1. 打开新的窗口并传送参数:
=Lp7{09u ccJM>9 传送参数:
+OHGn;C response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
U1R4x!ym4 E6MA?Ax&= 接收参数:
5.0e~zlM- string a = Request.QueryString("id");
elPE%' string b = Request.QueryString("id1");
+j/~Af p5f $)Bg JDr 2.为按钮添加对话框
\_BkY%a Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ym8}ZW- button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
m`A%
p q_fam,9 3.删除表格选定记录
iCQ>@P]nE int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8|g<X1H{M string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ROb\Rxm 19U]2D/z 4.删除表格记录警告
kLP0{A private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
UQ?%|y*Kc {
Xrqx\X switch(e.Item.ItemType)
A[N{ {
0 p uY"[c case ListItemType.Item :
HIvZQQW| case ListItemType.AlternatingItem :
P 7D!6q case ListItemType.EditItem:
F7}-! TableCell myTableCell;
_e<o7Y@_ myTableCell = e.Item.Cells[14];
T6BFX0$ LinkButton myDeleteButton ;
A#y@`}]!' myDeleteButton = (LinkButton)myTableCell.Controls[0];
r ,(Mu myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
8p^B hd break;
H`QQG! default:
k!L@GQ break;
zTm]AG|0 }
^A_;#vK {8RFK4! V@ }
B4H!5b !nf-}ze{ 5.点击表格行链接另一页
t+ Bf#: private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8?FueAM'
{
GZ #aj| //点击表格打开
]$iqa"{ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?h8{xa5b e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
8{
c !). }
[:EvTY ]ZoPQUS? 双击表格连接到另一页
$)~ ef"?|sn 在itemDataBind事件中
I/J7rkf if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sy5 Fn~\R {
?}P5p^6 string OrderItemID =e.item.cells[1].Text;
^"8wUsP ...
Hf gz02Z$ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
IVxWxM*N< }
V|D]M{O X@A1#z+s0] 双击表格打开新一页
%eWqQ3{P] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}Fb!?['G5 {
4"?^UBr string OrderItemID =e.item.cells[1].Text;
SX0_v_%M ...
Q /x8 #X e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
~aK?cP }
qt e>r ts~{w;c ★特别注意:【?id=】 处不能为 【?id =】
[1G^/K" 6.表格超连接列传递参数
>!6JKL~= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
NZLAk~R;0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
BRRj$)u |UnUG 7.表格点击改变颜色
|bv,2uW z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
bCv {1]RC2 {
E2wz(,@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"y?\Dx
this.style.color=’buttontext’;this.style.cursor=’default’;");
._Zt=jB }
mu]as: ~ (=x"Y{% 写在DataGrid的_ItemDataBound里
p<Z3tD;Z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
I27,mS+] {
#o`Ny4sq/ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
`|Z}2vo;j this.style.color=’buttontext’;this.style.cursor=’default’;");
kma?v B e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
coE&24,0 }
.x83Ah` Pt,ebL~ CB\{! 8.关于日期格式
z`@^5_ 7E$&2U^Js 日期格式设定
`6=-WEo DataFormatString="{0:yyyy-MM-dd}"
pL1i|O
hf6f.Z 我觉得应该在itembound事件中
)$%Z: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
$D1w5o- RBKOM$7 9.获取错误信息并到指定页面
:*514N ]jMKC8uz 不要使用Response.Redirect,而应该使用Server.Transfer
dtStTT S^I,Iz+`S' e.g
Dr<='Ux[5 // in global.asax
k`KGB protected void Application_Error(Object sender, EventArgs e) {
<!d"E@%v@ if (Server.GetLastError() is HttpUnhandledException)
"8f?h%t Server.Transfer("MyErrorPage.aspx");
j V3)2C} {lG@hN' //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
E$s/]wnr[ }
kh$_!BT
g\fhp{gWB Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
PG%0yv% R{YzH56M 10.清空Cookie
a
dfR!&J Cookie.Expires=[DateTime];
