WEB开发网
开发学院WEB开发ASP.NET ASP.NET2.0下含有DropDownList的GridView编辑、删... 阅读

ASP.NET2.0下含有DropDownList的GridView编辑、删除的完整例子!

 2006-07-19 17:10:24 来源:WEB开发网   
核心提示:<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" PageSize="10" Width="542px" Allow

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" PageSize="10"
             Width="542px" AllowPaging="True" AllowSorting="True"
             DataKeyNames="DB31_1,DB31_2" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" OnPageIndexChanging="GridView1_PageIndexChanging" OnRowDataBound="GridView1_RowDataBound" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" OnSorting="GridView1_Sorting" >
             <Columns>
               <asp:TemplateField HeaderText="序号">
                 <ItemTemplate>
                 <%# this.GridView1.PageIndex * this.GridView1.PageSize + this.GridView1.Rows.Count + 1%>
                 </ItemTemplate>
               </asp:TemplateField>
               <asp:TemplateField HeaderText="学历代码" SortExPRession="DB1_1">
                 <EditItemTemplate>
                   <%--<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("DB1_1") %>'></asp:TextBox>--%>
                <asp:DropDownList ID ="ddlXL" runat="server"  DataValueField='<%# Bind("DB1_1") %>'></asp:DropDownList>
                 </EditItemTemplate>
                 <ItemTemplate>
                   <asp:Label ID="Label1" runat="server" Text='<%# Bind("xueliText") %>'></asp:Label>
                 </ItemTemplate>
               </asp:TemplateField>
               <asp:TemplateField HeaderText="学历名称" SortExpression="DB1_2">
                 <EditItemTemplate>
                   <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("DB1_2") %>'></asp:TextBox>
                 </EditItemTemplate>
                 <ItemTemplate>
                   <asp:Label ID="Label2" runat="server" Text='<%# Bind("DB1_2") %>'></asp:Label>
                 </ItemTemplate>
               </asp:TemplateField>
             
             <asp:TemplateField HeaderText="操作" ShowHeader="False">
             <EditItemTemplate>
               <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" CommandName="Update"
                 Text="更新"></asp:LinkButton>
               <asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Cancel"
                 Text="取消"></asp:LinkButton>
             </EditItemTemplate>
             <ItemTemplate>
               <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Edit"
                 Text="编辑" OnClientClick="return confirm('确认要编辑吗?');"></asp:LinkButton>
            
               <asp:LinkButton ID="LinkButton3" runat="server" CausesValidation="False" CommandName="Delete"
                 Text="删除" OnClientClick="return confirm('确认要删除吗?');"></asp:LinkButton>
               <asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName="Select"
                 Text="选择"></asp:LinkButton>
             </ItemTemplate>
             </asp:TemplateField>
            </Columns>
            <AlternatingRowStyle BackColor="Aquamarine" />
           </asp:GridView>
   /// <summary>
   /// 绑定数据到GridView
   /// </summary>
   private void GridViewBind()
   {
     检索数据库
     string strSql = "SELECT * FROM DB1";
     得到数据集
     this.GridView1.DataSource=conn.GetDs(strSql).Tables[0].DefaultView;
     this.GridView1.DataBind();
 
   }
   /// <summary>
   /// 编辑当前行
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
   {
     GridView1.EditIndex = e.NewEditIndex;
     //当前编辑行背景色高亮
     this.GridView1.EditRowStyle.BackColor = Color.FromName("#F7CE90");
     GridViewBind();
   }
   /// <summary>
   /// 取消编辑状态
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
   {
     GridView1.EditIndex = -1;
     GridViewBind();
   }
   /// <summary>
   /// 删除记录过程
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
   {
     //得到单位编号
     string rowToDelete = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
     //转换为整数
     //int ID=Convert.ToInt32(rowToDelete);
     //从数据库中删除
     string str = "DELETE FROM DB1 where DB1_1=" + "'" + rowToDelete + "'" + "";
   
     try
     {
     conn.RunSql(str);
     //重新绑定数据
     GridViewBind();
     }
     catch (Exception ex)
     {
     Response.Write("数据库错误,错误原因:" + ex.Message);
     Response.End();
     }

   }
   /// <summary>
   /// 更新记录过程
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
   {
     string ID = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
     string DB1_1 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox1")).Text;
     //string DB1_2 = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox2")).Text;
     string DB1_2 = (((DropDownList))GridView1.Rows[e.RowIndex].FindControl("ddlXL")).SelectedItem.Text;
    
   //判断表单项是否有空并给出提示信息
     if (DB1_1 == "" || DB1_2 == "")
     {
       conn.Alert("请输入完整信息!", Page);
       return;
     }      
    try
    {
     conn.BuilderEdit("select * from DB1 where DB1_1 ='" + ID + "'");
     conn.dr["DB1_1"] = DB1_1;
     conn.dr["DB1_2"] = DB1_2;
     conn.BuilderEditClose();
    }
    catch (OracleException err)
    {
       if (err.Code.ToString() == "1")
         conn.Alert("错误:已存在具有相同主键的记录", Page);
       else
         conn.Alert("错误:未能添加记录", Page);
     }

   Response.Write("<script language='javascript'>alert('数据已被保存!');</script>");
     //返回浏览状态
     GridView1.EditIndex = -1;
     GridViewBind();
   }
   /// <summary>
   /// 分页事件
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
   {
     GridView1.PageIndex = e.NewPageIndex;
     GridViewBind();
   }
   /// <summary>
   /// 加入鼠标效果及为DropDownList绑定值
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
   {
     //为DropDownList绑定值
     if (((DropDownList)e.Row.FindControl("ddlXL")) != null)
     {
       DropDownList ddlXL = (DropDownList)e.Row.FindControl("ddlXL");
       ddlXL.Items.Clear();
       ddlXL.Items.Add(new ListItem("博士", "1"));
       ddlXL.Items.Add(new ListItem("硕士", "2"));
       ddlXL.Items.Add(new ListItem("学士", "3"));
     }

   //加入鼠标滑过的高亮效果
     if (e.Row.RowType == DataControlRowType.DataRow)//判定当前的行是否属于datarow类型的行
     {
       //当鼠标放上去的时候 先保存当前行的背景颜色 并给附一颜色
       e.Row.Attributes.Add("onmouSEOver", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='yellow',this.style.fontWeight='';");
       //当鼠标离开的时候 将背景颜色还原的以前的颜色
       e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';");
     }
     //单击行改变行背景颜色
     if (e.Row.RowType == DataControlRowType.DataRow)
     {
       e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#99cc00'; this.style.color='buttontext';this.style.cursor='default';");
     }
   }

Tags:ASP NET 含有

编辑录入:爽爽 [复制链接] [打 印]
赞助商链接