1. 打开新的窗口并传送参数:
J7p'_\ LKEf#mp 传送参数:
)`*=P}D response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
u> YC4& Cq<a|t 接收参数:
l9zkx'xt.- string a = Request.QueryString("id");
9:]w|lE:D string b = Request.QueryString("id1");
ZQ0R3=52r App9um3: 2.为按钮添加对话框
Kgb3>r Button1.Attributes.Add("onclick","return confirm(’确认?’)");
e*zt;SR button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
|k3^
eeLk `<3/k 3.删除表格选定记录
@77%15_Jz int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
V>Zw" #Q string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
7Zf
*T 4dd] Ju 4.删除表格记录警告
jMH=lQ+8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
"< c,I=A {
UE-+P switch(e.Item.ItemType)
AW XBk+ {
aj$#8l |zu case ListItemType.Item :
>=WlrmI case ListItemType.AlternatingItem :
wcd1.$ n case ListItemType.EditItem:
tlz+!> TableCell myTableCell;
G<8d=} myTableCell = e.Item.Cells[14];
7FTf8 LinkButton myDeleteButton ;
oaK&!$S] myDeleteButton = (LinkButton)myTableCell.Controls[0];
v&8%t 7| myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
d=6FL" .o break;
a%fMf[Fu default:
`u *:wJsv break;
TsvF~Gdp }
(;Ad:!9{ DO^K8~] }
$?e_l
+@j@# ~=K 5.点击表格行链接另一页
JF+E.-fy$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y\xa<!:g {
^e1Ux //点击表格打开
w<0F-0:8 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Avc9W[4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
H/v|H}d; }
"SV#e4C. 0+vt LDq@P 双击表格连接到另一页
Hl3%+f =MsQ=:ZV 在itemDataBind事件中
pSzO)j if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+W8L^Wl {
74c[m}'S string OrderItemID =e.item.cells[1].Text;
UP})j.z ...
cGE,3dsF[ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
"6<L)
8 }
:O~*}7G Jw
b'5[R 双击表格打开新一页
3T|xUY)G4 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
mHY R? {
8}^R jMgI string OrderItemID =e.item.cells[1].Text;
):c)$$dn ...
!=Hu?F p e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e[:i`J2 }
z+k[HE^S 4fq:W`9sN ★特别注意:【?id=】 处不能为 【?id =】
x e!([^l& 6.表格超连接列传递参数
z"vI-~,YU <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
ZSUbPz <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
W{1" v95O)cC:W 7.表格点击改变颜色
/ZeN\ybx if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j-R9=vB2 {
=u.jZ*u]WT e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
\a.^5g this.style.color=’buttontext’;this.style.cursor=’default’;");
[PI!.9H }
/4!.G#DLQ Si:$zGL$( 写在DataGrid的_ItemDataBound里
FS1>
J%P if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
RXbhuI {
)qL UHE= e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
mk'$ |2O this.style.color=’buttontext’;this.style.cursor=’default’;");
sb3k? q e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
/ta5d;@ }
/|HVp t
5{Y' h5do?b v! 8.关于日期格式
uDWxIP,m ?##3E,
/"9 日期格式设定
?c;T4@mB DataFormatString="{0:yyyy-MM-dd}"
~@Wg3'& .C=I~Z 我觉得应该在itembound事件中
W|yFjE&dr e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
68
*~5] V(^aG=TaW: 9.获取错误信息并到指定页面
:CR1Oy 9 6
