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please people i need your help here. I am learning how to develop a hospital diagnostic software. problem is how to match user input sentence with what i have in the database, talking about symptoms matching. plaese help me to achieve this. here is my code:

protected void Button1_Click(object sender, EventArgs e)
    {
        using (DataTable symptoms_dt = LookupUser(User_symptoms.Text))
        {
            if (dt.Rows.Count == 0)
            {

                MessageBox.Show("Error in processing");
                
                return;
            }
            else
            {
                string db_symptoms = Convert.ToString(symptoms_dt.Rows[0]["Symptoms"]);
                        //MY PROBLEM
                //below i want to match the user symptoms Text with dbs symptoms that i retrieved
                // to get the one that is, if not exactly; close to it,
                // for instance comparing "headache and dizziness" with "headache and tiredness", 
                // "stomach pain,headache, heartburn", 
                // you find out that the one that nearly match are the first two


                if (String.Compare(db_symptoms, User_symptoms.Text) == 0)
                {
                    //then i could output...
               }
                else
                {MessageBox.Show("No match for symptom");
                    return;

                }
            }
        }
    }

    }
     
    private static DataTable LookupUser(string User_symptoms.Text)
    {
        string connStr = ConfigurationManager.ConnectionStrings["SymptomsConnectionString1"].ConnectionString;
          //MY PROBLEM
         // the line below is problem. because i want select things that are like the content of textbox input
         // from dbs
        const string query = "Select Symptoms From Symptable  Where Symptoms LIKE '%User_symptoms.Text'";
        DataTable result = new DataTable();
        using (SqlConnection conn = new SqlConnection(connStr))
        {
            conn.Open();
            using (SqlCommand cmd = new SqlCommand(query, conn))
            {
                cmd.Parameters.Add("@Symptoms", SqlDbType.VarChar).Value = User_symptoms.Text;
                using (SqlDataReader dr = cmd.ExecuteReader())
                {
                    result.Load(dr);
                }
            }
        }
        return result;
    }
}
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6 Years
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Last Post by Pgmer
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Get the input from the user, If your using SQL server u can use fulltext index serach functionality. It will serch in table u mentioned for the words u pass and gives the result set.

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