1. 打开新的窗口并传送参数:
hMhD(X ~iF*+\ 传送参数:
Jg;Hg[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
i!YZF$| +zz9u?2C` 接收参数:
>JCSOI string a = Request.QueryString("id");
OdwSNG string b = Request.QueryString("id1");
+<bq@.x McH*J j 2.为按钮添加对话框
D95$ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
XD%?'uUQ_ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
HRx#}hN?+
CcAsJX~_ 3.删除表格选定记录
v+G}n\F int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
a[ Txd=b string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
b^hCm`2w* }[ux4cd8Y 4.删除表格记录警告
?vf\_R'M private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
G9Azd^3 {
8*6J\FE<p switch(e.Item.ItemType)
;$[o7Qm5r {
VJHHC.Kz case ListItemType.Item :
iWQBo>x case ListItemType.AlternatingItem :
3S'V>: case ListItemType.EditItem:
K< Ct TableCell myTableCell;
[h8F) myTableCell = e.Item.Cells[14];
Y k~ i.p LinkButton myDeleteButton ;
_2f}WY3S myDeleteButton = (LinkButton)myTableCell.Controls[0];
X] Tb4 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
_mXq]r0 break;
%k$+t default:
h/-7;Csv break;
B>a`mFM }
]~kqPw<R >{Lfrc1 }
#J^p,6 ;M4N=G Wd4 5.点击表格行链接另一页
y^M'&@F private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0FTiTrTn {
y~ ^>my7G //点击表格打开
VFA1p)n if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s/Q}fW$ex e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
>2$Ehw:K^ }
[HQ17 y<3v/,Y 双击表格连接到另一页
G/<{:R" uz'beE 在itemDataBind事件中
'*-X3p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=bv8W <# {
'[\%P2c)Q string OrderItemID =e.item.cells[1].Text;
*p.ELI1IC ...
[k."R@? e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
o#0NIn"GS/ }
)2rI/=R :peBQ{bj 双击表格打开新一页
Av+
w>~/3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
kQVl8KS {
;F~GKn;} string OrderItemID =e.item.cells[1].Text;
<!DOCvd ...
8'g/WZY~~ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
nW|[poQK }
z^B!-FcIz> +H="5uO< ★特别注意:【?id=】 处不能为 【?id =】
)](8{}wo 6.表格超连接列传递参数
O@E&lP6 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
r=@h}TKv{I <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
bIWcL$}4Q pLyX9C 7.表格点击改变颜色
$8_*LR$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o/=K:5 {
$I1p"6 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
fCEd
:Kr this.style.color=’buttontext’;this.style.cursor=’default’;");
_}JygOew }
?{{E/J:% .iew5.eB+ 写在DataGrid的_ItemDataBound里
gfr``z=>O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{'r(P& {
WNL3+ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
}[i35f[w this.style.color=’buttontext’;this.style.cursor=’default’;");
5-]%D(y e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
{MYlW0)~ }
4eIu@
";! 6e~+@S kO2im+y 8.关于日期格式
WQ"ZQ +;;fw |/ 日期格式设定
EidIi"sr DataFormatString="{0:yyyy-MM-dd}"
D0x+b2x^ L~ 1Lv? 我觉得应该在itembound事件中
:B=`^>RK e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
fJ\Ys;l[j DB>>U>H- 9.获取错误信息并到指定页面
df8rf8B- G]&:">&R 不要使用Response.Redirect,而应该使用Server.Transfer
VK`b'U&l" sBSBDjk[ e.g
Yq5}r?N // in global.asax
sV[|op protected void Application_Error(Object sender, EventArgs e) {
1N#TL"lMS if (Server.GetLastError() is HttpUnhandledException)
Bwll
[=_I Server.Transfer("MyErrorPage.aspx");
uVisU%p SAo"+% //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%
)|/s%W }
[;I.aT}R!; Bpk%,*$*) 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
8q tNK>D MX9q
)(: 10.清空Cookie
