C# 从数据库读取数据 和 更新数据

private DataSet Method_GetList()

{

try

{

DataSet ds = new DataSet();

SqlConnection cnn = new SqlConnection(m_DB_Cnn);

cnn.Open();

string strSQL = "EXEC SP_XXX";

SqlDataAdapter da = new SqlDataAdapter(strSQL, cnn);

da.Fill(ds);

cnn.Close();

cnn.Dispose();

return ds;

}

catch { return null; }

}

private string Method_Updatestring p_ID)

{

try

{

SqlConnection cnn = new SqlConnection(m_DB_Cnn);

cnn.Open();

string strSQL = "EXEC SP_XXX'" + p_ID + "'";

SqlCommand cmd = new SqlCommand(strSQL, cnn);

cmd.ExecuteNonQuery();

cmd.Dispose();

cnn.Dispose();

return "SUCCESS";

}

catch (Exception ex)

{ return "ERROR: --" + ex.Message; }

}