#vc"5@M 不要使用Response.Redirect,而应该使用Server.Transfer
!go$J]T + bU*"5" e.g
{+SshT>J // in global.asax
b;K];o-/f protected void Application_Error(Object sender, EventArgs e) {
qIC9L"I if (Server.GetLastError() is HttpUnhandledException)
WC pCWtmy Server.Transfer("MyErrorPage.aspx");
L#}HeOEi[ D J:N //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
el"XD"* }
6M/*]jLq4 '20S oVp 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
F70_N($i wyVQV8+&> 10.清空Cookie
A;'*>NS Cookie.Expires=[DateTime];
&W|r
P( Response.Cookies("UserName").Expires = 0
6iZ:0y0t+6 5x}XiMM 11.自定义异常处理
))<1"7D^^ //自定义异常处理类
kYl')L6 using System;
O9_S"\8]@ using System.Diagnostics;
7F;dLd' ~*-%tFSv namespace MyAppException
' thEZ {
"8%z,lHw /// <summary>
~dm/U7B: /// 从系统异常类ApplicationException继承的应用程序异常处理类。
- UMPt"o /// 自动将异常内容记录到Windows NT/2000的应用程序日志
n_qDg /// </summary>
K@0/iWm* public class AppException:System.ApplicationException
="<S1}. {
$X;wj5oj public AppException()
waYH_)Zx {
dPtQ
Sa if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
1;Q>B>6 }
B/n/bi8T P\3$Y-id public AppException(string message)
ZnVx'Y {
jr=>L: LogEvent(message);
(oiF05n
h }
i=ztWKwKf >,#73u# public AppException(string message,Exception innerException)
KXS{@/"-B {
Naqz":%. LogEvent(message);
[&B}{6wry if (innerException != null)
Vjc*D] {
CQ(
_$ LogEvent(innerException.Message);
?u)[xEx6}+ }
V.f'Cw }
i]L4kh5 G9_M~N%a //日志记录类
<.l$jW] using System;
2^TJ_xG~ using System.Configuration;
/ >As9|% using System.Diagnostics;
cfg_xrW0^ using System.IO;
<"8<< using System.Text;
!6 k{]v using System.Threading;
j. m(Z} NyTGvBf namespace MyEventLog
x|6#
/m {
MUs~ZF /// <summary>
>d{O1by=d9 /// 事件日志记录类,提供事件日志记录支持
}_A#O|dxO /// <remarks>
:q+D`s /// 定义了4个日志记录方法 (error, warning, info, trace)
Kr*s]O /// </remarks>
] SErM#$* /// </summary>
:6
\?{xD public class ApplicationLog
[8b,}i 1 {
a33SY6. /// <summary>
!FhiTh:GCh /// 将错误信息记录到Win2000/NT事件日志中
u{/!BCKE /// <param name="message">需要记录的文本信息</param>
qDPpGI-Y2e /// </summary>
Ijs"KAW
? public static void WriteError(String message)
u3Jsu=Nx- {
+T R# WriteLog(TraceLevel.Error, message);
yQ3*~d~U|L }
pR
VL}^Rk >UQ`@GdafR /// <summary>
Q.d Hg7+D /// 将警告信息记录到Win2000/NT事件日志中
n*
7mP /// <param name="message">需要记录的文本信息</param>
6kc/ /// </summary>
5nhc|E)C public static void WriteWarning(String message)
k/|j e~$ {
3cp"UU}. WriteLog(TraceLevel.Warning, message);
wU|Y`wJmF }
"* Qwaq_ }: W6Bo-| /// <summary>
Fs bX{ /// 将提示信息记录到Win2000/NT事件日志中
x!<?/I)X /// <param name="message">需要记录的文本信息</param>
nKoc%TNqe /// </summary>
d_5wMK6O6 public static void WriteInfo(String message)
-bq\2Yc$] {
g@ ZZcBx WriteLog(TraceLevel.Info, message);
X[XSf= }
6}vPwI /// <summary>
&;)6G1X1 /// 将跟踪信息记录到Win2000/NT事件日志中
tVf 1]3(_> /// <param name="message">需要记录的文本信息</param>
N8Mq0Ck{$ /// </summary>
L'>t:^QTh public static void WriteTrace(String message)
p4|Zz:f {
|c]Y1WwDx WriteLog(TraceLevel.Verbose, message);
