Databind a dropdownlist

Question

When I try to databing dropdownlist, got this: system.data.datarowview
what do I wrong?

 string strQuery = \"Select Item FROM         


        

Answer 1

You need to tell it what fields to use as value and text.

ddlList.DataSource = sqlTa;
ddlList.DataValueField = "ValueField";
ddlList.DataTextField = "TextField";
ddlList.DataBind();

And your select statement is missing a ". It should be:

"Select Item FROM Calendar Where UserD='Test'"

An Example being:

As ryan pointed out if you are pulling back one field then you can just do:

        DataTable dtTable = new DataTable();

        try
        {
            using (SqlConnection sqlConnection = new SqlConnection("Your connection"))
            {
                using (SqlCommand sqlCommand = new SqlCommand("Select Item FROM Calendar Where UserD='Test'", sqlConnection))
                {
                    sqlConnection.Open();

                    using (SqlDataReader sqlDataReader = sqlCommand.ExecuteReader())
                    {
                        dtTable.Load(sqlDataReader);
                        sqlDataReader.Close();
                    }
                }
            }
        }
        catch (Exception error)
        {
            throw error;
        }

        ddlList.DataSource = dtTable;
        ddlList.DataBind();

But if you have more then one field then you can do this:

        DataTable dtTable = new DataTable();

        try
        {
            using (SqlConnection sqlConnection = new SqlConnection("Your connection"))
            {
                using (SqlCommand sqlCommand = new SqlCommand("Select Item, id FROM Calendar Where UserD='Test'", sqlConnection))
                {
                    sqlConnection.Open();

                    using (SqlDataReader sqlDataReader = sqlCommand.ExecuteReader())
                    {
                        dtTable.Load(sqlDataReader);
                        sqlDataReader.Close();
                    }
                }
            }
        }
        catch (Exception error)
        {
            throw error;
        }

        ddlList.DataSource = dtTable;
        ddlList.DataValueField = "id";
        ddlList.DataTextField = "item";
        ddlList.DataBind();