,U,By~s Response.Cookies("UserName").Expires = 0
sUkm|K`# 9' 1B/{ 11.自定义异常处理
E\7m<'R //自定义异常处理类
%V!iQzL1 using System;
d[gl]tj9 using System.Diagnostics;
3L>IX8_ '_s}o< namespace MyAppException
{Bvj"mL]j {
F?+3%>/A@ /// <summary>
{BBw$m, o /// 从系统异常类ApplicationException继承的应用程序异常处理类。
RrrK*Fk8= /// 自动将异常内容记录到Windows NT/2000的应用程序日志
unl1*4e+ /// </summary>
K]oM8H1 public class AppException:System.ApplicationException
E`\8TqO {
C2U~=q>> public AppException()
rt-\g1x {
&$FvWFRh# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
nv0@xnbz }
#EO1`9f48x e9pOisZ;8 public AppException(string message)
l*aj#%ha {
yGBQ0o7E LogEvent(message);
x+5p1sv6 }
od<b!4k~s cc=gCE public AppException(string message,Exception innerException)
lU]un&[N {
rsNf$v-* LogEvent(message);
J:dof:q if (innerException != null)
0X|_^"! {
GV|9H]_,I LogEvent(innerException.Message);
shC;hR&; }
:t$aN|>y }
ihe(F7\U 9v)%dO. //日志记录类
bKVj [r8D~ using System;
%y[1H5)3< using System.Configuration;
K<sC F[ using System.Diagnostics;
WKM)*@#, using System.IO;
"@3@/I using System.Text;
8ovM\9qT using System.Threading;
XE3aXK'R {QaNAR=) namespace MyEventLog
P,pnga3Wu {
<lxD}DH= /// <summary>
5ABhj* 7 /// 事件日志记录类,提供事件日志记录支持
fIC9WbiH- /// <remarks>
P'Q$d+F, /// 定义了4个日志记录方法 (error, warning, info, trace)
m*0,s /// </remarks>
L6P1L) /// </summary>
1^J`1 public class ApplicationLog
5`[n8mU {
;oOv/3 /// <summary>
}u{gR:lZ /// 将错误信息记录到Win2000/NT事件日志中
gYAF'? /// <param name="message">需要记录的文本信息</param>
we7c`1E /// </summary>
,8G{]X) public static void WriteError(String message)
x|64l`Vp(: {
Yepe=s+9 WriteLog(TraceLevel.Error, message);
Bvjl-$m!v }
xG&SX#[2 gIEl. /// <summary>
Px@/Q /// 将警告信息记录到Win2000/NT事件日志中
bF}V4"d,B3 /// <param name="message">需要记录的文本信息</param>
R\Z:n* /// </summary>
a?5[k}\ public static void WriteWarning(String message)
oS,I~}\kQ {
V_n<?9^4 WriteLog(TraceLevel.Warning, message);
2
+5e0/_V }
=ziwxIo6 \a^,sV /// <summary>
C&\5'[* /// 将提示信息记录到Win2000/NT事件日志中
o`,Qku k /// <param name="message">需要记录的文本信息</param>
'fwU]Hm /// </summary>
>cmE
t public static void WriteInfo(String message)
"%2xR[NF {
'WyTI^K9 WriteLog(TraceLevel.Info, message);
]1-z!B 4K }
.4.pJbOg /// <summary>
vdoZ&Tu /// 将跟踪信息记录到Win2000/NT事件日志中
Eu<1Bse; /// <param name="message">需要记录的文本信息</param>
O OFVnu /// </summary>
Z^KA public static void WriteTrace(String message)
!7B\Xl'S {
3#kitmV WriteLog(TraceLevel.Verbose, message);
72T I }
D]! aT+ &.i^dO^} /// <summary>
^>4o$} /// 格式化记录到事件日志的文本信息格式
*y[PNqyd /// <param name="ex">需要格式化的异常对象</param>
Q'B6^%:<~ /// <param name="catchInfo">异常信息标题字符串.</param>
R614#yn-+ /// <retvalue>
o;F" {RZ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
f5RE9%.#~ /// </retvalue>
XdEPbD- /// </summary>
DR9: _ public static String FormatException(Exception ex, String catchInfo)
m@Ev~~; {
+';>=hha StringBuilder strBuilder = new StringBuilder();
}71LLzG`/ if (catchInfo != String.Empty)
.~lKBkS`! {
mo]KCi strBuilder.Append(catchInfo).Append("\r\n");
z;u>
Yz+3 }
]bCq=6ZKR strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
e=P return strBuilder.ToString();
a.F Al@Br }
$e%2t^ i.g d=.2@Ry /// <summary>
d?idTcgs /// 实际事件日志写入方法
>gtQw! /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
uw\1b.r'B /// <param name="messageText">要记录的文本.</param>
JM$.O;y
- /// </summary>
K2_Qu't0$ private static void WriteLog(TraceLevel level, String messageText)