/y\KLa }
Ff\U]g 3j2% '$>E^ /// <summary>
jx=2^A/i2- /// 格式化记录到事件日志的文本信息格式
^H,o I* /// <param name="ex">需要格式化的异常对象</param>
o~Im5j],* /// <param name="catchInfo">异常信息标题字符串.</param>
mh4NZ @; /// <retvalue>
#hBDOXHPf /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
qP"<vZ /// </retvalue>
/FZ@Z]Q0G /// </summary>
z]NN ^pIa public static String FormatException(Exception ex, String catchInfo)
y3
{om^ f {
Ve4!MM@ti StringBuilder strBuilder = new StringBuilder();
LZ@4,Uj if (catchInfo != String.Empty)
\mt0mv;c {
d45JT?qg& strBuilder.Append(catchInfo).Append("\r\n");
FuYV}C }
R ks3L strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
XZaei\rUn) return strBuilder.ToString();
C?FUc cI }
wec|~Rc- 8bB'[gJ]{ /// <summary>
J%
B(4` /// 实际事件日志写入方法
!2('Cq_^ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
~D4%7U"dv /// <param name="messageText">要记录的文本.</param>
&k5 Z|d| /// </summary>
>^@/Ba$h private static void WriteLog(TraceLevel level, String messageText)
XK)qDg {
<tEN1i try
Ou
_bM n {
&&}' EventLogEntryType LogEntryType;
ACg5" switch (level)
T[iwP~l {
T/%s7!E case TraceLevel.Error:
\h%/Cp+p LogEntryType = EventLogEntryType.Error;
.[-d( #l{l break;
C^po*(W6 case TraceLevel.Warning:
cTKj1)!z?X LogEntryType = EventLogEntryType.Warning;
%#rH~E break;
r lalr+Rf case TraceLevel.Info:
Og`6>?>97 LogEntryType = EventLogEntryType.Information;
zL@ZNH break;
xQ
`>\f case TraceLevel.Verbose:
t`
R#pQ LogEntryType = EventLogEntryType.SuccessAudit;
/{. break;
NU*6MT4 default:
6'e}!O LogEntryType = EventLogEntryType.SuccessAudit;
nQc]f* break;
m~fA=#l
l }
vZM.gn qbjLTE= EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
zR'lQ<u //写入事件日志
F*F
U[ 5 eventLog.WriteEntry(messageText, LogEntryType);
/5@V $c8 BzqM$F(
L, }
|pv:'']J catch {} //忽略任何异常
Qa nE] }
o;XzJ#P } //class ApplicationLog
JDi|]JY }
kzhncku JkazB1h 12.Panel 横向滚动,纵向自动扩展
ZB'/DO=i <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.`84Y Z-RgN 13.回车转换成Tab
"CdL?( <script language="javascript" for="document" event="onkeydown">
_5vAnt* if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
We#u-#k_O event.keyCode=9;
[N}:Di,S </script>
yWa-iHWC y!SElKj onkeydown="if(event.keyCode==13) event.keyCode=9"
ZM/*cA!" n|vIo) 14.DataGrid超级连接列
swvn*xr DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Z8P{Cr~U9 **V^8'W< 15.DataGrid行随鼠标变色
">}l8MA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y K~;LV {
a %"My;8 if (e.Item.ItemType!=ListItemType.Header)
dnVl;L8L3 {
@,D 3$P8} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
)W!8,e+% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
)8ejT6r }
EKsL0;FV }
9 veq 7hq*+e 16.模板列
66x>* <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
<@9p|[! <ITEMTEMPLATE>
=PiDZS^" <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
12*'rU;* </ITEMTEMPLATE>
cB
U,! </ASP:TEMPLATECOLUMN>
iN0gvjZ @Iz vObK <ASP:TEMPLATECOLUMN headertext="选中">
R9o3T)9V <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