*=;=VUu5 Cookie.Expires=[DateTime];
ASu9c2s Response.Cookies("UserName").Expires = 0
;=uHK'{ rx^pGVyg 11.自定义异常处理
eJy@N //自定义异常处理类
IOmIkx&`GP using System;
#c!(97l6o using System.Diagnostics;
KCCS7l/ D=dY4WwG namespace MyAppException
w y
Le3 {
6xBP72L;%" /// <summary>
X.UIFcK^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
(Yw5X_|
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
gNZ^TeT /// </summary>
1p8E!c{}j public class AppException:System.ApplicationException
}#yRaIp {
;W+.]_$6)T public AppException()
N8nyTPw {
#Q$4EQB if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
DI$zyj~3 }
+Z{4OJK T>?sPq public AppException(string message)
J-\b?Ra {
twO)b"0 LogEvent(message);
I=3q#^}[ }
EO|
kiC `_v-Y`Z public AppException(string message,Exception innerException)
9Pem~< {
`I'=d4 LogEvent(message);
q_oYI3 if (innerException != null)
Ap97 Zcw {
wh~~g
qi9 LogEvent(innerException.Message);
m?M(79u[ }
]j{S' cz }
"&2D6 UiYA#m //日志记录类
/?_{DMt using System;
wT.V3G using System.Configuration;
Tzk8y7$[ using System.Diagnostics;
~Q]B}qdm using System.IO;
M#|TQa N using System.Text;
p>!r[v' using System.Threading;
1":{$A?OB aa".d[*1 namespace MyEventLog
mIr{Wocx {
2r*
o /// <summary>
-Xd/-,zPY /// 事件日志记录类,提供事件日志记录支持
WVo%'DtF` /// <remarks>
ZE=~ re /// 定义了4个日志记录方法 (error, warning, info, trace)
L)w& f /// </remarks>
2"i<--Y /// </summary>
\!YPht public class ApplicationLog
nFB;! r {
2nEj
X\BY /// <summary>
FlkAo] /// 将错误信息记录到Win2000/NT事件日志中
|r
/}r,t} /// <param name="message">需要记录的文本信息</param>
dmF<J>[ /// </summary>
O~t5qnu/} public static void WriteError(String message)
0{B5C[PTG {
^lQ-w|7( WriteLog(TraceLevel.Error, message);
8KAyif@1:: }
8a05`ZdP N[42al /// <summary>
IO6i /// 将警告信息记录到Win2000/NT事件日志中
s*!2oj /// <param name="message">需要记录的文本信息</param>
lYZHM," /// </summary>
>ZNL
pJQ public static void WriteWarning(String message)
f0^s*V+ {
c}{e,t WriteLog(TraceLevel.Warning, message);
tHu8|JrH+ }
&[s^`e Y.hrU*[J0 /// <summary>
+"p",Z /// 将提示信息记录到Win2000/NT事件日志中
bMv9f
J /// <param name="message">需要记录的文本信息</param>
L4[bm[x /// </summary>
4wBCs0NIm public static void WriteInfo(String message)
`9wz:s QtP {
Ri-I+7(n! WriteLog(TraceLevel.Info, message);
o0<T|zgF5, }
d[o = /// <summary>
>T(f /// 将跟踪信息记录到Win2000/NT事件日志中
IC{>q3 /// <param name="message">需要记录的文本信息</param>
I|`K;a
/// </summary>
[6-l6W public static void WriteTrace(String message)
AX1\L|tJS {
fIBLJ53 WriteLog(TraceLevel.Verbose, message);
wLgRI$_Dm }
=tog<7 c`t1:%S /// <summary>
4 5Ql7~ /// 格式化记录到事件日志的文本信息格式
}U#S* /// <param name="ex">需要格式化的异常对象</param>
(Hn,}(3S /// <param name="catchInfo">异常信息标题字符串.</param>
h{h=',o1 /// <retvalue>
60p1.;'/a /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
c~tkY!c /// </retvalue>
2'x_zMV /// </summary>
.KB*u*h public static String FormatException(Exception ex, String catchInfo)
:zZtZT! {
MT V'!Zxs StringBuilder strBuilder = new StringBuilder();
/`'50Cj if (catchInfo != String.Empty)
f5yd2wKy6 {
FF/MTd}6qG strBuilder.Append(catchInfo).Append("\r\n");
|YlUt~H> }
w6E?TI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
vfo[<" return strBuilder.ToString();
rVN|OLh }
_@@S,(MA qGh rJ6R! /// <summary>
2R5]UR S /// 实际事件日志写入方法
g`Rs; /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Xpa;F$VI /// <param name="messageText">要记录的文本.</param>
3^fZUldf /// </summary>
!~mN"+u& private static void WriteLog(TraceLevel level, String messageText)
