使用asp.net c#从listview中的选定项获取值

时间:2014-11-15 20:58:39

标签: c# asp.net listview listviewitem fullrowselect

我尝试了很多不同的方法,将列表视图中的值显示到文本框中,或者只是将它存储在会话中并稍后使用,但它都不起作用。

我能够使它适用于GridView,但我无法让它适用于ListView。

我们的想法是获取所选用户的ID(在gridview中)和所选俱乐部的ID(在列表视图中)

从所选行获取并存储两个id之后,我可以将俱乐部添加到另一个用户。

假设我有桌子俱乐部,其中有项目:(4列,1行)

ID:1 俱乐部名称:洛杉矶湖人队 城市:洛杉矶 州:加利福尼亚州

当我按下第一行时,它应以不同的颜色突出显示,然后将ID存储到会话或文本框。真的不重要,因为我稍后会做出决定。但你能帮我拿到身份证吗?

这是源代码

<asp:ListView ID="ListView1" runat="server" DataKeyNames="KlubID" DataSourceID="SqlDataSource1" OnSelectedIndexChanged="ListView1_SelectedIndexChanged" style="margin-right: 324px" OnRowCreated="GridView1_RowCreated">
        <AlternatingItemTemplate>
            <tr style="background-color:#FFF8DC;">
                <td>
                    <asp:Label ID="KlubIDLabel" runat="server" Text='<%# Eval("KlubID") %>' />
                </td>
                <td>
                    <asp:Label ID="ImeKlubaLabel" runat="server" Text='<%# Eval("ImeKluba") %>' />
                </td>
                <td>
                    <asp:Label ID="KrajLabel" runat="server" Text='<%# Eval("Kraj") %>' />
                </td>
                <td>
                    <asp:Label ID="DrzavaLabel" runat="server" Text='<%# Eval("Drzava") %>' />
                </td>
                <td>
                    <asp:Label ID="MenedzerLabel" runat="server" Text='<%# Eval("Menedzer") %>' />
                </td>
            </tr>
        </AlternatingItemTemplate>
        <EditItemTemplate>
            <tr style="background-color:#008A8C;color: #FFFFFF;">
                <td>
                    <asp:Button ID="UpdateButton" runat="server" CommandName="Update" Text="Update" />
                    <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="Cancel" />
                </td>
                <td>
                    <asp:Label ID="KlubIDLabel1" runat="server" Text='<%# Eval("KlubID") %>' />
                </td>
                <td>
                    <asp:TextBox ID="ImeKlubaTextBox" runat="server" Text='<%# Bind("ImeKluba") %>' />
                </td>
                <td>
                    <asp:TextBox ID="KrajTextBox" runat="server" Text='<%# Bind("Kraj") %>' />
                </td>
                <td>
                    <asp:TextBox ID="DrzavaTextBox" runat="server" Text='<%# Bind("Drzava") %>' />
                </td>
                <td>
                    <asp:TextBox ID="MenedzerTextBox" runat="server" Text='<%# Bind("Menedzer") %>' />
                </td>
            </tr>
        </EditItemTemplate>
        <EmptyDataTemplate>
            <table runat="server" style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;">
                <tr>
                    <td>No data was returned.</td>
                </tr>
            </table>
        </EmptyDataTemplate>
        <InsertItemTemplate>
            <tr style="">
                <td>
                    <asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="Insert" />
                    <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="Clear" />
                </td>
                <td>&nbsp;</td>
                <td>
                    <asp:TextBox ID="ImeKlubaTextBox" runat="server" Text='<%# Bind("ImeKluba") %>' />
                </td>
                <td>
                    <asp:TextBox ID="KrajTextBox" runat="server" Text='<%# Bind("Kraj") %>' />
                </td>
                <td>
                    <asp:TextBox ID="DrzavaTextBox" runat="server" Text='<%# Bind("Drzava") %>' />
                </td>
                <td>
                    <asp:TextBox ID="MenedzerTextBox" runat="server" Text='<%# Bind("Menedzer") %>' />
                </td>
            </tr>
        </InsertItemTemplate>
        <ItemTemplate>
            <tr style="background-color:#DCDCDC;color: #000000;">
                <td>
                    <asp:Label ID="KlubIDLabel" runat="server" Text='<%# Eval("KlubID") %>' />
                </td>
                <td>
                    <asp:Label ID="ImeKlubaLabel" runat="server" Text='<%# Eval("ImeKluba") %>' />
                </td>
                <td>
                    <asp:Label ID="KrajLabel" runat="server" Text='<%# Eval("Kraj") %>' />
                </td>
                <td>
                    <asp:Label ID="DrzavaLabel" runat="server" Text='<%# Eval("Drzava") %>' />
                </td>
                <td>
                    <asp:Label ID="MenedzerLabel" runat="server" Text='<%# Eval("Menedzer") %>' />
                </td>
            </tr>
        </ItemTemplate>
        <LayoutTemplate>
            <table runat="server">
                <tr runat="server">
                    <td runat="server">
                        <table id="itemPlaceholderContainer" runat="server" border="1" style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;font-family: Verdana, Arial, Helvetica, sans-serif;">
                            <tr runat="server" style="background-color:#DCDCDC;color: #000000;">
                                <th runat="server">KlubID</th>
                                <th runat="server">ImeKluba</th>
                                <th runat="server">Kraj</th>
                                <th runat="server">Drzava</th>
                                <th runat="server">Menedzer</th>
                            </tr>
                            <tr id="itemPlaceholder" runat="server">
                            </tr>
                        </table>
                    </td>
                </tr>
                <tr runat="server">
                    <td runat="server" style="text-align: center;background-color: #CCCCCC;font-family: Verdana, Arial, Helvetica, sans-serif;color: #000000;">
                        <asp:DataPager ID="DataPager1" runat="server">
                            <Fields>
                                <asp:NextPreviousPagerField ButtonType="Button" ShowFirstPageButton="True" ShowLastPageButton="True" />
                            </Fields>
                        </asp:DataPager>
                    </td>
                </tr>
            </table>
        </LayoutTemplate>
        <SelectedItemTemplate>
            <tr style="background-color:#008A8C;font-weight: bold;color: #FFFFFF;">
                <td>
                    <asp:Label ID="KlubIDLabel" runat="server" Text='<%# Eval("KlubID") %>' />
                </td>
                <td>
                    <asp:Label ID="ImeKlubaLabel" runat="server" Text='<%# Eval("ImeKluba") %>' />
                </td>
                <td>
                    <asp:Label ID="KrajLabel" runat="server" Text='<%# Eval("Kraj") %>' />
                </td>
                <td>
                    <asp:Label ID="DrzavaLabel" runat="server" Text='<%# Eval("Drzava") %>' />
                </td>
                <td>
                    <asp:Label ID="MenedzerLabel" runat="server" Text='<%# Eval("Menedzer") %>' />
                </td>
            </tr>
        </SelectedItemTemplate>
    </asp:ListView>

