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[英]How to get clicked hyperlink row adjacent cell value from GridView in ASP.NET C#
[英]Retrieve a value of a row when clicked hyperlink field of that row in a gridview in asp.net using c#
我正在建立一個旅游網站。 但是我遇到了一個問題。 我有一個DropDownList
及其下面的GridView
。 一旦在DropDownList
選擇一個值,就會顯示GridView
中的各個值。 我已經在文件后面的代碼中將GridView
的列轉換為HyperLink
。 每個HyperLink
導航到一個不同的URL。
標記頁面:
選擇目的地:
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
<asp:ListItem>Make a selection</asp:ListItem>
<asp:ListItem Value="1">jaipur</asp:ListItem>
<asp:ListItem Value="2">manali</asp:ListItem>
</asp:DropDownList>
<br />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="package_id" DataSourceID="SqlDataSource1" OnRowDataBound="GridView1_RowDataBound1" OnSelectedIndexChanged="GridView1_SelectedIndexChanged1" AutoGenerateSelectButton="false">
<Columns>
<asp:BoundField DataField="Title_of_package" HeaderText="Title_of_package" SortExpression="Title_of_package" />
<asp:BoundField DataField="No_of_Days" HeaderText="No_of_Days" SortExpression="No_of_Days" />
<asp:BoundField DataField="Details" HeaderText="Details" SortExpression="Details" />
<asp:BoundField DataField="package_id" HeaderText="package_id" ReadOnly="True" SortExpression="package_id" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:registrationConnectionString %>" SelectCommand="SELECT [Title_of_package], [No_of_Days], [Details], [package_id] FROM [User_choice] WHERE ([Id_of_place] = @Id_of_place)">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList1" Name="Id_of_place" PropertyName="SelectedValue" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
C#中文件背后的代碼:
protected void GridView1_RowDataBound1(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
// Get the value in the hyperlink column.
string HyperLinkValue = e.Row.Cells[2].Text;
if (e.Row.Cells[3].Text == "100")
{
HyperLink myLink = new HyperLink();
myLink.NavigateUrl = "~/afterlogin/ChokiDhaniVisit.aspx";
myLink.Text = HyperLinkValue;
// then add the control to the cell.
e.Row.Cells[2].Controls.Add(myLink);
}
if (e.Row.Cells[3].Text == "101")
{
HyperLink myLink = new HyperLink();
myLink.NavigateUrl = "~/Manali.aspx";
myLink.Text = HyperLinkValue;
// then add the control to the cell.
e.Row.Cells[2].Controls.Add(myLink);
}
}
}
現在,我希望用戶單擊行的“ HyperLink
列上的“ Title_of_package”以存儲在標簽中。 我努力了:
protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
{
Label11.Text = ((HyperLink)GridView1.SelectedRow.Cells[0].Controls[0]).Text;
Label11.Text = Session["destype"].ToString();
}
但它顯示錯誤。 我是初學者。
我建議將以下內容添加到GridView1_SelectedIndexChanged
GridViewRow row = GridView1.SelectedRow;
HyperLink hyperLink = ((HyperLink)row.FindControl["hyperlinkname"]);
Label1.Text = hyperLink.Text;
您快到那兒了,但是該會話的使用方式如下
Session["desType"] = ((HyperLink)GridView1.SelectedRow.Cells[0].Controls[0]).Text;
你會得到像
Label1.Text = Session["desType"].toString();
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