,:v}gS?Uq {
) Z^(+ try
t4JGd)r {
pa\]@;P1 EventLogEntryType LogEntryType;
prm switch (level)
'@:;oe@] {
<<A@69"4n case TraceLevel.Error:
JN8k x;@ LogEntryType = EventLogEntryType.Error;
JTb<uC break;
@lJGdp case TraceLevel.Warning:
i\<l&W LogEntryType = EventLogEntryType.Warning;
=9)ypI-2 break;
4+W}TKw case TraceLevel.Info:
V3`*LU LogEntryType = EventLogEntryType.Information;
Onc!5L break;
2dq{n.cgs case TraceLevel.Verbose:
d+IPa<N LogEntryType = EventLogEntryType.SuccessAudit;
;wN.RPE_^ break;
+g.WO5A default:
c\x?k<= LogEntryType = EventLogEntryType.SuccessAudit;
2HTZ,W break;
r`&ofk1K }
" 7aFVf 9u)h$VC EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
'!Sj]+ //写入事件日志
nnE@1X3 eventLog.WriteEntry(messageText, LogEntryType);
L8$7^muad sVC5<?OW!p }
?Rwn1.Z catch {} //忽略任何异常
f{)*" }
!BY=HFT } //class ApplicationLog
6-JnT_ }
iFHVr'Og' 2
Sr'B;`p 12.Panel 横向滚动,纵向自动扩展
S\ li<xl <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
"TxXrt%>A 62zlO{ >rJ 13.回车转换成Tab
'Gc6ZSLM <script language="javascript" for="document" event="onkeydown">
~bwFQYY= if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
8=SNLO event.keyCode=9;
r|#4+' </script>
\UE9Ff+{ hrW.TwK onkeydown="if(event.keyCode==13) event.keyCode=9"
&3^40s/+ V}JW@ 14.DataGrid超级连接列
T|}HK]QOX DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
.6tz ^4 yy>4`_ 15.DataGrid行随鼠标变色
Uvuvr_IP private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1X{A}9nA {
"RG.vo7b if (e.Item.ItemType!=ListItemType.Header)
C
qxP@ {
LCdc7 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ce;9UBkOg2 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
d_yqmx?w }
bcZHFX }
`Yut1N p"X\]g^jA> 16.模板列
VJNPs6 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
L,l+1`Jz <ITEMTEMPLATE>
Gm|QOuw <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Jsw<,uTD </ITEMTEMPLATE>
_I-0[w </ASP:TEMPLATECOLUMN>
H`".L^ 9XoKOR( <ASP:TEMPLATECOLUMN headertext="选中">
1'd "O
@ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Y6CadC <ITEMTEMPLATE>
i&l$G55F <ASP:CHECKBOX id="chkExport" runat="server" />
``NjNd </ITEMTEMPLATE>
CHLMY}O0 <EDITITEMTEMPLATE>
({8Q=Gh <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
9~4Kbmr>q </EDITITEMTEMPLATE>
0 @,@ </ASP:TEMPLATECOLUMN>
d- ]% %d=-<EQ|& 后台代码
`P GWu1/ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
O a7W&wi {
M'g4alS //改变列的选定,实现全选或全不选。
(0k0gq; CheckBox chkExport ;
bc 0|tJc if( CheckAll.Checked)
P@Qo2zTh% {
F-ZD6l9O foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.f6_[cS;g {
SGbo|Xe7: chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3Fr}8Dy chkExport.Checked = true;
Pjx9@i }
4o|~KX8Qz }
$4L=Dg else
Q;Oc#
u {
8ZahpB foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{1qEN_ERx {
5Ut0I]h|z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
B kC(9[Ei chkExport.Checked = false;
jb*#!m.l }
m4%m0"Z }
n
XQg(! }
i? a]v 5 ) ejvT- 17.数字格式化
Rc6Rk!^ 7'<4'BGzl] 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
[s2%t"H-y <%#Container.DataItem("price","{0:¥#,##0.00}")%>
QzS{2Y[OQ co*5NM^ int i=123456;
5 Fd ]3 string s=i.ToString("###,###.00");
3;Xs`dk ?r@ZTuq# 18.日期格式化
mhs%b4'> T^Z#x-Q 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
!KF;Z|_(I |e\:0O? 显示为: 2004-8-11 19:44:28
`6M(`*Up 2R_k$kHl 我只想要:2004-8-11 】
[0rG"$(0Y <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
@hv9=v+ 0zfrx-'zN 应该如何改?