这是代码 - 我最新的,不起作用

protected void GridView1_RowCreated(object sender, System.Web.UI.WebControls.ListViewCommandEventArgs e)
{
    ListViewDataItem item1 = e.Item as ListViewDataItem;
    int findMe = item1.DisplayIndex;

    var route = (Label)item1.FindControl("ID");
    TextBox1.Text = route.Text;
} 

感谢您的任何意见,谢谢!

PS,是否有可能存储两个存储不同数据的GRIDVIEW?

我之前尝试过这个,但每当我在第二个gridview中选择项目时,第一个gridview中的项目就会被选中。

3 个答案:

答案 0 :(得分:2)

无需将其转换为webControl ::

    ListViewItem item = ListView1.Items[ListView1.SelectedIndex];  
    Label c = (Label)item.FindControl("here type the lable id!!");

    //then use
   string result=c.text;// you get the value or the text of the Label ,,

答案 1 :(得分:0)

我知道这已经很老了..进行其他任何搜索

    protected void LinkButton1_Click(object sender, EventArgs e)
    {
       ListViewItem Item = ((LinkButton)sender).NamingContainer as 
        ListViewItem;

        if (Item != null)
        {
            //for DataKeys
            int Klub_ID = (int)ListView1.DataKeys[Item.DataItemIndex] 
            ["KlubID"];

            //for any labl in your ListView
            Label lblImeKlubaLabel = 
             (Label)Item.FindControl("ImeKlubaLabel");
            Session["Duration"] = lblImeKlubaLabel.Text;


        }
     }

答案 2 :(得分:-1)

这是GRidView Events的处理程序而不是listView Events

  

GridView1_RowCreated()

其实我和你有同样的问题, 我找到了一种获取所选原始内容的方法,

     int id  =(int) ListView1.SelectedDataKey.Value;
// if the Id is
// the datakey which i think the  primary key""

如果你想获得所选listView raw ::

中不同列的数据
             ListViewItem item = ListView1.Items[ListView1.SelectedIndex];         

             WebControl c = (WebControl)item.FindControl("here type the lable id!!");
             Label la = (Label)c;//to get the text of the label by using c.Text;

因为我是初学者,我转换了两次,当然会有更好的方法&lt;&lt;但如果没有专家回答该怎么办