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How to set datasource for two comboboxes on the same form, from two columns of a tabl

P: 2
I have designed a Windows form application with two comboboxes. I want combobox1 to take its contents from a column named "Type" in table "BIn" and combobox2 to take its contents from a column named "PN" in table "BIn". I already solved the case of a single input.but this is double input.I can't seem to be able to successfully extend the single input solution.

Here's what I've tried:

public B()

SqlConnection con = new SqlConnection("Data Source=PV10\\LOCALSERVER;Initial Catalog=SmallSoftwareDB;Integrated Security=True;Pooling=False");
string sPn = "select PN from BIn";
string sTp = "select Type from BIn";
SqlCommand CsPn = new SqlCommand(sPn, con);
SqlCommand CsTp = new SqlCommand(sTp, con);

SqlDataReader mDr;
SqlDataReader CmDr;
mDr = CsPn.ExecuteReader();

while (mDr.Read())

using (SqlDataAdapter da = new SqlDataAdapter(CsTp))
DataTable dt = new DataTable();
comboBox1.DataSource = dt;
comboBox1.DisplayMember = "Type";
Sep 20 '16 #1
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