นำข้อมูลใน gridview บันทึกลงฐานข้อมูลไม่ได้ครับ เกิด error String or binary data would be truncated. the statement has been terminated

SqlCommand com = new SqlCommand();
        com.CommandText = "INSERT INTO Process (Proc_Name,Proc_Objective,Proc_Dept,Proc_Type,Proc_IT_Type,Proc_IT_Order,Proc_Dept_Type,Proc_Dept_Order,Proc_Mandays,Proc_User,Proc_Timestamp,Action_Flag) VALUES (@Proc_Name,@Proc_Objective,@Proc_Dept,@Proc_Type,@Proc_IT_Type,@Proc_IT_Order,@Proc_Dept_Type,@Proc_Dept_Order,@Proc_Mandays,@Proc_User,@Proc_Timestamp,@Action_Flag)";
        com.Connection = conn;

        foreach (GridViewRow row in GridView1.Rows)
        {
            
            var name = row.FindControl("lblname") as Label;
            var obj = row.FindControl("lblobj") as Label;
            var dept = row.FindControl("lbldept") as Label;
            var type = row.FindControl("lbltype") as Label;
            var it_type = row.FindControl("it_type") as Label;
            var it_order = row.FindControl("lblit_order") as Label;
            var dept_type = row.FindControl("lbldept_type") as Label;
            var dept_order = row.FindControl("lbldept_order") as Label;
            var manday = row.FindControl("lblmanday") as Label;

            com.Parameters.Add("@Proc_Name", SqlDbType.VarChar).Value = name.ToString();
            com.Parameters.Add("@Proc_Objective", SqlDbType.VarChar).Value = obj.ToString();
            com.Parameters.Add("@Proc_Dept", SqlDbType.VarChar).Value = dept.ToString();
            com.Parameters.Add("@Proc_Type", SqlDbType.Char).Value = type.ToString();
            com.Parameters.Add("@Proc_IT_Type", SqlDbType.Char).Value = it_type.ToString();
            com.Parameters.Add("@Proc_IT_Order", SqlDbType.Int).Value = Int32.Parse(it_order.Text.Trim());
            com.Parameters.Add("@Proc_Dept_Type", SqlDbType.Char).Value = dept_type.ToString();
            com.Parameters.Add("@Proc_Dept_Order", SqlDbType.Int).Value = Int32.Parse(dept_order.Text.Trim());
            com.Parameters.Add("@Proc_Mandays", SqlDbType.Decimal).Value = decimal.Parse(manday.Text.Trim());
            com.Parameters.Add("@Proc_User", SqlDbType.VarChar).Value = Session["userAuthentication"].ToString();
            com.Parameters.Add("@Proc_Timestamp", SqlDbType.DateTime).Value = DateTime.Now.ToString("G");
            com.Parameters.Add("@Action_Flag", SqlDbType.Char).Value = "1";

            conn.Open();
            com.ExecuteNonQuery();
            conn.Close();
        }