1. 打开新的窗口并传送参数:
DlHt#Ob7 )YE3n-~7{ 传送参数:
ZS*PY, response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
cn62:p]5 WC6yQSnY& 接收参数:
J!40`8i string a = Request.QueryString("id");
v]UT1d=_T string b = Request.QueryString("id1");
f;AQw_{ V*X6 <} 2.为按钮添加对话框
-][~_Hd{ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
{t<E*5N]a button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
.E H&GX dux.Z9X? 3.删除表格选定记录
n7g}u int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
vS#Y,H:yAj string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
}HB>Zb5 <$6r1y*G 4.删除表格记录警告
lyY\P6
X private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
wKxw|Fpn {
gEghDO_G switch(e.Item.ItemType)
=lB+GS% {
GtR!a case ListItemType.Item :
`1}WQS case ListItemType.AlternatingItem :
d}@b 3 case ListItemType.EditItem:
;gS)o#v0 TableCell myTableCell;
0 &M~lJ myTableCell = e.Item.Cells[14];
MI^@p`s LinkButton myDeleteButton ;
_yH{LUIj myDeleteButton = (LinkButton)myTableCell.Controls[0];
t6/w({}j myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
uX82q.u_y break;
2/Xro rV default:
5`Q* break;
t zn1| }
" pg5w f4%Z~3P }
|2<y _}bs0 kIz 5.点击表格行链接另一页
JVfSmxy. private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
* {avx {
tx` Z?K[ //点击表格打开
i}u,_
} if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Dj?84y e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
-!o*A>N }
{}.M(nPtv; voX4A
pl 双击表格连接到另一页
(,nQ7,2EX !4.VK-a9V% 在itemDataBind事件中
F,dPmR if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'80mhrEutG {
`!,"">5 string OrderItemID =e.item.cells[1].Text;
8dPDs#Zl ...
!uZ)0R e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
nXU`^<nA }
GZefeBi p!oO}gE 双击表格打开新一页
()'yY^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>Hr&F
nh+ {
1U)U {i7j string OrderItemID =e.item.cells[1].Text;
YCPU84f ...
;AH8/M B9 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
d/"%fpp^0G }
8SZZ_tS3r As{Q9o5j/ ★特别注意:【?id=】 处不能为 【?id =】
et`1#_o 6.表格超连接列传递参数
ylGT9G19 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
I K9plsd* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
L`2(u!i J H*.v*ro9_ 7.表格点击改变颜色
2v$\mL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
at|.Q*&a# {
t6q7w e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
FOyANN' this.style.color=’buttontext’;this.style.cursor=’default’;");
wiFA3_\G }
p=XEMVqm Yt!o
Hn 写在DataGrid的_ItemDataBound里
UuKW`(?^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*/_$' /qV {
7+NBcZuG9 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
w,T-vf this.style.color=’buttontext’;this.style.cursor=’default’;");
`uwSxt e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
9^?2{aP% }
.DR*MQI9 9] L4`.HM $x/VO\Z{- 8.关于日期格式
$6l^::U %zKTrsMZ 日期格式设定
7VIfRN{5n DataFormatString="{0:yyyy-MM-dd}"
h
wi!C} @?n~v^ 我觉得应该在itembound事件中
NwcRH9};i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Qef5eih xeB-fy)5+ 9.获取错误信息并到指定页面
Vl^p3f[ H73 r3BH 不要使用Response.Redirect,而应该使用Server.Transfer
jX7;hQ+P wzj:PS e.g
csFLBP // in global.asax
0 wjL=]X1e protected void Application_Error(Object sender, EventArgs e) {
Eo`'6
3 if (Server.GetLastError() is HttpUnhandledException)
v8"Zru Server.Transfer("MyErrorPage.aspx");
/EW=OZ/ C14"lB. //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
P(bds }
>:bXw#w] n v
?u 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
\"a~~Koe $ba*=/{[q 10.清空Cookie