<{(/E0~V/< {
?gGt2O1J try
>/f_F6ay# {
+WJ(QZEhD EventLogEntryType LogEntryType;
1a0kfM$ switch (level)
JD>d\z2QC {
2B~wHv case TraceLevel.Error:
{aKqXL[UP LogEntryType = EventLogEntryType.Error;
F#|O@.tDG break;
P'@<:S| case TraceLevel.Warning:
84zTCX LogEntryType = EventLogEntryType.Warning;
%bXx!x8( break;
]6Ug>>x5 case TraceLevel.Info:
zkM"cb13q/ LogEntryType = EventLogEntryType.Information;
.uo.N break;
C=Fzu&N} case TraceLevel.Verbose:
|C \}P LogEntryType = EventLogEntryType.SuccessAudit;
4fV3Ear=j break;
$
0|a; default:
U09.Y LogEntryType = EventLogEntryType.SuccessAudit;
}'"Gr%jf( break;
0x2!<z }
A?5E2T1L%. 4S0>-?{ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
F7m?xy //写入事件日志
ge3sU5iZ eventLog.WriteEntry(messageText, LogEntryType);
>r/rc`Q XhzGLYb~I` }
Rn%N&1
Ef catch {} //忽略任何异常
Ko>&)%))$X }
cNpe_LvW } //class ApplicationLog
4o:hyh }
R$kpiqK =tTqN+4 12.Panel 横向滚动,纵向自动扩展
2],_^XBvB <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
p4> $z& _ ]Hj<IvG 13.回车转换成Tab
9ch#}/7B <script language="javascript" for="document" event="onkeydown">
Z[!d*O%R_ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Ey{%XR+*; event.keyCode=9;
1iT\df </script>
23(=Xp3;> 73A)lU. onkeydown="if(event.keyCode==13) event.keyCode=9"
iJFs0?* .ujT!{>v/ 14.DataGrid超级连接列
B-.v0R`5 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
X#a`K]!B 57{oh") 15.DataGrid行随鼠标变色
{)f~#37 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ExSe=4q# {
G}@#u9 if (e.Item.ItemType!=ListItemType.Header)
j Ib {
DH DZ_t: e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
eg"Gjp-4= e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
_zxLwU1(x }
ulHn#) }
4Q=ftY< 3Rg}+[b
16.模板列
fyz
nuUl <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
egR9AEJvz <ITEMTEMPLATE>
O[17";P <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
s}&bJ"!Z </ITEMTEMPLATE>
RIM`omM </ASP:TEMPLATECOLUMN>
"yziXT@V d&cU* <ASP:TEMPLATECOLUMN headertext="选中">
SQsSa1 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
%,@vWmn <ITEMTEMPLATE>
x)rlyjFM <ASP:CHECKBOX id="chkExport" runat="server" />
? Q@kg </ITEMTEMPLATE>
C`rLj5E% <EDITITEMTEMPLATE>
yDb'7(3- <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
a^qNJ?R! </EDITITEMTEMPLATE>
iVtl72O </ASP:TEMPLATECOLUMN>
AEmNHO@%q A\rt6/ 后台代码
<q)4la protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
"Y`3DxXz {
`"yxdlXA //改变列的选定,实现全选或全不选。
3OyS8` CheckBox chkExport ;
TG48%L if( CheckAll.Checked)
87!C@XlK_ {
:qhpL-ER foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9DQ)cy {
yAT^VRbv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
14eW4~Mr chkExport.Checked = true;
rr`;W}3 }
K`}{0@ilCw }
$lIWd else
uy _wp^ {
5cr(S~Q; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
zo{/'BnU {
XKL3RMF9r chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P;ZU-G4@ chkExport.Checked = false;
MfF~8 }
sRVIH A, }
Mk 0+D# }
~na!@<zB{ z2gk[zY& 17.数字格式化
Eh</? Qv\ :nHKl
【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
}K1 0Po' <%#Container.DataItem("price","{0:¥#,##0.00}")%>
KT|RF $\o{_?}1 int i=123456;
M4LP$N string s=i.ToString("###,###.00");
E9\vA*a gwrYLZNGI 18.日期格式化
+[@z(N-h S0h'50WteJ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
1sE?YJP- 4EI7W,y 显示为: 2004-8-11 19:44:28
'crlA~/ m`#Od^vk 我只想要:2004-8-11 】
~0$NJrUy <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
mvW% t-
u VZ!`\ 应该如何改?
