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Input string was not in a correct format.

Mostafa Metwally asked:

Open original thread
i have a ptoblem here
Input string was not in a correct format.
and i can't solve it

c# code :-

 public decimal totalsalary()
            decimal ms, h, b, m, k, t;
            ms = Convert.ToDecimal(txtmainsalary.Text);
            h = Convert.ToDecimal(txthwaf.Text);
            b = Convert.ToDecimal(txtbdlat.Text);
            m = Convert.ToDecimal(txtmok.Text);
            k = Convert.ToDecimal(txtkhasm.Text);
            t = ms + h + b + m - k;
            return t;

        public int totsa(decimal total) 
            com.Connection = con;
            com.CommandText = "totsal";
            com.CommandType = CommandType.StoredProcedure;
            com.Parameters.AddWithValue("@totalsalary", total);
            ESalary es = new ESalary();
            int r = com.ExecuteNonQuery();
            return r;

private void button1_Click(object sender, EventArgs e)
    empsearchclass esc = new empsearchclass();
    esc.addesalary((int)comboBox1.SelectedValue, Convert.ToDecimal(txtmainsalary.Text), Convert.ToDecimal(txthwaf.Text), Convert.ToDecimal(txtbdlat.Text), Convert.ToDecimal(txtmok.Text), Convert.ToDecimal(txtkhasm.Text));


the error here

Tags: C#, SQL-Server, ADO.NET


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