how to fill combo box combo box Item

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I have a combobox and it has a item collection. this combo box's dropdownstyle is (DropDownList)

i want to load one of item in a item collection list by pressing a button
how to do this..?

Posted 3-Dec-12 19:24pm

anushikaroshan

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Expert Coming 4-Dec-12 1:39am

What do you mean load an item? You want to add another item?

2 solutions

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Aarti Meswania · Answer 1 · 2012-12-03T19:53:00

Solution 1

visit link,
http://msdn.microsoft.com/en-us/library/19fc31ss.aspx[^]

Happy Coding!
:)

Posted 3-Dec-12 19:53pm

Aarti Meswania

azizulhoque.bd · Answer 2 · 2012-12-03T20:22:00

hi dear,

I don't understand. what you want ? I give some information. Please observe it.

private void FxComboBox()
        {
            SqlConnection objConn1 = new SqlConnection("Data Source= Sql Server Name ;Initial Catalog= Database Name ;user id=sa; password=123;"); // Write you sql server database name and necessary option.       
            string SQL = "Select * From TableName";
            SqlCommand cmd = new SqlCommand(SQL, objConn1);            
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            DataTable dt = new DataTable();
            da.Fill(dt);
            if (dt.Rows.Count > 0)
            {
                comboBox1.DataSource = dt;
                comboBox1.DisplayMember = "ColoumName" ;
                comboBox1.ValueMember = "ColoumName" ;
                comboBox1.DropDownStyle = ComboBoxStyle.DropDownList;
            }
        }