F Jp<J Cookie.Expires=[DateTime];
Z5V_?bm$ Response.Cookies("UserName").Expires = 0
}U^iVq* 'kSm}}y 11.自定义异常处理
Q 5&|1m Pb //自定义异常处理类
U6F7dT using System;
WR9-HPF using System.Diagnostics;
*`40B6dEr 2U`!0~pod namespace MyAppException
@rv)J[7Y& {
Doe:m#aNj /// <summary>
% kaV?j /// 从系统异常类ApplicationException继承的应用程序异常处理类。
7*kTu0m /// 自动将异常内容记录到Windows NT/2000的应用程序日志
$WiUoS /// </summary>
^U6VJ(58P public class AppException:System.ApplicationException
|&MOus#v {
BZa`:ah~x public AppException()
8{
+KNqz {
9JqT"zj if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
X"V)oC }
k]9y+WC2 ;v!Ef"E|cV public AppException(string message)
><C9PS@ {
6"9(ce
KX LogEvent(message);
tmQ,> }
e**5_L R_=fH\c; public AppException(string message,Exception innerException)
NE><(02qW {
kZ0z]Y LogEvent(message);
JkEITuTth if (innerException != null)
"[sr0'g: {
WQ9VcCY LogEvent(innerException.Message);
A>frf[fAW }
\D-X
_.v }
T5-Yqz Jv8VM\* //日志记录类
'(zP; using System;
y:Ag mr,S using System.Configuration;
Q?bC'147O using System.Diagnostics;
[M#(su0fv using System.IO;
I :8s 3; using System.Text;
{*"\68e using System.Threading;
;3iWV"&_A `[h&Q0Du6 namespace MyEventLog
I0N~>SpZ5 {
dpT?*qLM /// <summary>
L=5Y^f'aU /// 事件日志记录类,提供事件日志记录支持
K."W/A! /// <remarks>
S
rhBU6K /// 定义了4个日志记录方法 (error, warning, info, trace)
lpjby[S /// </remarks>
4YXp,U /// </summary>
h(i_'P? public class ApplicationLog
B}@CtVWFz {
_z\qtl~3 /// <summary>
@o&UF-=MW( /// 将错误信息记录到Win2000/NT事件日志中
1I%niQv5t /// <param name="message">需要记录的文本信息</param>
\1eWI /// </summary>
w6ck wn, public static void WriteError(String message)
55Xfu/hQ {
)>N=B 2P WriteLog(TraceLevel.Error, message);
(S_1C, }
IH"_6s#$& u~!Pzz3" /// <summary>
!>WW(n07Ma /// 将警告信息记录到Win2000/NT事件日志中
D7Ds*X`!l /// <param name="message">需要记录的文本信息</param>
P)[QC /// </summary>
[7l5p(= public static void WriteWarning(String message)
1i#U& {
Gw#z:gX2 WriteLog(TraceLevel.Warning, message);
!
QKec }
(\4YBaGd 0IQ|`C. /// <summary>
p3B_NsXVZ /// 将提示信息记录到Win2000/NT事件日志中
SJlL!<i$ /// <param name="message">需要记录的文本信息</param>
-3SRGr /// </summary>
,w,)n^ public static void WriteInfo(String message)
\,G19o}`Es {
b(A;mt#N WriteLog(TraceLevel.Info, message);
7'7o^>
! }
7U-?Rd /// <summary>
w69G6G( /// 将跟踪信息记录到Win2000/NT事件日志中
.p'\@@o5 /// <param name="message">需要记录的文本信息</param>
{sUc2vR /// </summary>
5 HN,y public static void WriteTrace(String message)
f.RwV+lq {
CWkAc5 WriteLog(TraceLevel.Verbose, message);
$oIGlKc:L }
9$^v*!<z\ ?xt${?KP /// <summary>
RohD.`D /// 格式化记录到事件日志的文本信息格式
OKCX>'j:S /// <param name="ex">需要格式化的异常对象</param>
C7!=LiK} /// <param name="catchInfo">异常信息标题字符串.</param>
~{D:vj4> /// <retvalue>
mZ.E;X& ,* /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
X'5+)dj /// </retvalue>
PU%WpI.w /// </summary>
}9?fb[] public static String FormatException(Exception ex, String catchInfo)
eD N%p {
^Y^5 @x= StringBuilder strBuilder = new StringBuilder();
u
&{|f if (catchInfo != String.Empty)
`(L<Q% {
yF1^/y!@ strBuilder.Append(catchInfo).Append("\r\n");
7P DD }
L\^H#:?t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
5G#K)s(QC return strBuilder.ToString();
5O"wPsl }
Mp^U)S+ |9
4xRC /// <summary>
4\Cb4jq%/ /// 实际事件日志写入方法
R(HW0@R@w /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
V__n9L/t /// <param name="messageText">要记录的文本.</param>
=Y5*J# /// </summary>
m} nA-* private static void WriteLog(TraceLevel level, String messageText)
