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read data from a column of table to a combobox

f.sarikhani asked:

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i want to set data source of one combo box to one column of table and this combo box is one of gridview column my code is :

DataTable p = new System.Data.DataTable();
            p = selectcolor();
            (dataGridView1.Columns[4] as DataGridViewComboBoxColumn).DataSource = p;
private DataTable selectcolor()
           DataTable k = new System.Data.DataTable();
               string str = "Data Source=C:\\Documents and Settings\\almas\\Desktop\\BazarKhodro\\khodro.sdf";
               Qconnection.ConnectionString = str;
               Qcommand.Connection = Qconnection;
               string commandText = "select color from foroosh";
               Qcommand.CommandText = commandText;
               Qcommand.CommandType = CommandType.Text;
               SqlCeDataAdapter a = new SqlCeDataAdapter();
               a.SelectCommand = Qcommand;
               return k;
           catch (Exception ex)
               throw new Exception(ex.Message);
               return k;

after runing i see the content of p but content of combobox is:

pls help me
Tags: C#


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