1. 打开新的窗口并传送参数:
U|b)Bw<P <B'PB"R3y 传送参数:
|d,bo/: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
n(.L=VuXn \0Ba? 接收参数:
[<sN " string a = Request.QueryString("id");
TAq[g|N-; string b = Request.QueryString("id1");
g>g*1oS )2
b-3lz 2.为按钮添加对话框
So=
B cX- Button1.Attributes.Add("onclick","return confirm(’确认?’)");
$&Z<4:Flc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
j8%Y[:~D nUK;M[ 3.删除表格选定记录
?@<Tzk]a. int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
gX|\O']6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
>vXS6`; [
~kS) 4.删除表格记录警告
8tO.o\)h private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
q{+}0!o {
%r&36d' switch(e.Item.ItemType)
$W9dUR0 {
Ya-GDB;L case ListItemType.Item :
Ap 3B' case ListItemType.AlternatingItem :
|E;+j\ case ListItemType.EditItem:
0U !&|i\ TableCell myTableCell;
+|H,N7a< myTableCell = e.Item.Cells[14];
GiKhdy LinkButton myDeleteButton ;
""m/?TZq' myDeleteButton = (LinkButton)myTableCell.Controls[0];
~%h&ELSw myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
J ~KygQ3% break;
v5&W)F default:
oi8M6l break;
ge1U1o }
(hh^? AmQsay#I_ }
`6BQ6)7 Wz#ZkNO 5.点击表格行链接另一页
g`~;"%u7cn private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
etQS&YzC {
bP,Ka //点击表格打开
>qUD_U3A if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/B|"<`-H e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
CAmIwAx6; }
ff=RKKnN k5*Z@a 双击表格连接到另一页
x3F94+<n{ 7%G&=8tq 在itemDataBind事件中
u$X =2u:P if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
I}m>t}QRI_ {
YN~1.!F string OrderItemID =e.item.cells[1].Text;
uJ8FzS>[V ...
BqM[{Kv e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
=dmxE*C }
@H^\PH?pp x=X&b%09 双击表格打开新一页
r?dkE=B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
N`qGwNT%G {
16Jjf|]j string OrderItemID =e.item.cells[1].Text;
D_G]WW8 ...
gZ-:4G|J e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
0.c96& }
#B
q|^:nj G&`5o*).bb ★特别注意:【?id=】 处不能为 【?id =】
K92M9=> 6.表格超连接列传递参数
@, AB2D <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
rv<qze;?| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Kzy9i/bL KuEM~Q= 7.表格点击改变颜色
ggpa!R if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l@]Fzl {
19RbIG/X e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
b@sq}8YD|z this.style.color=’buttontext’;this.style.cursor=’default’;");
(`u+(M!^ }
.4[M-@4+] yo$A0Ti!w 写在DataGrid的_ItemDataBound里
-y[y.#o if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3>=G-AH/$K {
SpOSUpl% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%e_){28 n this.style.color=’buttontext’;this.style.cursor=’default’;");
+;Gvp=hk e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
db}lN }
&vIj(e9Y *Wcq'S aC<fzUD;
8.关于日期格式
5HTY ~&C F=f9##Y?7M 日期格式设定
)i\foSbB`V DataFormatString="{0:yyyy-MM-dd}"
SRU#Y8Xv| 1v<uA9A%[ 我觉得应该在itembound事件中
A0Q1"b= e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
J7~Kjl =$ubSfx 9.获取错误信息并到指定页面
tf1Y5P$ Mko,((>I1 不要使用Response.Redirect,而应该使用Server.Transfer
}uO2x@ }.=@^-JBA5 e.g
AJ6O>Euq // in global.asax
l1%*LyD protected void Application_Error(Object sender, EventArgs e) {
I*mBU^<9V if (Server.GetLastError() is HttpUnhandledException)
=/4}!B/ Server.Transfer("MyErrorPage.aspx");
Tb*Q4:r" 2P{! n#" //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\lyHQ-gWhc }
= N:5#A W9bpKmc 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
6)FM83zk)K pBn;:
10.清空Cookie
KqNsCT+j Cookie.Expires=[DateTime];
&yqk96z Response.Cookies("UserName").Expires = 0
e`)zR'As f9'dZ}B 11.自定义异常处理
B74]hgK //自定义异常处理类
Hl8\*#;C&> using System;
kq(]7jU$[ using System.Diagnostics;
B0gs<E u
N_< G namespace MyAppException
