[英]How to get text value of a selected item in drop down?
我正在嘗試獲取在下拉列表中選擇的值的文本,但它不顯示值而是“-Select-”
代碼:
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:
DropDownListConductors.DataSource = ManageTransport.ManageConductorDevices.GetConductors();
DropDownListConductors.DataTextField = "Name";
DropDownListConductors.DataValueField = "ConductorID";
DropDownListConductors.DataBind();
DropDownListConductors.Items.Insert(0, new ListItem("-Select-", "0"));
導體滑移.aspx
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack) {
ConductorName = Request.QueryString["ConductorName"].ToString();
}
}
.aspx
<tr>
<td>Conductor Name</td>
<td><%=ConductorName %></td>
</tr>
更新你的代碼:
String ConductorName = Convert.ToString(DropDownListConductors.SelectedItem.Text);
到
用於選擇值
String ConductorName = DropDownListConductors.SelectedValue;
用於選擇文本
String ConductorName = DropDownListConductors.SelectedItem.Text;
欲了解更多信息, 請單擊此處
我認為您不需要使用 Conver.ToString() 因為 Text 屬性已經是一個字符串。
請參閱以下代碼:-
string ConductorName = DropDownListConductors.SelectedItem.Text;
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