产品小类管理实训

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1、 实训七 产品小类管理实训目的:实训容:实训过程:1. 界面制作(smallClass.aspx页面)该页面全部静态代码如下:无标题页小类名称：所属大类：小类编号： asp:LabelID=Label1runat=serverText=asp:HiddenFieldID=HiddenField2runat=serverValue=/asp:HiddenFieldID=HiddenField1runat=serverValue=/asp:LabelID=Label1runat=serverText=asp:HiddenFieldID=HiddenField2runat=serverVa

2、lue=/2. 动态代码編写(smallclass.aspx.cx)using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebPa

3、rts;using System.Xml.Linq;publicpartialclassbigClass : System.Web.UI.PagepublicDBfunction db = newDBfunction();protectedvoid Page_Load(object sender, EventArgs e) db.isLogin();if (!IsPostBack) binddata(); db.initDropDownList(DropDownList1, select * from bigclass, bigName, bigID, null); void binddata

4、() GridView1.DataSource = db.getDataView(select * from smallClass); GridView1.DataBind(); protectedvoid Button1_Click(object sender, EventArgs e) if (Sessionquanxian != null & Sessionquanxian.ToString() != 0) ScriptManager.RegisterStartupScript(this, GetType(), , alert(对不起，您的权限不够!), true);return; el

5、se if (TextBox1.Text.Trim().Length 0 & TextBox2.Text.Trim().Length 0) if (!db.isExist(select * from smallClass where smallID= + TextBox2.Text.Trim() + and smallName= + TextBox1.Text.Trim() + and bigid= + DropDownList1.SelectedValue.ToString()+) db.sqlExecute(insert into smallClass(smallName,smallID,

6、bigID) values( + TextBox1.Text.Trim() + , + TextBox2.Text.Trim() + , + DropDownList1.SelectedValue.ToString() + ); binddata(); else ScriptManager.RegisterStartupScript(this, GetType(), , alert(小类编号或小类名称不能一样！), true); else ScriptManager.RegisterStartupScript(this, GetType(), , alert(小类名称和小类编号不能为空), t

7、rue); protectedvoid GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) TextBox tbsmallName, tbsmallID;DropDownList drpBigClass;string sqlcheck=,sqlupdate=; tbsmallID = (TextBox)GridView1.Rowse.RowIndex.Cells2.Controls0; tbsmallName = (TextBox)GridView1.Rowse.RowIndex.Cells1.Controls0; d

8、rpBigClass = (DropDownList)GridView1.Rowse.RowIndex.Cells0.FindControl(DropDownList2);if (tbsmallName.Text.Trim().Length 0 & tbsmallID.Text.Trim().Length 0) sqlcheck=select * from (select * from smallclass where id + GridView1.DataKeyse.RowIndex.Value + ) as t1 where smallid=+ tbsmallID.Text.Trim()+

9、 or smallname=+tbsmallName.Text.Trim()+;if (!db.isExist(sqlcheck) db.sqlExecute(update smallClass set smallName= + tbsmallName.Text.Trim() + ,smallID= + tbsmallID.Text.Trim() + ,bigID= + drpBigClass.SelectedValue.ToString() + where id= + GridView1.DataKeyse.RowIndex.Value); GridView1.EditIndex = -1;

10、 binddata(); else ScriptManager.RegisterStartupScript(this, GetType(), , alert(小类编号或小类名称不能一样), true);/GridView1.EditIndex = -1;/ binddata();return; else ScriptManager.RegisterStartupScript(this, GetType(), , alert(小类名称和小类编号不能为空), true); protectedvoid GridView1_RowEditing(object sender, GridViewEditE

11、ventArgs e) if (Sessionquanxian != null & Sessionquanxian.ToString() != 0) ScriptManager.RegisterStartupScript(this, GetType(), , alert(对不起，您的权限不够!), true);return; else GridView1.EditIndex = e.NewEditIndex; binddata(); protectedvoid GridView1_RowDeleting1(object sender, GridViewDeleteEventArgs e) if

12、 (Sessionquanxian != null & Sessionquanxian.ToString() != 0) ScriptManager.RegisterStartupScript(this, GetType(), , alert(对不起，您的权限不够!), true);return; else db.sqlExecute(delete from smallClass where id= + GridView1.DataKeyse.RowIndex.Value); binddata(); protectedvoid GridView1_RowCancelingEdit(object

13、 sender, GridViewCancelEditEventArgs e) GridView1.EditIndex = -1; binddata(); protectedvoid GridView1_RowDataBound(object sender, GridViewRowEventArgs e) DataRow dr;Label Lb;DropDownList ddl;HiddenField hf;if (e.Row.RowType = DataControlRowType.DataRow) e.Row.Attributes.Add(onmouseover, bg=this.styl

14、e.backgroundColor; this.style.backgroundColor=#dddddd); e.Row.Attributes.Add(onmouseout, this.style.backgroundColor=bg);if (e.Row.RowState = DataControlRowState.Alternate | e.Row.RowState = DataControlRowState.Normal) Lb = (Label)e.Row.Cells0.FindControl(Label1); hf = (HiddenField)e.Row.Cells0.FindC

15、ontrol(HiddenField2); dr = db.getDataRow(select * from bigClass where bigid= + hf.Value.ToString() + ); Lb.Text = drbigname.ToString(); if (e.Row.RowState = DataControlRowState.Edit | e.Row.RowState = (DataControlRowState.Alternate | DataControlRowState.Edit) ) ddl = (DropDownList)e.Row.Cells0.FindControl(DropDownList2); hf = (HiddenField)e.Row.Cells0.FindControl(HiddenField1); db.initDropDownList(ddl, select * from bigclass, bigname, bigID, hf.Value.ToString(); 7 / 7