d ;,C[& {
=H^~"16 /// <summary>
(: mF+%( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
JqEo~]E] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
`[x'EJp# /// </summary>
B<~BX[ public class AppException:System.ApplicationException
q\~D:z$+CO {
'o7V6KG public AppException()
SV^[)p) {
P%<MQg|k` if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Ac/LNqIs }
1z@ ncqe 5rJ7CfVq public AppException(string message)
_$oE'lat {
~Q=^YZgn8 LogEvent(message);
:K!L-*>A9 }
(&/~q:a> j3>&Su>H4 public AppException(string message,Exception innerException)
8Z
0@-8vi {
R]o2_r7N"} LogEvent(message);
q-e3;$ if (innerException != null)
CZ(fP86e {
=CaSd| LogEvent(innerException.Message);
B;Co`o2 }
AQc9@3T~Bi }
:r&4/sN}< V<d`.9*} //日志记录类
'jKCAU5/0; using System;
|;YDRI using System.Configuration;
+V#dJ[,8;. using System.Diagnostics;
d2g7,axi using System.IO;
'/Xm%S using System.Text;
gNh4c{Al9 using System.Threading;
yQC8 Gt8 jW}hLjlN namespace MyEventLog
CR-2>,*a9 {
F5\{` /// <summary>
^YEMR C /// 事件日志记录类,提供事件日志记录支持
GEki34
n0 /// <remarks>
i\RB KF /// 定义了4个日志记录方法 (error, warning, info, trace)
Ul:M=8nE% /// </remarks>
&VVvZ@X; /// </summary>
Vj[,o
Vt$ public class ApplicationLog
i\{fM}~W$ {
lK#uyag /// <summary>
T lB+
tV> /// 将错误信息记录到Win2000/NT事件日志中
U^OR\=G^ /// <param name="message">需要记录的文本信息</param>
)N&95\u /// </summary>
; VQ:\fG public static void WriteError(String message)
s6I/%R3 {
) =|8%IrB WriteLog(TraceLevel.Error, message);
B>
zQ[e@t }
kO,vHg$ nB%[\LtZ? /// <summary>
}]j#C /// 将警告信息记录到Win2000/NT事件日志中
IZxr;\dq6
/// <param name="message">需要记录的文本信息</param>
\Pd>$Q /// </summary>
H7Pw>Ta ; public static void WriteWarning(String message)
Wk]E6yz6 {
/? Bu^KX WriteLog(TraceLevel.Warning, message);
A&Cs
(e }
E|=]k i6E~]&~.v /// <summary>
;.~D! /// 将提示信息记录到Win2000/NT事件日志中
[Y6ZcO/-i /// <param name="message">需要记录的文本信息</param>
gy/bA /// </summary>
IZZ
$p{ public static void WriteInfo(String message)
,*;g+[Bhpl {
~&+8m=
WriteLog(TraceLevel.Info, message);
4TaHS!9 }
szy2"~hm /// <summary>
Kp/l2?J"
/// 将跟踪信息记录到Win2000/NT事件日志中
{JW_ZJx /// <param name="message">需要记录的文本信息</param>
9NqZ&S /// </summary>
4aG}ex-s| public static void WriteTrace(String message)
sQT<I]e {
RIF*9= ,S WriteLog(TraceLevel.Verbose, message);
L>,xG.oG }
M =GF@C;b v0+$d\mP4< /// <summary>
alZ83^YN' /// 格式化记录到事件日志的文本信息格式
OF`:); /// <param name="ex">需要格式化的异常对象</param>
aOW$H:b /// <param name="catchInfo">异常信息标题字符串.</param>
0JLQ.%_ /// <retvalue>
+kOXa^K /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
)'`@rq! /// </retvalue>
+<c(;Ucl? /// </summary>
7T=:dv public static String FormatException(Exception ex, String catchInfo)
g|)yM^Vqr6 {
?;p45y~n% StringBuilder strBuilder = new StringBuilder();
V"|j Dnn5 if (catchInfo != String.Empty)
v$R7" {
mB*;> strBuilder.Append(catchInfo).Append("\r\n");
wmit>69S }
m?`$NJST strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
r7*'s return strBuilder.ToString();
_Ns_$_ }
D;X/7 p|> \xOv 9( /// <summary>
dxF)) Z /// 实际事件日志写入方法
ImI,q:[67 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
i7xBi:Si /// <param name="messageText">要记录的文本.</param>
Bet?]4\_ /// </summary>
EBplr , private static void WriteLog(TraceLevel level, String messageText)
5f#]dgBe {
DbK-3F_ try
S{qsq\X {
r1|;V~a$~ EventLogEntryType LogEntryType;
bcFZ ~B switch (level)
THnZbh4#) {
s C?-L case TraceLevel.Error:
\v([,tiW% LogEntryType = EventLogEntryType.Error;
`HsI)RmX break;
o,=dm@j case TraceLevel.Warning:
I>spJ5ls LogEntryType = EventLogEntryType.Warning;
)dI `yf break;
e}W|wJ):j@ case TraceLevel.Info:
b'G!)n LogEntryType = EventLogEntryType.Information;
x5W.