B'D4]EB {
G$
Ii try
z(beT e {
}u'O<d~z? EventLogEntryType LogEntryType;
e7gWz~ switch (level)
JOx""R8T5 {
A\<WnG>xjP case TraceLevel.Error:
S?m4 LogEntryType = EventLogEntryType.Error;
_xXDvBU break;
U_e e3KKA case TraceLevel.Warning:
Dz&<6#L< LogEntryType = EventLogEntryType.Warning;
,_yf5 a break;
z/7"! case TraceLevel.Info:
"a>a
"Ei LogEntryType = EventLogEntryType.Information;
x20sB break;
]ipltR7k case TraceLevel.Verbose:
`!g
XA.9Uv LogEntryType = EventLogEntryType.SuccessAudit;
qbdv break;
pmi`Er default:
4kQL\Ld#E% LogEntryType = EventLogEntryType.SuccessAudit;
XWFuAE break;
+Pm}_"GU }
`'<&<P NYZI;P1DA EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
dKTUW<C //写入事件日志
@y`7csbp eventLog.WriteEntry(messageText, LogEntryType);
6995r% xo*[
g`N }
)*3sE1 catch {} //忽略任何异常
We,~P\g }
z|>f*Z } //class ApplicationLog
k`Ifd:V.y }
&\o!-EIK8 O}_Z"y 12.Panel 横向滚动,纵向自动扩展
Cdd
+I5~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@VcSK` !ZlNPPrq} 13.回车转换成Tab
.% EEly <script language="javascript" for="document" event="onkeydown">
ZX!u\O|w if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
hgi9%>oUB event.keyCode=9;
j8gi/07l </script>
0UT2sM$ Qf]ACN onkeydown="if(event.keyCode==13) event.keyCode=9"
gRdg3qvU 675x/0}GO 14.DataGrid超级连接列
x?| DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\
>(;t#> o$DJL11E 15.DataGrid行随鼠标变色
MM%c private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
?(CMm%(8 {
.v:K`y;f\( if (e.Item.ItemType!=ListItemType.Header)
URD<KIN> {
Zj8aD-1]U^ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
0BTLIV$d; e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
]n:)W.|`R }
yegTKoY }
TBYRY)~f fw1 g;;E 16.模板列
VJeN
m3WNb <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
nP >*0Fq <ITEMTEMPLATE>
&~7b-foCq <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
]='E&=nc </ITEMTEMPLATE>
V/G'{ q </ASP:TEMPLATECOLUMN>
*tda_B
2 @u2nG:FG <ASP:TEMPLATECOLUMN headertext="选中">
|0mVK` <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
8vcV-+x <ITEMTEMPLATE>
\}e1\MiZ <ASP:CHECKBOX id="chkExport" runat="server" />
\5_7!. </ITEMTEMPLATE>
ymBevL <EDITITEMTEMPLATE>
0VB~4NNR <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
p|M 8ww </EDITITEMTEMPLATE>
,]'?Gd </ASP:TEMPLATECOLUMN>
98os4}r v&B*InR?+ 后台代码
5Qik{cWxBq protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
NVMhbpX6 {
DT@6Q. //改变列的选定,实现全选或全不选。
?1(' s0s\, CheckBox chkExport ;
8 JUUK(&Z if( CheckAll.Checked)
[2!K 6 {
8eSIY17 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
,"u-V<>6O {
r c7"sIkV chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
HhaUC?JtSK chkExport.Checked = true;
xh\{ dUPA }
!0~$u3[b }
RTNUHz;{L else
2hRaYX,g {
|.Bb Pfe8f foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
s45Y8!c {
g`!:7|&,_ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
D!~-53f@ chkExport.Checked = false;
~: f9, }
_Va!Ky
=] }
M? oK@i }
Cd#>,,\z
S ;x;FU 17.数字格式化
})|+tZ 8Z!+1b 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
3Bz0B a <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-tSWYp{ DA@YjebP' int i=123456;
Gv}*Tw$ string s=i.ToString("###,###.00");
+n]U3b . oUaq|O 18.日期格式化
](vshgp2 jBV2].. 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
,ORZtj Rv6{'\: 显示为: 2004-8-11 19:44:28
d^IOB|6Q k=O2s'F` 我只想要:2004-8-11 】
9/RbfV[) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
I -i)D 'N],d&fu^^ 应该如何改?