ht =yzJ9Pr =6 [!'K 【格式化日期】
)XNcy" bM!`C|,[s 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
|l~ADEg !O.B, 【日期的验证表达式】
Q/+a{m0f w"Z>F]YZ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
BujWql ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
lmd0Q(I zb3ir| B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
%?cPqRHJ ~ ^\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]))$
"JGaw_o
bhgh
]{ 【大小写转换】
8(+X0} HttpUtility.HtmlEncode(string);
|g9^]bT HttpUtility.HtmlDecode(string)
]:f1r8<3p Z@*Z@]FC 19.如何设定全局变量
"q%)we j9qN!.~mM Global.asax中
i?R qv<n (g;Ff`P
Pc Application_Start()事件中
w(@`g/b SHaZ-d 添加Application[属性名] = xxx;
vuK 5DG4 SY{J 就是你的全局变量
mHhm~u ]A\n>Z!; 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
K;Xn!:) V: E6G^?k~q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
0|U<T#t8? Oe=,-\&_ 【ASPNETMENU】点击菜单项弹出新窗口
ZBYmAD 712i| 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
O-|3k$'\z <?xml version="1.0" encoding="GB2312"?>
~q9RZ#g13J <MenuData ImagesBaseURL="images/">
4gZN~_AI< <MenuGroup>
D QRt\! <MenuItem Label="内参信息" URL="Infomation.aspx" >
' ZB%McS <MenuGroup ID="BBC">
f]hW>-B(q <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
(Hsfrc <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
.!`j3W] ......
,rN7X<s54 >s>5k
O 最好将你的aspnetmenu升级到1.2版
dp?uq' ]f\rB8k|& 21.读取DataGrid控件TextBox值
o 1b#q/ foreach(DataGrid dgi in yourDataGrid.Items)
8=e\^Q+ {
?@XO*|xkSk TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
*7Mrng tb.Text....
II2oV}7? }
;S%wPXj& :r6
bw 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?
>,y QG+ c[YC}@l%a 〖思归〗
Xak~He <asp:TemplateColumn HeaderText="数量">
{Cd*y6lI <ItemTemplate>
LO2sP"9 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
ffWvrY;j[ onkeyup="javascript:DoCal()"
N$3F4b%+ />
[m"X*ZF .c',?[S/vH <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ePF9Vzq </ItemTemplate>
f"-?%I*' </asp:TemplateColumn>
b1^MX).vH <k)rfv7 <asp:TemplateColumn HeaderText="单价">
"#OmmU<U <ItemTemplate>
M5q7`
}>G <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
#(A>yW702 onkeyup="javascript:DoCal()"
qv<VKJTi6] />
ik]UzB 5n"'M&Ce <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
oo qNPLa LPXwfEHOm </ItemTemplate>
f&,.h"bS </asp:TemplateColumn>
[m4<j ':fVb3A[*d <asp:TemplateColumn HeaderText="金额">
[g/g(RL <ItemTemplate>
H<q:+ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
,JjTzO </ItemTemplate>
J0x)m2
</asp:TemplateColumn><script language="javascript">
Lh0<A% function DoCal()
5=$D~>-# {
/f2*J var e = event.srcElement;
t4Z.b 5g var row = e.parentNode.parentNode;
cBAA32wf var txts = row.all.tags("INPUT");
m3,v&Z if (!txts.length || txts.length < 3)
Rk'pymap return;
Xh{EItk~oO c-3? D; var q = txts[txts.length-3].value;
'tdjPdw var p = txts[txts.length-2].value;
lKa}Bcd N_T;&wibO if (isNaN(q) || isNaN(p))
Z$@Juv&>5^ return;
@hCGV'4 M^bujGD q = parseInt(q);
+XQS
-= p = parseFloat(p);
J"z8olV 3}sd%vCK txts[txts.length-1].value = (q * p).toFixed(2);
APF-*/K? }
a([cuh. </script>
ruA!+@or S4\T ( hxv/285B u=4tW:W, 9SU;c l 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
.qHgQ_% page_load
N".
