7.表格点击改变颜色
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; this.style.color=’buttontext’;this.style.cursor=’default’;");
} 写在DataGrid的_ItemDataBound里if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem){e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; this.style.color=’buttontext’;this.style.cursor=’default’;");e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");}
12.Panel 横向滚动，纵向自动扩展
＜asp:panel style="overflow-x:scroll;overflow-y:auto;"＞＜/asp:panel＞
13.回车转换成Tab
＜script language="javascript" for="document" event="onkeydown"＞ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’); event.keyCode=9;＜/script＞onkeydown="if(event.keyCode==13) event.keyCode=9"
14.DataGrid超级连接列
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="http://xx/inc/delete.aspx?ID={0}"
15.DataGrid行随鼠标变色
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e){ if (e.Item.ItemType!=ListItemType.Header)
{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\""); e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}}
24.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?
＜asp:TemplateColumn HeaderText="数量"＞ ＜ItemTemplate＞＜asp:TextBox id="ShuLiang" runat=’server’ Text=’＜%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%＞’ onkeyup="javascript:DoCal()"/＞＜asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" /＞＜/ItemTemplate＞＜/asp:TemplateColumn＞＜asp:TemplateColumn HeaderText="单价"＞ ＜ItemTemplate＞＜asp:TextBox id="DanJian" runat=’server’ Text=’＜%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%＞’ onkeyup="javascript:DoCal()"/＞＜asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" /＞＜/ItemTemplate＞＜/asp:TemplateColumn＞＜asp:TemplateColumn HeaderText="金额"＞ ＜ItemTemplate＞＜asp:TextBox id="JinE" runat=’server’ Text=’＜%# DataBinder.Eval(Container.DataItem,"DG_JinE")%＞’ /＞＜/ItemTemplate＞＜/asp:TemplateColumn＞＜script language="javascript"＞function DoCal(){ var e = event.srcElement; var row = e.parentNode.parentNode; var txts = row.all.tags("INPUT"); if (!txts.length || txts.length ＜ 3) return; var q = txts[txts.length-3].value; var p = txts[txts.length-2].value; if (isNaN(q) || isNaN(p)) return; q = parseInt(q); p = parseFloat(p); txts[txts.length-1].value = (q * p).toFixed(2);}＜/script＞
32.变量.ToString()
字符型转换 转为字符串
12345.ToString("n"); //生成 12,345.00 12345.ToString("C"); //生成 ￥12,345.00 12345.ToString("e"); //生成 1.234500e+004 12345.ToString("f4"); //生成 12345.0000 12345.ToString("x"); //生成 3039 (16进制) 12345.ToString("p"); //生成 1,234,500.00%
获得字符串实际长度（包括中文字符） //获得字符串oString的实际长度 public int StringLength(string oString) { byte[] strArray=System.Text .Encoding.Default .GetBytes (oString); int res=strArray.Length ; return res; }
//获得字符串oString的实际长度 public int StringLength(string oString) { byte[] strArray=System.Text .Encoding.Default .GetBytes (oString); int res=strArray.Length ; return res; } 42.将回车转换为TAB
//当在有keydown事件的控件上敲回车时，变为tab public void Tab(System.Web .UI.WebControls .WebControl webcontrol) { webcontrol.Attributes .Add ("onkeydown", "if(event.keyCode==13) event.keyCode=9"); }
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