#EiOC.A= <ITEMTEMPLATE>
[Y_6PR <ASP:CHECKBOX id="chkExport" runat="server" />
A.<HOx </ITEMTEMPLATE>
0wV!mC <EDITITEMTEMPLATE>
Yxye?R-: <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
OPR+K ? </EDITITEMTEMPLATE>
$9dm2#0d </ASP:TEMPLATECOLUMN>
)cnB>Qul @~0kSA7 后台代码
3A%/H` protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
nS0K&MH6B {
cg$@x\fJ //改变列的选定,实现全选或全不选。
.L[WvAo CheckBox chkExport ;
!8^:19+ if( CheckAll.Checked)
je1f\N45 {
<JE-#i foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
TIbqUR {
77- Jx`C chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[L 0`B9TD~ chkExport.Checked = true;
[6Y6{.%~ }
f?T6Ne' }
[$_d|Z else
E(A7D XzbR {
mw9;LNi\D foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
z5PFppSQ {
J&w%lYiu5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
K^bzZa+a chkExport.Checked = false;
:1"{0gm }
h%
BA,C }
(3`Q`o; }
k;PQVF&E DQM\Y{y|3 17.数字格式化
d:C- <:)T7yVq 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
mRB-} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
4Y5Q>2D} s0"S;{_# int i=123456;
',k0_n?t string s=i.ToString("###,###.00");
K*Y.mM) :nYl]Rm 18.日期格式化
#W,BUN} _sIhQ8$: 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ab8uY.j *[jG^w0z8~ 显示为: 2004-8-11 19:44:28
]Ln2|$R
z"8%W?o> 我只想要:2004-8-11 】
WmTSxneo <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
rD)yEuYX Dk4Jg++ 应该如何改?
+HNY!fv9 XYIZ^_My 【格式化日期】
pOQ'k>! sJ)XoK syW 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
''S*B|: 4`5 jq) 【日期的验证表达式】
<@xp. Y ;}{xpJ/ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
vR<Y1<j ^((\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})))?$
vt}+d
StUm BsiHVr B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Xk%92Pto ^\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#qt<d}j @ROMHMd} 【大小写转换】
@0A7d
$J( HttpUtility.HtmlEncode(string);
@mBZu!, HttpUtility.HtmlDecode(string)
Ub=g<MYHV Cw]&B 19.如何设定全局变量
{LfVV5? 4VINu9\V Global.asax中
mw)KyU#l,: F2!C^r,~L Application_Start()事件中
p@] \ N v
0mc1g+9 添加Application[属性名] = xxx;
&3lg\&" _2+}_ >d 就是你的全局变量
&
.VciSq6 o5KpiibFM 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
XL>v$7`# x'_I{$C& HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
%[0V> |SC^H56+ 【ASPNETMENU】点击菜单项弹出新窗口
/n;-f%dL Lbk?( TL 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
3a #2 } <?xml version="1.0" encoding="GB2312"?>
rlr)n\R# <MenuData ImagesBaseURL="images/">
:&ir5xHS <MenuGroup>
=4cK9ac <MenuItem Label="内参信息" URL="Infomation.aspx" >
4hdxqI!y2 <MenuGroup ID="BBC">
T!e]= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
)$K )`uqb <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
=?>f[J5 ......
q15t7-Z6 braHWC'VYg 最好将你的aspnetmenu升级到1.2版
aOHf#!/"sb d:*,HzG 21.读取DataGrid控件TextBox值
^lhV\YxJ foreach(DataGrid dgi in yourDataGrid.Items)
i:W.,w%8 {
[2I1W1pd TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Xh"JyDTj3 tb.Text....
