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Mostafa Metwally asked:

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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) 
        {
            con.Open();
            com.Connection = con;
            com.CommandText = "totsal";
            com.CommandType = CommandType.StoredProcedure;
            com.Parameters.AddWithValue("@totalsalary", total);
            ESalary es = new ESalary();
 
            int r = com.ExecuteNonQuery();
            con.Close();
            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));
            totalsalary();
            esc.totsa(Convert.ToDecimal(txttotal.Text));
            
        }


the error here


 esc.totsa(Convert.ToDecimal(txttotal.Text));
Tags: C#, SQL-Server, ADO.NET

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