hNXPm~OK\ j[yGfDb 【格式化日期】
:*e0Z2= Ix%h/=I 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
TdP_L/>|J 'z2}qJJ) 【日期的验证表达式】
l0g#&V-- =eSG7QfS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
"TKf"zc ^((\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})))?$
V{fYMgv cU5x8[2 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
L*9^-, ^\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]))$
O: sjf?z (^Xp\dyZL 【大小写转换】
f
5_n2 HttpUtility.HtmlEncode(string);
5B
.+>u"e HttpUtility.HtmlDecode(string)
7[QU
*1bk XZA3TZ 19.如何设定全局变量
Xd66"k\b+ -[v:1\Vv Global.asax中
=R!=uml( q~r)B} Application_Start()事件中
1^R @X ^DVr>u 添加Application[属性名] = xxx;
s'ntf ?};}#%971 就是你的全局变量
\*!?\Ko`W
SMk{159q& 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
J& +s t
qbS!r HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
,m!j2H}8 (zBa2Vmmv 【ASPNETMENU】点击菜单项弹出新窗口
$.cNY+ k a|32Pn 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
UMo=bs <?xml version="1.0" encoding="GB2312"?>
k _hiGg <MenuData ImagesBaseURL="images/">
lKI1bs]i <MenuGroup>
*(s+u~, I <MenuItem Label="内参信息" URL="Infomation.aspx" >
d37l/I <MenuGroup ID="BBC">
_+%-WFS| <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Us M|OH5k <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
BkJV{>?_+ ......
,$mnD@) S3:Pjz}t 最好将你的aspnetmenu升级到1.2版
4
Yc9Ij "}Ch2K 21.读取DataGrid控件TextBox值
@W=#gRqQPy foreach(DataGrid dgi in yourDataGrid.Items)
e1S |&W8 {
A"\kdxC TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
85m[^WGyh tb.Text....
[E2afC>zrl }
q*Yh_IT.I q+3Z3v 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?
D.j'n-yw g[44YrRD 〖思归〗
K/+5$SjF <asp:TemplateColumn HeaderText="数量">
~LuZpV <ItemTemplate>
wS <d8gw <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
@YMef`T: onkeyup="javascript:DoCal()"
utQE$0F />
ly}6zOC\ yd`xmc) <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
._~_OVU </ItemTemplate>
26yv w </asp:TemplateColumn>
234OJ? F5gL-\6 <asp:TemplateColumn HeaderText="单价">
V
z8o <ItemTemplate>
2+TCFpv <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
>,y291p2 onkeyup="javascript:DoCal()"
]=2Ba<)m />
_jR%o1Y} ?&_ -,\t <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\ZigG{ rm;'/l8Y-E </ItemTemplate>
IwKhun </asp:TemplateColumn>
gtyo~f GX&BUP\ <asp:TemplateColumn HeaderText="金额">
(8qMF{ <ItemTemplate>
kTAb
< <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~_QZiuq& </ItemTemplate>
75r>~@)* </asp:TemplateColumn><script language="javascript">
?5Wj y function DoCal()
tlV> {
tU>wRw=d var e = event.srcElement;
&vLz{ var row = e.parentNode.parentNode;
Lz2wOB1Zc+ var txts = row.all.tags("INPUT");
.|JJyjRA+ if (!txts.length || txts.length < 3)
P\tP0+at return;
U,LW(wueT iN"kv var q = txts[txts.length-3].value;
Uy5IvG;O+ var p = txts[txts.length-2].value;
aA-A>z Yewn if (isNaN(q) || isNaN(p))
6B)(kPW return;
zu5'Ex`gQa 4[
M!x q = parseInt(q);
}tF/ca:XPQ p = parseFloat(p);
gYA|JFi +J}
wYind txts[txts.length-1].value = (q * p).toFixed(2);
^I~2t|} }
h=.|!u </script>
7cr@;%# KiT>W~ ;gYW!rM C<?}?hhb ~YA*
RCe 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