N- e$^pST 8,D 2^Gg 【格式化日期】
eg<bi@C1| m p<1yY] 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
0`.^MC? 7g=2Z[o 【日期的验证表达式】
I jr\5FA[p /-zXM;h A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
sb:d>6 ^((\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})))?$
AL/?,%F t$2_xX B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Gir#"5F ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
~DO4, 1}hIW":3Sr 【大小写转换】
kP#e((f, HttpUtility.HtmlEncode(string);
d\e7,"L*Q HttpUtility.HtmlDecode(string)
G6VF>2 O/:UJ( e{ 19.如何设定全局变量
!-s!f&_ x@mL $ Global.asax中
2._X|~0a tg^sCxz9] Application_Start()事件中
"~UUx"Y U$oduY# 添加Application[属性名] = xxx;
'c\iK=fl q'pK,uNW 就是你的全局变量
Y|8vO <Q|d&vDVfV 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
R.7 :3h yA{W HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Gm*X'[\DD rt
JtK6t 【ASPNETMENU】点击菜单项弹出新窗口
{M,,npl hdTzCfeZ5@ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
E.1J2Ne <?xml version="1.0" encoding="GB2312"?>
?UM*Xah <MenuData ImagesBaseURL="images/">
*<1r3! <MenuGroup>
t6v/sZ{F <MenuItem Label="内参信息" URL="Infomation.aspx" >
O25lLNmO <MenuGroup ID="BBC">
gGfoO[B <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Z{?G.L*/ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
[qsEUc+Z.' ......
0M\D[mg vn/.}GkpU 最好将你的aspnetmenu升级到1.2版
8enEA^ hY`\&@ 21.读取DataGrid控件TextBox值
HR}bbsqxVf foreach(DataGrid dgi in yourDataGrid.Items)
.s$z/Jv {
!!Z?[rj TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
@k&qb!Qah tb.Text....
=B.F;40 }
4&l10fR5 SwZA6R& 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?
{k rswh3 hMtf.3S7c 〖思归〗
arf8xqR-U] <asp:TemplateColumn HeaderText="数量">
-W>'^1cR <ItemTemplate>
S6fb f>[ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[z7bixN onkeyup="javascript:DoCal()"
fFQ|T:vm />
eF2|Wjl``; o.I6ulY8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
s=CK~+,/ </ItemTemplate>
T
Q,?>6n </asp:TemplateColumn>
R##~*># y!xE<S&Y <asp:TemplateColumn HeaderText="单价">
!>:?rSg* <ItemTemplate>
;| 1$Q!4 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
W%\C_ onkeyup="javascript:DoCal()"
3po:xMY />
itMg|%B% "yW:\ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
S{3nM< JfPD}w </ItemTemplate>
X]y)qV)a[c </asp:TemplateColumn>
={u0_j
W u(G*\<z- <asp:TemplateColumn HeaderText="金额">
V*~Zs'L'E <ItemTemplate>
64
5z#_}C$ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
8U_{|]M
</ItemTemplate>
W6Y@U$P#G </asp:TemplateColumn><script language="javascript">
D+>1]ij function DoCal()
0bo/XUpi {
}}<z/zN&^ var e = event.srcElement;
c/uNM var row = e.parentNode.parentNode;
x#:| }pR var txts = row.all.tags("INPUT");
A<ynIs< if (!txts.length || txts.length < 3)
G$sA`<< return;
71l%MH rXHv`ky var q = txts[txts.length-3].value;
)5
R=Z< var p = txts[txts.length-2].value;
fDP$ sW 1UQHq@aM if (isNaN(q) || isNaN(p))
G%Lt.?m[ return;
b6*!ACY ]~Z6; q = parseInt(q);
'}9JCJ p = parseFloat(p);
Lco&Fp {%C7EAq* txts[txts.length-1].value = (q * p).toFixed(2);
\J6j38D5 }
SV(]9^nW </script>
'PP#^aI, ^4o;$u4R R=KQ vI@%Fg+D wiBVuj# 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