3* break;
<z-+{-?z~ case TraceLevel.Verbose:
>66v+ LogEntryType = EventLogEntryType.SuccessAudit;
@Yh%.#\i% break;
&, WQr default:
YW^sf,zQ LogEntryType = EventLogEntryType.SuccessAudit;
%ZJ;>a# break;
$U}GX'1LZ }
bF? { O.OSLezTQ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
&e1(| qax //写入事件日志
R}\n@X* eventLog.WriteEntry(messageText, LogEntryType);
z4*`K4W k54Vh=p }
1WLaJ%Fv catch {} //忽略任何异常
:%"$8o*0W }
psE&Rx3) } //class ApplicationLog
!"N-To-c }
UWq[K&vQZ
T&kr IZw 12.Panel 横向滚动,纵向自动扩展
R]Pv=fn <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
M`.v/UQn {~eVZVv 13.回车转换成Tab
%n>*jFC <script language="javascript" for="document" event="onkeydown">
L2^M#G@t if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
i 9w k) event.keyCode=9;
mEDi'!YE" </script>
l*<RKY8 I?%iJ% onkeydown="if(event.keyCode==13) event.keyCode=9"
+`Ypc ?DKwKt 14.DataGrid超级连接列
?ZT+4U00U DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
($Ck5`_MK y4~;H{! 15.DataGrid行随鼠标变色
S%k](\7! private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8zk?:?8%{ {
zsha/:b if (e.Item.ItemType!=ListItemType.Header)
p>GxSE) {
=aE!y5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
{/SLDyf%Z e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
RS[>7-9 }
m8<l2O=m }
/l$>W<}@ K
na 16.模板列
JO"-"&> <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
sc
&S0K <ITEMTEMPLATE>
fr([g?F%D <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
eU.HS78 </ITEMTEMPLATE>
q~*> </ASP:TEMPLATECOLUMN>
![4<6/2gy )
v^;"q" <ASP:TEMPLATECOLUMN headertext="选中">
qx<h rC0Z& <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\-~TW4dYe <ITEMTEMPLATE>
E]j2%}6Z% <ASP:CHECKBOX id="chkExport" runat="server" />
\dw*yZ^ </ITEMTEMPLATE>
QIZbAnn_ <EDITITEMTEMPLATE>
\1b! I)T9 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
LHJjPf)F </EDITITEMTEMPLATE>
Z 361ko} </ASP:TEMPLATECOLUMN>
{%Q&CQG_ ;UG]ckV- 后台代码
0x]WW|se* protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
3,RaM^5dV {
Erd)P //改变列的选定,实现全选或全不选。
1dahVc1W CheckBox chkExport ;
2[R{IV8e if( CheckAll.Checked)
i?1g{JW {
}qOj^pkJ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rkz_h {
V[T`I a\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S 8$kxQg chkExport.Checked = true;
QvN=<V }
W_ hckq. }
#^~[\8v> else
KM;'MlO {
7BDRA},o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?XNQ_m8f {
*iVCHQ~ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
OfSHZ;, chkExport.Checked = false;
<"Cacfg }
`$odxo+ }
G 0;5I_D/ }
R"`7aa6 wa*/Am9;~ 17.数字格式化
5??\[C^"} }- P
='AyL 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Z U^dLN-N <%#Container.DataItem("price","{0:¥#,##0.00}")%>
KixS)sG r|>a;nY int i=123456;
YYc.e T< string s=i.ToString("###,###.00");
b;XUv4~V *.]M1 18.日期格式化
6(uK5eD(!n UfUboxT 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
g-Y2U}& CZL:&~l1 显示为: 2004-8-11 19:44:28
s]z-d!G
SsE8;IGH 我只想要:2004-8-11 】
39(]UO6^; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
"\9!9U#! w[S!U<9/ 应该如何改?
