345.ToString("p"); //生成 1,234,500.00%
Z|*#)<|~ GNM>hQ)h: 32、变量.Substring(参数1,参数2);
w]qM
KZg2`8F 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
z0+JMZ/ |Y}YhUI& 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
r@r*|50 <SCRIPT language="javascript">
^(+q1O' <!--
cOdRb=?9 function gook(pws)
baG_7>Q9H {
p({@t=L3g frm.submit();
@:CM<+ }
j$_?g!I=gK //-->
?F]P=S:x Jy}~ZY </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
@a]cI <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
U`3?bhzua <tr>
tik*[1it <td>
N{g7 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
`T+>E0H(f <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
WG A&Lr <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
_I; hM W f"$ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
"4WnDd5" <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
\; '#8 vjGJRk|XED </td>
qh6b;ae\x "2C}Pr,p8 </tr>
{ST8'hY dL4VcUS. </form>
SbX^DAlB1 nT=%3_. 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。
]7k:3"wH a'Cny(( 下面是获取用户输入的登陆信息的代码:
$H3C/| string name;
dkEbP*yXg name=Request.QueryString["EmailName"];
xzY/$? y_[VhZ% try
={cM6F}a@ {
R?lTB3" int a=name.IndexOf("@",0,name.Length);
l[5** ?# f_user.Value=name.Substring(0,a);
<astIu Au f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Z)xcxSo f_pass.Value=Request.QueryString["Psw"];
:
^}!"4{ }
Y{e,I-"{ sV5k@1Y catch
[V?HK_~ {
lrHN6:x(Y4 Script.Alert("错误的邮箱!");
GNmP_N Server.Transfer("index.aspx");
EmUt/] }