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Created: |
Updated: |
Platform: |
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| 144217 | Apr 25,2019 07:51 AM UTC | Apr 26,2019 08:40 AM UTC | ASP.NET Web Forms | 1 |
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Tags: DropDownList |
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<ej:DropDownList runat="server" ID="TradesDropDown" DataTextField="CustomerID" DataValueField="ShipCity" AutoPostBack="true" DataSourceID="SqlData" Width="200px" EnableIncrementalSearch="False" FilterType="Contains" SelectedIndex="0" OnValueSelect="TradesDropDown_ValueSelect">
</ej:DropDownList>
<asp:SqlDataSource ID="SqlData" runat="server" ConnectionString="<%$ ConnectionStrings:SQLConnectionString %>" SelectCommand="SELECT * FROM [Orders]">
<SelectParameters>
<asp:Parameter Name="ShipCity" Type="String" DefaultValue="Reims" />
</SelectParameters>
</asp:SqlDataSource>
<ej:Button runat="server" ID="btn" OnClick="btn_Click" Text="Check"></ej:Button> |
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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
SqlConnection myConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["SQLConnectionString"].ToString());
dt = new DataTable("Order");
SqlCommand cmd = new SqlCommand();
cmd.Connection = myConnection;
cmd.CommandText = "select * from Orders";
cmd.CommandType = CommandType.Text;
SqlDataAdapter da = new SqlDataAdapter();
da.SelectCommand = cmd;
if ((myConnection.State == ConnectionState.Closed))
{
myConnection.Open();
}
da.Fill(dt);
Session["SqlDataSource"] = dt;
}
}
protected void TradesDropDown_ValueSelect(object sender, Syncfusion.JavaScript.Web.DropdownListEventArgs e)
{
Session["Selected"] = e.Value;
}
protected void btn_Click(object Sender, Syncfusion.JavaScript.Web.ButtonEventArgs e)
{
var value = Session["Selected"];
} |
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