1. 打开新的窗口并传送参数: JJnZbJti
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传送参数: 8s4y7%,|
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Nxu10
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接收参数: *yuw8
string a = Request.QueryString("id"); +$ )C KC
string b = Request.QueryString("id1"); B|IQ/g?
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2.为按钮添加对话框 (89NK]2x
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); o7feH 6Sh
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") (}Ql#q
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3.删除表格选定记录 t)o #!)|
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; (/&IBd-
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() JM{S49Lx
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4.删除表格记录警告 #@,39!;,:O
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) 28[dTsd%
{ 29"eu#-Qj
switch(e.Item.ItemType) 6 ^X$;
{ Q6y883>9
case ListItemType.Item : c7j^OP
case ListItemType.AlternatingItem : BoB2q(
case ListItemType.EditItem: D[)")xiG
TableCell myTableCell; &*
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myTableCell = e.Item.Cells[14]; }>JFO:v&
LinkButton myDeleteButton ; @GGzah#
myDeleteButton = (LinkButton)myTableCell.Controls[0]; a1p:~;f}[
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); DBl.bgf
break; 0fvQPs!O
default: 7z
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break; 'sJ=h0d_[V
} <^,w,A
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} n4%|F'ma
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5.点击表格行链接另一页 BRP9j
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private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) p6[a"~y
{ bz_Zk
//点击表格打开 R@``MC0
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ?;.j)
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); V *=To
} *b?C%a9
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双击表格连接到另一页 KQ3]'2q
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在itemDataBind事件中 @v9PI/c
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) ]GYO`,
{ cA"',N8!5
string OrderItemID =e.item.cells[1].Text; kZ+nL)YQ#
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); PY:
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} "U34D1I)#
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双击表格打开新一页 ;C%40;Q
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 59";{"sw
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string OrderItemID =e.item.cells[1].Text; SU"-%}~O#,
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e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); [7?K9r\#
} buGW+TrWY
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★特别注意:【?id=】 处不能为 【?id =】 w[z^B&
6.表格超连接列传递参数 gZgb-$b
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ `G\uTC pk
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> :W,6zv(..u
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7.表格点击改变颜色 {*H&NI
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) Pze$QBNoRd
{ \t'(&taX<
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; IpY R
this.style.color=’buttontext’;this.style.cursor=’default’;"); g^(wZ$NH
} cTmoz.0
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写在DataGrid的_ItemDataBound里 Nm%&xm
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) |@={:gRJ{x
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e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 6%NX|4_
this.style.color=’buttontext’;this.style.cursor=’default’;"); >`p`^:
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); )JE;#m0q
} aksyr$d0V<
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8.关于日期格式 jcQ{,9
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日期格式设定 9g+/^j^>?f
DataFormatString="{0:yyyy-MM-dd}" _{&znXf>?6
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我觉得应该在itembound事件中 -;'8#"{`^
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) QJp
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9.获取错误信息并到指定页面 ?:Y{c#w>
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不要使用Response.Redirect,而应该使用Server.Transfer zJ7vAL
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// in global.asax zu<b#W v
protected void Application_Error(Object sender, EventArgs e) { EtJyI&7VK
if (Server.GetLastError() is HttpUnhandledException) *7.!"rb8A
Server.Transfer("MyErrorPage.aspx"); Gvv~P3Dm
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) }kI-UEn$EP
} "JAYTatO7H
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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 "T@9]>6.f
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10.清空Cookie qyv9]Q1
Cookie.Expires=[DateTime]; %d*k3f
}
Response.Cookies("UserName").Expires = 0 mq$'\c
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11.自定义异常处理 t>f<4~%MJ
//自定义异常处理类 Ojq>4=Z\
using System; G!k&'{2
using System.Diagnostics; vb)Z&V6(
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namespace MyAppException EP&