8~>5k DL0i 【格式化日期】
J<4egk4 oSOO5dk:z 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
r)G^V&96 TsB"<6@!AA 【日期的验证表达式】
"/&_B |*+f N8 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2HemPth ^((\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})))?$
cnR.J
B8'e,9 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"5,tEP! ^\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]))$
(!@
Q\P mu?6Phj 【大小写转换】
boJ HttpUtility.HtmlEncode(string);
`N69xAiy HttpUtility.HtmlDecode(string)
A1A/OU<Vb %ur_DQ 19.如何设定全局变量
Z`=[hu ,r-l^I3< Global.asax中
D~i m1h;> {{WA=\N8C Application_Start()事件中
(A\p5@ht xA-u%Vf7@ 添加Application[属性名] = xxx;
Wp[R$/uT &Q85B q 就是你的全局变量
eKq`t.*Ft VQQtxHTC3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
$]Vvu{ 5zqlK-$ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
X(Wd vIi#M0@N 【ASPNETMENU】点击菜单项弹出新窗口
5ZRO{rf MifPZQ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\[Dxg`;4
<?xml version="1.0" encoding="GB2312"?>
q-g3! <MenuData ImagesBaseURL="images/">
+x3T^G <MenuGroup>
oP$l( k <MenuItem Label="内参信息" URL="Infomation.aspx" >
J4Ix\r_ <MenuGroup ID="BBC">
c<`Z[EY(t <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
YB^[HE\#y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
ptrQ~m- ......
5jTBPct Aqwjs
3 最好将你的aspnetmenu升级到1.2版
B4yC"55 *[-% .=[7 21.读取DataGrid控件TextBox值
>>ncq$ foreach(DataGrid dgi in yourDataGrid.Items)
wIv_Z^%V {
Tq r]5 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
)Bl0
W tb.Text....
G8y:f%I!b }
1q])"l"< <F=U(WWn9 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?
3=reN6Q thYG1Cs 〖思归〗
E0miX)AG <asp:TemplateColumn HeaderText="数量">
-gWqq7O <ItemTemplate>
| Vtd!9 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
m@r+M"!R onkeyup="javascript:DoCal()"
]pZxbs&Vb />
^=H. .pr RGw=!0V <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[/s^(2% </ItemTemplate>
CMm:Vea </asp:TemplateColumn>
kIb)I(n 8Rgvb3u <asp:TemplateColumn HeaderText="单价">
(o!v,=# 6{ <ItemTemplate>
],lrT0_cT <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
t(O{IUYM onkeyup="javascript:DoCal()"
{R2gz]v4 />
6/m|Sg.m (~R [K,G <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
s)=fs#% (8(7:aE$ </ItemTemplate>
Hl,.6>F? </asp:TemplateColumn>
kjo,?$r
% A/XY'3 <asp:TemplateColumn HeaderText="金额">
9!u=q5+E <ItemTemplate>
|a(%a43fC <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_&Hq`KJm </ItemTemplate>
tFY;q##z </asp:TemplateColumn><script language="javascript">
>IL[eiiPG function DoCal()
K8sgeX| {
na;U]IK var e = event.srcElement;
v&hQ;v var row = e.parentNode.parentNode;
YceX) var txts = row.all.tags("INPUT");
h}X^ if (!txts.length || txts.length < 3)
? 1OZEzA! return;
/B$9B `aj;FrF var q = txts[txts.length-3].value;
2VrO8q( var p = txts[txts.length-2].value;
J33enQd 3;wAm/Z:Q if (isNaN(q) || isNaN(p))
}r}$8M+1 return;
}tvLe3O d-=RS]j;j q = parseInt(q);
8n.sg({g p = parseFloat(p);
MeXzWLH bbDl?m&bq txts[txts.length-1].value = (q * p).toFixed(2);
GOT@ }
ax]Pa*C} </script>
WOW:$.VO^ r#ISIgJXG p;[">[" xWw Qm'I2} 7oj
^(R, 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。
G:W4<w page_load
u&q RK>wLa page.smartNavigation=true
.?L&k|wX- .eg?FB'7 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 ?