/1F%w8Iqh page_load
X|q&0W= page.smartNavigation=true
T1m"1Q U":hJ*F) 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
f_}/JF
private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]|it&4l {
:tp2@*]9Z for(int i=0;i<e.Item.Cells.Count-1;i++)
:6S!1roi if(e.Item.ItemType==ListItemType.EditType)
svCD&~|K# {
6v(}<2~ e.Item.Cells.Attributes.Add("Width", "80px")
KtchKpv }
[9(tIb!x }
jl;_lcO
n1m[7s.[& 26.对话框
n$
$^(-g@) private static string ScriptBegin = "<script language=\"JavaScript\">";
seC]=UJh#> private static string ScriptEnd = "</script>";
au@ LQxKQ k__i Jsk public static void ConfirmMessageBox(string PageTarget,string Content)
=.(yOUI {
G#gUd'=M string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
-G e5gQ= $m,gQV~4 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
)uC],CbW{ !O6e,l Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
nDuf<mw ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
NUbw]Y90~ //Response.Write(strScript);
_*7h1[,{f }
9] fhH ZQXv-" 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Tm(XM< $}V<Um 1.1 取当前年月日时分秒
4e~^G currentTime=System.DateTime.Now;
eQu%TZ(x-$ [Oen{c9A 1.2 取当前年
"RMBV}<T int 年= DateTime.Now.Year;
jWJq[l 0D/u`- 1.3 取当前月
5b45u 6 int 月= DateTime.Now.Month;
|z\5Ik!fF] W t4ROj
1.4 取当前日
v,y nz'>) int 日= DateTime.Now.Day;
x;)bp7 <_$]!Z6UR 1.5 取当前时
sd9$4k" int 时= DateTime.Now.Hour;
d~F`q7F'?] Z:DEET!c'k 1.6 取当前分
>}Qj|05G int 分= DateTime.Now.Minute;
+^ a9i5 :xJ]#
t.. 1.7 取当前秒
aSdh5? int 秒= DateTime.Now.Second;
EBlfwFd .Uq?SmK 1.8 取当前毫秒
59mNb:< int 毫秒= DateTime.Now.Millisecond;
7K.&zn j[l6&eX 28.自定义分页代码:
KiYO,nD;\ 28FC@&'H 先定义变量 :
E}AOtY5a public static int pageCount; //总页面数
N`XJA-DE public static int curPageIndex=1; //当前页面
Atsi}zTR\ ?PVJeFH 下一页:
!$Aijd s5 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
ie|I*;# {
arJ4^ d DataGrid1.CurrentPageIndex += 1;
uw! curPageIndex+=1;
i; Cs,Esnf }
{6{y"8 KiW4>@tY bind(); // DataGrid1数据绑定函数
,K9\;{C :K.%^ag=j 上一页:
f0p+l-iEv if(DataGrid1.CurrentPageIndex >0)
w}+#w8hu {
<i{O\K]9 DataGrid1.CurrentPageIndex += 1;
*uHL'Pe;m curPageIndex-=1;
dv=y,q@W }
7pMl:\ y_O [r1MF bind(); // DataGrid1数据绑定函数
^kZfE"iE2 U
|I>CDp 直接页面跳转:
j.FA!4L int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
r_C|gfIP [-o`^; if(a<DataGrid1.PageCount)
piYv}4;:( {
5\93-e this.DataGrid1.CurrentPageIndex=a;
V.zKjoky@ }
b`"E(S / X-1<YG bind();
MuNM)pyxp r@C2zF7 29.DataGrid使用:
#oRm-yDr kwxb~~S}h( 添加删除确认:
Y `4AML private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1d/-SxhZ {
i`[5%6\"& foreach(DataGridItem di in this.DataGrid1.Items)
:g)0-gN {
VBc[(8o if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
*hVbjI$ {
pR_cI]{=SA ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
)|;*[S4 }
\zj _6Os }
5G .Fi21
b }
F) w.q
.G}E 样式交替:
*M5: \+ ListItemType itemType = e.Item.ItemType;
eXJt9olI m87,N~DP if (itemType == ListItemType.Item )
q6A!xQs< {
1I({2@C e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
_XT]," e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
.C^1.) }
6OYXcPW' else if( itemType == ListItemType.AlternatingItem)