af)5 page.smartNavigation=true
;MO
%)) i
JQS@2=A 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
:0]KIybt private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
vm Hf$rq {
tn}9(Oa) for(int i=0;i<e.Item.Cells.Count-1;i++)
jfI|( P if(e.Item.ItemType==ListItemType.EditType)
toP7b {
zIlQqyOQ8 e.Item.Cells.Attributes.Add("Width", "80px")
0R; ;ou }
Gz
kf }
z,^baU /|>z7#?m^ 26.对话框
|i|>-|`! private static string ScriptBegin = "<script language=\"JavaScript\">";
\oaO7w,:" private static string ScriptEnd = "</script>";
yDHH05Yl p(
z.[ public static void ConfirmMessageBox(string PageTarget,string Content)
[rf.P'p% {
{>syZZ,h string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
HtXzMSGo7 $cYh X^YG. ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
:V >Z|?[*H B>JRta;hj Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
f>Ij:b`Z2 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
X)'uTf0 //Response.Write(strScript);
C7nLa@ }
i5rAb<q` g4U%(3,>D 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
zHyM@*Gf( [t>}M6?R: 1.1 取当前年月日时分秒
4Sw)IU~K( currentTime=System.DateTime.Now;
vQ
5
p sqsBGFeG 1.2 取当前年
\`x$@s? int 年= DateTime.Now.Year;
qi$6y? 2r\f!m' 1.3 取当前月
%kyvtt int 月= DateTime.Now.Month;
Es)Kw3^a KecR jon ~ 1.4 取当前日
8*lVO2 int 日= DateTime.Now.Day;
%\CsP! P0|V1,) 1.5 取当前时
c!j$-Ovm int 时= DateTime.Now.Hour;
hX<0{pXM4 zsWYV n] 1.6 取当前分
\|Us/_h int 分= DateTime.Now.Minute;
CGPPo;RjK Z?dz@d%C 1.7 取当前秒
7hQrL+%q8 int 秒= DateTime.Now.Second;
kWF, *@.B TVQ9"C 1.8 取当前毫秒
J](AJkGzK int 毫秒= DateTime.Now.Millisecond;
7RDfhKdb 4s%vx]E 28.自定义分页代码:
r
5:DIA! /wKL"M-% 先定义变量 :
lorjMS public static int pageCount; //总页面数
>DPC}@Wl public static int curPageIndex=1; //当前页面
tpU[KR[- *i&ks>4N 下一页:
bF<FX_}!s! if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
8|HuxE {
}H\wed]F/ DataGrid1.CurrentPageIndex += 1;
M2{{B^*$6 curPageIndex+=1;
'
FF@I^O }
REli`"bR yd'>Mw bind(); // DataGrid1数据绑定函数
5hg:@i',
;3 O0O 上一页:
1o
V\QK& if(DataGrid1.CurrentPageIndex >0)
7"FsW3an {
x} {/) ?vC DataGrid1.CurrentPageIndex += 1;
1@egAo) curPageIndex-=1;
1 VcZg%I }
0p)#!$ $@s&qi_&R bind(); // DataGrid1数据绑定函数
2ntL7F<ow ]-&A)M6 直接页面跳转:
V+(1U|@~
int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!0i $TGE if(a<DataGrid1.PageCount)
<Y9%oJn% {
A_i=hj2f this.DataGrid1.CurrentPageIndex=a;
K)QMxn }
0NL~2Qf_4 C|*U)#3:F bind();
s#hIzt &
=)HPzC 29.DataGrid使用:
]QlgVw, hxZ5EKBy 添加删除确认:
B<%cqz@ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0Q`Dp;a5& {
UP' ~D]J foreach(DataGridItem di in this.DataGrid1.Items)
.nl!KzO6g {
2<q>]G-nN if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
=^\yE"a {
yS'W ss
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
K&3,J7&& }
^ ~'&K e }
'1+s^Q'pc }
d| ;S4m` 0%&ZR=y(G 样式交替:
B]iPixA6 ListItemType itemType = e.Item.ItemType;
piULIZ0 n@[_lNa4GD if (itemType == ListItemType.Item )
Se{x-vn?p {
z@Pv~" e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