d|^cKLu private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
$\S;f"IM. {
.AIlv^:|U for(int i=0;i<e.Item.Cells.Count-1;i++)
5pF4{Jd1 if(e.Item.ItemType==ListItemType.EditType)
ze+_iQ5 {
6qW/Td|g e.Item.Cells.Attributes.Add("Width", "80px")
Md~%
e' }
0y>]68D }
YVzcV`4w( }ze,6T*z 26.对话框
cQ= "3M)~r private static string ScriptBegin = "<script language=\"JavaScript\">";
6}Se$XMl private static string ScriptEnd = "</script>";
]bjXbbHd FtaO@5pS54 public static void ConfirmMessageBox(string PageTarget,string Content)
k<1BE^[V {
HgHhc&- string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
_0~WT [(Z sQK ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
av-l_iE {s=n "*Qp) Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
s:_M+_7_ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
2~:jg1 //Response.Write(strScript);
E5-f{Qc }
4NY00d/R vx:MLmZ. 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
'z'q)vcr tY?_#rc 1.1 取当前年月日时分秒
q|*}>=NX currentTime=System.DateTime.Now;
jwm2ZJW 28 h3Ayw4 1.2 取当前年
XS$5TNI int 年= DateTime.Now.Year;
U>0' K3_ 80PlbUBb! 1.3 取当前月
9.<d S int 月= DateTime.Now.Month;
c$X0C&m yZ
{H 1.4 取当前日
Ee& A5~ int 日= DateTime.Now.Day;
/ v";u) Y,-?oBY 1.5 取当前时
Kd2?9gaw int 时= DateTime.Now.Hour;
<ejWl%4 ")J\} $r 1.6 取当前分
r?{$k3Vl int 分= DateTime.Now.Minute;
3Uzb]D~u 4)'8fi 1.7 取当前秒
2_^{Vez@I int 秒= DateTime.Now.Second;
eY3l^Su1 3|$>2IRq 1.8 取当前毫秒
1!u}~E_ int 毫秒= DateTime.Now.Millisecond;
',?9\xEB Q
o}&2m 28.自定义分页代码:
(C<~:Y?% aE[>^~Lv} 先定义变量 :
z93HTy9 public static int pageCount; //总页面数
b`x7%?Qn public static int curPageIndex=1; //当前页面
P3w]PG@ ('!{kVLT- 下一页:
:} r^sD if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
q#fj?`k {
]dZ8]I<$C DataGrid1.CurrentPageIndex += 1;
$"P9I-\m curPageIndex+=1;
x/nlIoT }
f1cQ*#2~ %s.hqr,I bind(); // DataGrid1数据绑定函数
MA\^<x_?L} '4gi*8Y 上一页:
yN*HIN if(DataGrid1.CurrentPageIndex >0)
E,6(/`0H* {
SU0K#: DataGrid1.CurrentPageIndex += 1;
2ckAJcpEb/ curPageIndex-=1;
d/Q}I[J.u }
J(BtGGU' 19 h7 M bind(); // DataGrid1数据绑定函数
A>;Q<8rh VE4Z;Dr" 直接页面跳转:
,|gX?[o int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
/O"IA4O vn n4 if(a<DataGrid1.PageCount)
_xgF?# {
;^5d^-T this.DataGrid1.CurrentPageIndex=a;
yNY *Fl! }
K6#9HF'2I 7X3<8:% bind();
N3P!<J/tc &Gp~)% 29.DataGrid使用:
x+j5vzhG) W"9?D 添加删除确认:
!V~`e9[rl private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
al/3$0#U {
{}Y QB'} foreach(DataGridItem di in this.DataGrid1.Items)
SHw%u~[hu {
>>lT-w if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
hg}Rh {
:e-&,K ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
EleK*l }
<ex,@{n4 }
1:-^* }
__U;fH{c F$kLft[: 样式交替:
TGnyN'P| ListItemType itemType = e.Item.ItemType;
#q{i<E 07 Dp:u!tdbeg if (itemType == ListItemType.Item )
=}S*]Me5 {
iz'#K?PF_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
} D5* e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Wsb=SM7; }
5oz[Njq4 else if( itemType == ListItemType.AlternatingItem)
()=u#y {
0sjw`<ic e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