)"?6Es SF {
kp3(/`xP e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
36>pa e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
n}== }
6BIP;, M= 'Cy^G; 添加一个编号列:
>Gbj1>C} DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
dz/'
m7 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
U3r[ysf *8}Y0V\s for(int i=0;i<dt.Rows.Count;i++)
+|.}oL^}G {
7q bGA K dt.Rows["number"]=(i+1).ToString();
4R!A.N 9 }
jvx9b([<sG 3/IQ]8g" DataGrid1.DataSource=dt;
8r[ZGUV DataGrid1.DataBind();
wu?ahNb.`Y `-zdjc d DataGrid1中添加一个CheckBox,页面中添加一个全选框
c>fLSf private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
KDwz!:ye {
.0]4@' foreach(DataGridItem thisitem in DataGrid1.Items)
qGMM3a)Q {
MWf ]U ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
j0J}d _ }
&pwSd }
_3$@s{k-TI \~xI#S@ 将当前页面中DataGrid1显示的数据全部删除
L'{;V\d foreach(DataGridItem thisitem in DataGrid1.Items)
<*L=u ; {
EM/NT/ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
~XGO^P"? {
1lyJ;6i6L string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
&d`T~fl| Del (strloginid); //删除函数
4X7y}F.J }
R`=3lY; }
d7N;Fa3yL M ,V+bt 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
.d`+#1Ot( ~^/zCPy[w 在Application_Start中添加以下代码:
D^Dm, - Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
\V@SCA' AppSettings["ConnStr"].ToString();
rUfW0 ];Whvdnv 31. 变量.ToString()
PpMZ-f@ 1A^iUC5) 字符型转换 转为字符串
&_FNDJ>MCk 12345.ToString("n"); //生成 12,345.00
/^96| 12345.ToString("C"); //生成 ¥12,345.00
Cus=UzL 12345.ToString("e"); //生成 1.234500e+004
=/=x"q+X 12345.ToString("f4"); //生成 12345.0000
k*|dX.C: 12345.ToString("x"); //生成 3039 (16进制)
T#Pz_
hAu 12345.ToString("p"); //生成 1,234,500.00%
Cw?AP6f% }@yvw*c 32、变量.Substring(参数1,参数2);
4W8rb'B!Ay 992;~lBu 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
^)N[x''a )6)|PzMQ' 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
lEi,duS) <SCRIPT language="javascript">
O<4i)Lx2 <!--
UCYhaD@sP function gook(pws)
mFayU w {
N>`+{ frm.submit();
YVVX7hB }
g$VcT\X //-->
[rqe;00] Y~1}B_ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
:b>Z|7g ? <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
6A M,1 <tr>
~J2-B2S! <td>
#%VprcEK <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
yb/<
7 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
<mHptgd, <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
X@ +:O-$ B%6bk. <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
]SrKe-*:U <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
(Wr;:3i Wy#`*h, </td>
6bnAVTL5 0 w\X </tr>
iM2
EEC .Q"3[ </form>
5!#"8|oY <0P`ct0,i 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。
M)Rp+uQ cYx=8~- 下面是获取用户输入的登陆信息的代码:
xmKa8']x string name;
/iif@5lw{ name=Request.QueryString["EmailName"];
7qE V5! X2@mQ&n try
N(Y9FD;H {
s
cR-|GuZ int a=name.IndexOf("@",0,name.Length);
w%S<N f_user.Value=name.Substring(0,a);
4:r^6m%% f_domain.Value=name.Substring(a+1,name.Length-(a+1));
S
!c/"~X+ f_pass.Value=Request.QueryString["Psw"];
?f']*pD8 }
z+" :,# W/oRt<:E catch
`m<="No {
&Wd,l$P<O Script.Alert("错误的邮箱!");
:Tuy]]k Server.Transfer("index.aspx");
XyS#6D }