l|RBO+} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
KPHtD4 }
K2|2Ks_CS else if( itemType == ListItemType.AlternatingItem)
|Tv}leJF {
Xt}
4B# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
H{hd1 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$lVR6|n }
W T~UEK' 79`OB## 添加一个编号列:
1 etl:gcEC DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
+-2o b90_m DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
:8h\x -Y>,\VEK for(int i=0;i<dt.Rows.Count;i++)
v]{F.N {
vxE#6 dt.Rows["number"]=(i+1).ToString();
`xv2,Z9< }
8L1vtYz lDsT?yHS`Z DataGrid1.DataSource=dt;
nQ*9E|Vx DataGrid1.DataBind();
X\4d|VJ?m fJ<I|ZZ DataGrid1中添加一个CheckBox,页面中添加一个全选框
Q3"{v0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
#K#BNpG| {
/|s~X@%K foreach(DataGridItem thisitem in DataGrid1.Items)
27J!oin$ {
N>
7sG(!'" ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
A#7/,1h\ }
)+7|_7
!x }
nwS @r u1 Z;n 将当前页面中DataGrid1显示的数据全部删除
kx{LY`pY foreach(DataGridItem thisitem in DataGrid1.Items)
9[2qgw\D {
(;!92ct[? if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{'#1do}{ {
B_Ul&V string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H2kib4^i Del (strloginid); //删除函数
z][hlDv\j }
=M6Ph% }
\rj>T6 d6^:lbj 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)
eR3v=Q kI?+\k\V` 在Application_Start中添加以下代码:
u*}ltR~/ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
VdL*"i AppSettings["ConnStr"].ToString();
~ECIL7, =e)t,YVm 31. 变量.ToString()
pq"Z,9,F% zEVQ[y6BcM 字符型转换 转为字符串
zsM2R"[X 12345.ToString("n"); //生成 12,345.00
%8O1sF 12345.ToString("C"); //生成 ¥12,345.00
W{RZ@3ZY 12345.ToString("e"); //生成 1.234500e+004
HOaNhJ{7D 12345.ToString("f4"); //生成 12345.0000
JtvZ~s 12345.ToString("x"); //生成 3039 (16进制)
#7Fdmnu` 12345.ToString("p"); //生成 1,234,500.00%
whi#\>i *O|_)G 32、变量.Substring(参数1,参数2);
%<)!]8}P* CP'b,}Dd?I 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);
'kOkwGf! %1oB!+tv 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)
u4#YZOiY)A <SCRIPT language="javascript">
hv0bs8h <!--
dzQs7D} function gook(pws)
,B~5;/| {
57wHo[CJ frm.submit();
'aWqj+Wbh }
**V8a-@ //-->
n!dXjInV yJK:4af;. </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
R 7h^
@ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
[I?[N.v <tr>
G! Y
l0Zr <td>
,&~-Sq)~ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Ij>G7Q*d <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
-aq3Lqi <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
?6Wv["% q4ttmL8 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
R-Ys<; <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Q7.jSL6 2YDD`:R
</td>
x2,;ar\D h2-v.Tjf </tr>
}_Ci3|G>%D 7qSnP30} </form>
a&Qr7tTY" })+iAxR 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。
}a!ny .mHVJ5^:4\ 下面是获取用户输入的登陆信息的代码:
/a*8z,x string name;
tQ*?L name=Request.QueryString["EmailName"];
~GE|,Np Ay7PU try
|<