zV)Ob0M7U e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
m?;aTSa }
po~l8p> +MG(YP/l 添加一个编号列:
ZyE2=w7n DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
K*uFqdLL! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
k0|*8 h:QKd!Gq for(int i=0;i<dt.Rows.Count;i++)
*uYnu|UQH {
q2VQS1R`8 dt.Rows["number"]=(i+1).ToString();
'jp nQcwxx }
n7~!klF- TGxspmY6 DataGrid1.DataSource=dt;
*wW/nr=\; DataGrid1.DataBind();
&gc8"B@V l6b3i
v, DataGrid1中添加一个CheckBox,页面中添加一个全选框
!ndc
<], private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@";z?xj {
c nAwoTt4 foreach(DataGridItem thisitem in DataGrid1.Items)
ybBLBJb {
XcJ'w ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
O@U[S.IK }
?9qA"5 }
J~z;sTR 7)zn[4v7qt 将当前页面中DataGrid1显示的数据全部删除
]Xcqf9k foreach(DataGridItem thisitem in DataGrid1.Items)
"rz|sbj {
y}jX/Ln if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Va"_.8n|+ {
M 7j0&>NTG string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
x;NCW Del (strloginid); //删除函数
KK-9[S- }
Dx/!^L02 }
pyK|zvr-r ua(y! Im 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)
&_
er_V~ *JXiOs 在Application_Start中添加以下代码:
jyF0asb Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
(;=:QjaoZ AppSettings["ConnStr"].ToString();
SJ1
1LF3) i70TJk$fs 31. 变量.ToString()
gvYib`# {t: ZMUV 字符型转换 转为字符串
C)>
])'S 12345.ToString("n"); //生成 12,345.00
gBRhO^Sz 12345.ToString("C"); //生成 ¥12,345.00
)f4D2c&VE 12345.ToString("e"); //生成 1.234500e+004
{N+N4* 12345.ToString("f4"); //生成 12345.0000
Vm]ltiTVk 12345.ToString("x"); //生成 3039 (16进制)
P>%\pCJ]) 12345.ToString("p"); //生成 1,234,500.00%
S5ka;g Xz5 aTJ& 32、变量.Substring(参数1,参数2);
gP.Q_/V
T{M~*5$ 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);
DB'pRo+U G.K3'^_ 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)
<Gzy*1Q& <SCRIPT language="javascript">
m`UNdFS <!--
Z~o*$tF/ function gook(pws)
)AOD~T4s7 {
!Y_"q^5GG' frm.submit();
iK%<0m }
tx;DMxN!W //-->
'>[KVvm ug!DL=ZW </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
BDY@&vF <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
X ^>o/U <tr>
,J?Hdy:R <td>
~uRG~,{rH <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
<by}/lF0 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
o[*</A
} <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
'2=u<a B O4FW/)gq <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
'>>
IMF <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%7BVJJp2 QZk:G+$ </td>
v=?U{{xQ MjC;)z </tr>
Ky`rf}cI> V%&t'H{ </form>
-CW&!oW /E(H`;DG 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。
~,yHE3B\G MrjET!`.jC 下面是获取用户输入的登陆信息的代码:
/zn|?Y[ string name;
PPT"?lt*& name=Request.QueryString["EmailName"];
eSXt"t I,Q"<?& try
[@[!esC {
aR.1&3fE int a=name.IndexOf("@",0,name.Length);
7\d{F)7E f_user.Value=name.Substring(0,a);
6\4ny 0 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
phSF.WC f_pass.Value=Request.QueryString["Psw"];
!mK[kXo }
>%+"-bY ]aq!@rDX catch
|E!()j= {
IXt2R~b Script.Alert("错误的邮箱!");
DR/qe0D Server.Transfer("index.aspx");
u3kK!2cdP }