[英]How to get text value of a selected item in drop down?
i am trying to get text of a value being selected in drop down list but it doesn't display value but '-Select-'我正在尝试获取在下拉列表中选择的值的文本,但它不显示值而是“-Select-”
Code:代码:
if (Convert.ToBoolean(ViewState["Response"])) {
String InvoiceNo= Convert.ToString(ViewState["InvoiceNo"]);
String ConductorName = Convert.ToString(DropDownListConductors.SelectedItem.Text);
Response.Redirect("~/ManageTransport/ConductorSlip.aspx?InvoiceNo=" + InvoiceNo+"&ConductorName="+ConductorName);
}
}
DDL: DDL:
DropDownListConductors.DataSource = ManageTransport.ManageConductorDevices.GetConductors();
DropDownListConductors.DataTextField = "Name";
DropDownListConductors.DataValueField = "ConductorID";
DropDownListConductors.DataBind();
DropDownListConductors.Items.Insert(0, new ListItem("-Select-", "0"));
ConductorSlip.aspx导体滑移.aspx
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack) {
ConductorName = Request.QueryString["ConductorName"].ToString();
}
}
.aspx .aspx
<tr>
<td>Conductor Name</td>
<td><%=ConductorName %></td>
</tr>
Update you code :更新你的代码:
String ConductorName = Convert.ToString(DropDownListConductors.SelectedItem.Text);
to到
for selecting value用于选择值
String ConductorName = DropDownListConductors.SelectedValue;
for selecting text用于选择文本
String ConductorName = DropDownListConductors.SelectedItem.Text;
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I don't think you need to use Conver.ToString() because the Text property is already a String.我认为您不需要使用 Conver.ToString() 因为 Text 属性已经是一个字符串。
See the code below:-请参阅以下代码:-
string ConductorName = DropDownListConductors.SelectedItem.Text;
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