NfizX!w& }
)*@n G$i99 3wK{? 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$T(:l X@KF}x's 〖思归〗
"Mzb <asp:TemplateColumn HeaderText="数量">
h<2o5c| <ItemTemplate>
x`K<z
J <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
"&*O7cs$pA onkeyup="javascript:DoCal()"
SskvxH+7 />
f*KNt_|: -(9>{!",J <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%D_2; </ItemTemplate>
m UY+v>F </asp:TemplateColumn>
^6j: lL S0().2# <asp:TemplateColumn HeaderText="单价">
$qG;^1$ <ItemTemplate>
cM%I5F+n <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
8&?Kg>M onkeyup="javascript:DoCal()"
|Qo`K%8 />
:N$^x /{ vgY )
L <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
6lw)L l&l&eOE </ItemTemplate>
\'Oi0qo> </asp:TemplateColumn>
m
"' /H.w0fu&.S <asp:TemplateColumn HeaderText="金额">
94 58.!3 <ItemTemplate>
!h3$C\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
d-Vttxa6 </ItemTemplate>
c,nE@~ul2 </asp:TemplateColumn><script language="javascript">
I3`WY-uv function DoCal()
5%,5Xe4p {
E~vM$$O$ var e = event.srcElement;
tY~gn|M var row = e.parentNode.parentNode;
.vsrZ_y? var txts = row.all.tags("INPUT");
<[mT*
if (!txts.length || txts.length < 3)
_'DT)%K return;
5(RFkZn4[ jMv qKJ(< var q = txts[txts.length-3].value;
-|;{/ s5 var p = txts[txts.length-2].value;
-xs@rV` q5C(/@)^ if (isNaN(q) || isNaN(p))
0Oy.&C T return;
Kn-cwz5 "ee:Z_Sz q = parseInt(q);
ybLl[K(D= p = parseFloat(p);
2F*spu
d-/{@
txts[txts.length-1].value = (q * p).toFixed(2);
3cfJ(%'X }
4/UY*Us& </script>
Wno{&I63 (;DnL|"'8 w#|uR^~ }ie O `{w.OK 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。
@@~OA>^ page_load
j}9][Fm1* page.smartNavigation=true
{l$DNnS |R$V[ 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 ?
r}351S5( private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
FW* k O {
=rSJ6'2(" for(int i=0;i<e.Item.Cells.Count-1;i++)
Ze+p;v if(e.Item.ItemType==ListItemType.EditType)
'}#=I 9=ss {
UrtA]pc3L e.Item.Cells.Attributes.Add("Width", "80px")
*IBT!@*Q& }
SSG57N-T }
fz/Ee1T\ ..jc^'L 26.对话框
cbe&SxJ private static string ScriptBegin = "<script language=\"JavaScript\">";
r7B.@+QK private static string ScriptEnd = "</script>";
ToMvP B); zT$-% public static void ConfirmMessageBox(string PageTarget,string Content)
4lrF{S8 {
|v,%!ps string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
9N1Uv,OtB {A!1s; ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
-u)f@e =' %r"_`} Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
\j
C[|LM& ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
0
D^d-R, //Response.Write(strScript);
fny|^F]w }
RcJ.=?I! bO 8 >w9MF 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
O^|:q D{'>G@nLQ 1.1 取当前年月日时分秒
J,N='~kfh currentTime=System.DateTime.Now;
Nr~9] S z~Zu>Q1u[ 1.2 取当前年
d^uE4F} int 年= DateTime.Now.Year;
,Dh+-} KX8$j$yW 1.3 取当前月
\Af25Mcf: int 月= DateTime.Now.Month;
Qm9r>m6p@N >ZRCM 1.4 取当前日
{ #?$p i[ int 日= DateTime.Now.Day;
vNdMPulr{ <'(O0 1.5 取当前时
~x67v+I int 时= DateTime.Now.Hour;
$z1W0 sKE7U>mz| 1.6 取当前分
[=3f:>ssm int 分= DateTime.Now.Minute;
>~%!#,C(|U $MW-c*5a 1.7 取当前秒
=Sjr*)<@j int 秒= DateTime.Now.Second;
`)i'1E[9 2=R}u-@6p 1.8 取当前毫秒
W=QT-4 int 毫秒= DateTime.Now.Millisecond;
S
^5EG;[ Ug}dw a 28.自定义分页代码:
5&Y%N( D,$!.5OA 先定义变量 :
j%w}hGW%, public static int pageCount; //总页面数
k@}?!V*l public static int curPageIndex=1; //当前页面
<]:X ,[gu7z^| 下一页:
%IAZU c if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
?HD
eiJkX {
vI84=n DataGrid1.CurrentPageIndex += 1;
W~" 'a9H/ curPageIndex+=1;
gteG*p i }
ajr);xd _ ^ JhncL bind(); // DataGrid1数据绑定函数
!V%h0OE\ whH_<@! 上一页:
JXT%@w>I if(DataGrid1.CurrentPageIndex >0)
tccw0 {
,=Q;@Z4 vJ DataGrid1.CurrentPageIndex += 1;
/R/\>'{E&c curPageIndex-=1;
$*k(h|XfwW }
-_%8Q#"
5yA1<&z bind(); // DataGrid1数据绑定函数
3EY>XS 30BFwNE 直接页面跳转:
s)dL^lj; int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!'