Ox@P6|m page_load
^I+)o1%F page.smartNavigation=true
*2GEnAZb7n J4\ qEO 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
h5K$mA5 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
CoA6 {
8}(]]ayl for(int i=0;i<e.Item.Cells.Count-1;i++)
z0do;_x]E if(e.Item.ItemType==ListItemType.EditType)
m1*O0Tg]" {
}m-FGk e.Item.Cells.Attributes.Add("Width", "80px")
&@3H%DP}Ql }
|p-t%xDdr }
C/-63O_ [VWUqlNt> 26.对话框
uDZT_c'Y private static string ScriptBegin = "<script language=\"JavaScript\">";
[0D
Et private static string ScriptEnd = "</script>";
_(KbiEB{ 0c#/hFn public static void ConfirmMessageBox(string PageTarget,string Content)
7t*"%]o {
ZGd!IghL string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
b2FO$Os u#@Q:tnN_ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
q?ix$nKOv NhYLtw^u Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Q6r7.pk"SU ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
pn^ d]rou? //Response.Write(strScript);
NrJKbk^4u/ }
R`~z0d. 9cj9SB4 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
_x5 3g
A tq|hPd<C 1.1 取当前年月日时分秒
@i*|s~15 currentTime=System.DateTime.Now;
5;{H&O9Q ~B(6+~%
1.2 取当前年
&kpwo ) int 年= DateTime.Now.Year;
STaA]i}P vZBc!AW 1.3 取当前月
E^SH\5B int 月= DateTime.Now.Month;
zO
MA /ID?DtJ 1.4 取当前日
x>Jr_A( int 日= DateTime.Now.Day;
BGu?<bET a 7,C>%I 1.5 取当前时
AoI/n4T^ int 时= DateTime.Now.Hour;
xoR;=ph w/ K_B:s 1.6 取当前分
HC}YY2 int 分= DateTime.Now.Minute;
*VZ5B<Ic r#B+(X7LM 1.7 取当前秒
D N*t~Z3[ int 秒= DateTime.Now.Second;
eh5gjSqx 0p\@!Z H 1.8 取当前毫秒
I2nhqJy^ int 毫秒= DateTime.Now.Millisecond;
aUtnR<6 uF3qD|I\ 28.自定义分页代码:
t0T"@t#c m
RO~aD!N 先定义变量 :
x
a06i# public static int pageCount; //总页面数
(#E.`e1#6 public static int curPageIndex=1; //当前页面
v7`HQvQEz= d8x \ 下一页:
]]wA[c~G if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
}B.H|*uO {
5>\/[I/! DataGrid1.CurrentPageIndex += 1;
[E
] E curPageIndex+=1;
c*@E_}C# }
g'm+/pU)w) 1OF&
* bind(); // DataGrid1数据绑定函数
E3iW-B8u8 :B:"NyPA 上一页:
UQI]>#_/v if(DataGrid1.CurrentPageIndex >0)
WpRc)g: {
PuZf/um DataGrid1.CurrentPageIndex += 1;
6<ZkJ:= curPageIndex-=1;
o$Z6zm xO }
b^$|Nz;
_&b4aW9< bind(); // DataGrid1数据绑定函数
4sT88lG4n HZf/CE9T 直接页面跳转:
'4#}e[e int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
jYhB
+| L-k@-)98 if(a<DataGrid1.PageCount)
ynhmMy% {
V:c;-)( this.DataGrid1.CurrentPageIndex=a;
"PpN0Rr }
mA=i)Ga Oal3rb bind();
Q{lpKe0 OUNd@o 29.DataGrid使用:
^ cz(}N
6& t>$kWd{9e; 添加删除确认:
[a
wjio private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
fu]s/'8B {
LMAE)]N foreach(DataGridItem di in this.DataGrid1.Items)
p ObX42 {
(X3Tav if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
x"
L20} {
:FTMmW,>' ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
D
'Zt }
AQ[GO6$,%H }
C
.~+*"Vw }
^i}
L-QR yLQ*"sw\ 样式交替:
x-?Sn' m ListItemType itemType = e.Item.ItemType;
%Va!\# `.Qi?* ^ if (itemType == ListItemType.Item )
&?yZv{ {
VQS~\:1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
~"kb7Fxp e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
O2%? }
N#a$t& else if( itemType == ListItemType.AlternatingItem)