} Fa"/p_1 if(a<DataGrid1.PageCount)
_%r +?I {
62-,!N 1- this.DataGrid1.CurrentPageIndex=a;
O {hM }
!sTOo W't?aj I| bind();
K^zu{`S DfPC@`
k 29.DataGrid使用:
?cyBF*o b-/8R|Mem 添加删除确认:
h)NZG6R private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BB$(0mM^ {
4+tKg*| foreach(DataGridItem di in this.DataGrid1.Items)
HpXQD; {
9~rrN60Q if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
J2_~iC&;s {
B,xohT ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
\Fh#CI }
bmid;X| }
fen~k#|l }
AhyV UnE[FYx 样式交替:
|>'.( ListItemType itemType = e.Item.ItemType;
13JZ\`ceb *ku}.n if (itemType == ListItemType.Item )
_L^(CFE {
8*bEsc| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
/W|=Or2oR e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
TA9Kg=_ }
1WP(=7$. else if( itemType == ListItemType.AlternatingItem)
/%9Ge AAs {
Yl$R$u) e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
23(j < e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
uY_vX\;67z }
nt:d,H<p @H83Ad 添加一个编号列:
bb4 `s0 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
0[
BPmO6 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
t@#l0lu$ gs:V4$(p4 for(int i=0;i<dt.Rows.Count;i++)
I$y6N"| {
w7d<Ky_C dt.Rows["number"]=(i+1).ToString();
o9XT_!Cwg }
W5SCm(QS5 Gi+ZI{) DataGrid1.DataSource=dt;
W2`/z)[*> DataGrid1.DataBind();
yKhN1kY /cXVJ(#j DataGrid1中添加一个CheckBox,页面中添加一个全选框
)IFFtU~, private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
vVyX[ZZ {
e[($rsx foreach(DataGridItem thisitem in DataGrid1.Items)
*NjjFk=R {
CG0jZB#u ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
r7zS4;b }
\UEO$~Km }
\i.Yhl:O HZl//Uq 将当前页面中DataGrid1显示的数据全部删除
-Pt']07E foreach(DataGridItem thisitem in DataGrid1.Items)
JVe!(L4H {
bd;?oYV~ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
DkA@KS1Dq {
hMNC] string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
i.5?b/l0 Del (strloginid); //删除函数
8q/3}AnI }
S)\Yc=~h }
L#~z# AdL>?SG% 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)
4Q?3gA1 ?.~hex#M@ 在Application_Start中添加以下代码:
= lMs1}S9 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
T*"*##c AppSettings["ConnStr"].ToString();
LcW:vV|'K 7Ap==J{a 31. 变量.ToString()
xV\mS+#
50R&;+b 字符型转换 转为字符串
O?OG`{k 12345.ToString("n"); //生成 12,345.00
*>,#'C2 12345.ToString("C"); //生成 ¥12,345.00
2'-!9!C 12345.ToString("e"); //生成 1.234500e+004
sKniqWi 12345.ToString("f4"); //生成 12345.0000
x@Ze%$' 12345.ToString("x"); //生成 3039 (16进制)
'\wZKYVN 12345.ToString("p"); //生成 1,234,500.00%
hhr!FQ.+/ 2JR$ 32、变量.Substring(参数1,参数2);
nl/~7({ n:P++^ j 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);
Ap)pOD7 =}1m. 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)
OaF[t*]D3 <SCRIPT language="javascript">
s;Sv@=\ <!--
u}(K3H3 function gook(pws)
!g2~|G {
LQ{z}Ay frm.submit();
qgkC) }
;hZ^zL //-->
x*a^msY% 7\<}378/^ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
HlgkW&