D5*q7A6 {
LB a[:j2 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
%YC_Se7 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
1BpiV-]=
}
hj.a&% bKN@j'M 添加一个编号列:
<yH4HY DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[.uG5%fa DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
K8UP,f2 %*0^0wz for(int i=0;i<dt.Rows.Count;i++)
8Y7Q+p|O {
1NgCw\ dt.Rows["number"]=(i+1).ToString();
9vvx*rD }
@3C>BLI8+ m4l&
eEp DataGrid1.DataSource=dt;
WL?\5?G9l DataGrid1.DataBind();
rcC<Zat,| 2vWx)Drb6 DataGrid1中添加一个CheckBox,页面中添加一个全选框
~2QR{; XQ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
O4V.11FnW {
KQg]0y
d foreach(DataGridItem thisitem in DataGrid1.Items)
<BMXCk {
)6D,d5< ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
:i .{ }
Wg<(ms dj }
h _+dT s)6U_ 将当前页面中DataGrid1显示的数据全部删除
Xy$3VU* foreach(DataGridItem thisitem in DataGrid1.Items)
+>{Y.`a;Jo {
pw)||Q if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
a@UZb {
vPTM string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
|w<H!lGe!$ Del (strloginid); //删除函数
2;DuHO1 }
dE4L=sTEsy }
sE Q=dcK yEhTNBa*h{ 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)
:<bB?N( #0P$M!% 在Application_Start中添加以下代码:
:?g:~+hfO Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$',K7%y AppSettings["ConnStr"].ToString();
V4'YWdTi HoRg^Ai?\ 31. 变量.ToString()
)quM4=u' A|X">,A 字符型转换 转为字符串
/7|V+6jV 12345.ToString("n"); //生成 12,345.00
Y6zbo 12345.ToString("C"); //生成 ¥12,345.00
I J( 12345.ToString("e"); //生成 1.234500e+004
8{^WY7.' 12345.ToString("f4"); //生成 12345.0000
%)/P^9I6 12345.ToString("x"); //生成 3039 (16进制)
;kS&A( 12345.ToString("p"); //生成 1,234,500.00%
~&7MkkftM 06c>$1-? 32、变量.Substring(参数1,参数2);
OHb[qX\ pgQV /6 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);
4GY[7^ Rld!,t 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)
y)W@{@{kl <SCRIPT language="javascript">
2ZG5<"DQ" <!--
[f1
(`< function gook(pws)
_lGdUt 2 {
|yQZt/*SOZ frm.submit();
C1m]*}U }
S~;4*7+?: //-->
> dI LF ZaV8qAsP </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
$m].8? <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
3L_\`Ia9 <tr>
$_o-~F2i5 <td>
K1\a#w <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
/
zB0J? <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
%yW3VL <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
vdx0i&RiL O4cr*MCb5 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
@` 1Ds <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
D6>2s\:>vp Vzdh8)Mu\ </td>
OwH81# jr /pj? </tr>
;CmS ~K: +;N2p1ZBf </form>
,9}h aI6$? wus 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。
X(]WVCu EN;}$jZ>47 下面是获取用户输入的登陆信息的代码:
(e!0]Io@ string name;
vq^f}id name=Request.QueryString["EmailName"];
aT)BR?OYSJ z(_Ss@ $ try
TZ(cu> {
Xm%D><CC8" int a=name.IndexOf("@",0,name.Length);
E9Np 0M< f_user.Value=name.Substring(0,a);
!`g~F\l f_domain.Value=name.Substring(a+1,name.Length-(a+1));
F)&@P-9+ f_pass.Value=Request.QueryString["Psw"];
5iz{op<$, }
ysxb?6 p^%YBY#,H catch
7n8~K3~; {
ryW'Z{+r' Script.Alert("错误的邮箱!");
[F0s!,P Server.Transfer("index.aspx");
h]+C.Eqnt# }